Company Suffixes

To form a business or nonprofit, you must choose an entity name that meets state requirements. In addition to making sure the name is available, you may need to include specific corporate suffixes such as “Inc.” or “LLC.” This guide details suffix requirements for different entity types in all 50 states.

Alabama

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Alabama Certificate of Authority

Business Corporation:

"(a) The name of a corporation or foreign corporation registered to transact business in this state must contain: (1) the word “corporation” or “incorporated”;  or (2) an abbreviation of one of those words.

(b) Subsection (a) does not apply to a nonprofit corporation or foreign nonprofit corporation, or to banks, trust companies, savings and loan associations, or insurance companies."
AC §10A-1-5.04

Professional Corporation:

Must contain the words "Professional Corporation" or the abbreviation "P.C." or "PC" and shall otherwise conform to any rule promulgated by a licensing authority having jurisdiction of a professional service described in the certificate of formation of the corporation.
AC &sect10A-1-5.08

LLC:

The words "Limited Liability Company" or the abbreviation "L.L.C." or "LLC". These words or their abbreviation shall be the last words of the name. 
AC &sect10A-1-5.06

Nonprofit Corporation:

Not required. 
AC &sect10A-1-5.04

Alaska

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Alaska Certificate of Authority

Business Corporation:

A corporate name must contain the word "corporation", "company", "incorporated", or "limited", or an abbreviation of one of these words. 
AS §10.06.105

Professional Corporation:

"(a) The corporate name of a professional corporation shall contain the last name of one or more of its shareholders, unless the regulations of a particular regulating board or the ethics of a profession permit the use of a corporate name which does not include the surname of any present or former shareholder.  The corporate name shall be ended by the word “Corporation,” “Incorporated,” or “Limited,” or by the abbreviation “Corp.,” “Inc.,” or “Ltd.,” or by the words, “a professional corporation,” or by the abbreviation “P.C.”
AS &sect10.45.120

LLC:

The name of a limited liability company stated in the company's articles of organization must contain the words "limited liability company" or the abbreviation "L.L.C.," or "LLC". The word "limited" may be abbreviated as "Ltd.," and the word "company" may be abbreviated as "Co." 
AS §10.50.020

Nonprofit Corporation:

Not required. 
AS §10.20.021

Arizona

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Arizona Certificate of Authority

Business Corporation:

"1. Shall contain the word "association", "bank", "company", "corporation", "limited" or "incorporated" or an abbreviation of one of these words or words or abbreviations of like import in another language...
3. Notwithstanding paragraph 1 of this subsection, shall not include the words "bank", "deposit", "credit union", "trust" or "trust company" separately or in combination to indicate or convey the idea that the corporation is engaged in banking or trust business unless the corporation is to be and becomes actively and substantially engaged in the banking, credit union or trust business or the corporation is a holding company holding substantial interest in companies actively and substantially engaged in the banking or trust business.
4. Shall not contain the words "limited liability company" or "limited company" or the abbreviations "L.L.C.", "L.C.", "LLC" or "LC", in uppercase or lowercase letters."  
ARS §10-401

Professional Corporation:

"A. The name of a domestic professional corporation and of a foreign professional corporation authorized to transact business in this state, in addition to satisfying the requirements of sections 10-401 and 10-1506, shall: 1. Contain the words "professional corporation", "professional association", "service corporation", "limited" or "chartered" or the abbreviation "P.C.", "P.A.", "S.C.", "Ltd.", "Chtd.", "PC", "PA", "SC", "LTD" or "CHTD"."
ARS &sect10-2215

LLC:

"A. The name of a limited liability company as set forth in its articles of organization shall: 1. Contain the words "limited liability company" or "limited company" or the abbreviations "L.L.C.", "L.C.", "LLC" or "LC", in uppercase or lowercase letters.
2. Not contain the words "association", "corporation" or "incorporated" or an abbreviation of these words.
3. Not include the words "bank", "deposit", "credit union", "trust" or "trust company" separately or in combination to indicate or convey the idea that the limited liability company is engaged in banking, credit union or trust business unless the limited liability company is to be and becomes actively and substantially engaged in the banking, credit union or trust business or the limited liability company is a holding company holding substantial interest in companies actively and substantially engaged in the banking, credit union or trust business." 
ARS §29-602

Nonprofit Corporation:

Not required. 
ARS §10-3401

Arkansas

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Arkansas Certificate of Authority

Business Corporation:

"Corporation", "Company", or "Incorporated", or shall contain an abbreviation of one of those words; but the name may not end with the word "Company" nor the abbreviation "Co." if the final word or abbreviation is immediately preceded by "and" or any symbol for "and". 
AC §4-26-401

Professional Corporation:

Contain the name of one or more shareholders or the name of one or more deceased former shareholders and shall end with "Chartered", Limited", the abbreviation "Ltd.", the words "Professional Association", or the abbreviation "P.A.".
AR Code &sect4-29-207

LLC:

The name of each limited liability company as set forth in its articles of organization must contain the words "Limited Liability Company" or "Limited Company" or the abbreviations "L.L.C.," "L.C.," "LLC," or "LC." The word "Limited" may be abbreviated as "Ltd." and the word "Company" may be abbreviated as "Co." 
AC §4-32-103

Nonprofit Corporation:

Not required. 
AC §4-33-401

California

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California Certificate of Authority

Business Corporation:

  • General stock corporation: not required
  • Close corporations: "corporation", "incorporated" or "limited" or an abbreviation of one of such words
    CCC §202.a

Professional Corporation:

Must comply with the name style requirements of the regulatory agency which has jurisdiction over the profession.
CCC &sect13409.a

LLC:

The name of a limited liability company shall contain the words limited liability company, or the abbreviation L.L.C. or LLC. Limited may be abbreviated as Ltd., and company may be abbreviated as Co.
CCC &sect17701.08

Nonprofit Corporation:

Not required. 
CCC §5122.a

Colorado

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Colorado Certificate of Authority

Business Corporation:

"(a) The entity name of a corporation shall contain the term or abbreviation "corporation", "incorporated", "company", "limited", "corp.", "inc.", "co.", or "ltd." 
CRS § 7-90-601

Professional Corporation:

"(5) For an entity that is specifically permitted by C.R.C.P. 265 or title 12, C.R.S., to use the words "professional company", "professional corporation", or abbreviations thereof in its name: (a) "P.c." or "pc" shall be a permitted abbreviation for such an entity that is a corporation;"
CRS § 7-90-601

LLC:

"(c) The entity name of a limited liability company shall contain the term or abbreviation "limited liability company", "ltd. liability company", "limited liability co.", "ltd. liability co.", "limited", "l.l.c.", "llc", or "ltd."." 
CRS § 7-90-601

Nonprofit Corporation:

"(b) The entity name of a nonprofit corporation may, but need not, contain the term or abbreviation "corporation", "incorporated", "company", "limited", "corp.", "inc.", "co.", or "ltd."." 
CRS § 7-90-601

Connecticut

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Connecticut Certificate of Authority

Business Corporation:

Shall contain the word “corporation”, “incorporated”, “company”, “Societa per Azioni” or “limited”, or the abbreviation “corp.”, “inc.”, “co.”, “S.p.A.” or “ltd.”, or words or abbreviations of like import in another language. 
GSC §33-655

Professional Corporation:

Shall contain the words "professional corporation" or the abbreviation "P.C." and shall also contain either a word or words descriptive of the professional service to be rendered by the corporation or shall contain the last name of one or more of the present, prospective, or former shareholders or of persons who were associated with a predecessor.
GSC &sect33-182h.

LLC:

"(a) The name of a limited liability company shall contain the words “limited liability company” or the abbreviation “L.L.C.” or “LLC”. “Limited” may be abbreviated as “Ltd.”, and “company” may be abbreviated as “Co.”."
GSC §34-102

Nonprofit Corporation:

Shall contain the word “corporation”, “incorporated” or “company”, or the abbreviation “corp.”, “inc.” or “co.”, or words or abbreviations of like import in another language.
GSC §33-1045.

Delaware

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Delaware Certificate of Authority

Business Corporation:

Shall contain 1 of the words "association," "company," "corporation," "club," "foundation," "fund," "incorporated," "institute," "society," "union," "syndicate," or "limited," (or abbreviations thereof, with or without punctuation), or words (or abbreviations thereof, with or without punctuation) of like import of foreign countries or jurisdictions (provided they are written in roman characters or letters). 
DC §8-102-a-1

Professional Corporation:

Shall contain either a word or words descriptive of the professional service to be rendered by the professional corporation, or any of the qualified related professional services to be rendered by the professional corporation, or shall contain the last names of 1 or more of its present, prospective or former shareholders or of persons who were associated with a predecessor person, partnership, professional corporation or other organization or whose name or names appeared in the name of such predecessor organization. The corporate name shall also contain the words "chartered" or "professional association" or abbreviation "P.A." The use of the word "company," "corporation" or "incorporated" or any other word, words, abbreviations, affix or prefix indicating that it is a corporation, in the corporate name of a professional corporation is specifically prohibited.
DC &sect8-617.

LLC:

Shall contain the words "Limited Liability Company" or the abbreviation "L.L.C." or the designation "LLC". 
DC &sect18-102

Nonprofit Corporation:

Shall contain 1 of the words "association," "company," "corporation," "club," "foundation," "fund," "incorporated," "institute," "society," "union," "syndicate," or "limited," (or abbreviations thereof, with or without punctuation), or words (or abbreviations thereof, with or without punctuation) of like import of foreign countries or jurisdictions (provided they are written in roman characters or letters). 
DC §8-102-a-1

District of Columbia

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District of Columbia Certificate of Authority

Business Corporation:

The name of a business corporation shall contain the word "corporation", "incorporated", "company", or "limited", or the abbreviation "Corp.", "Inc.", "Co.", or "Ltd.", or words or abbreviations of similar import in another language. 
D.C. Code §29-103.02(a)

Professional Corporation:

The name of a professional corporation shall contain the phrase "professional corporation" or the abbreviation "Chtd", and may not contain the word "company", "incorporated", "corporation", or "limited", or an abbreviation of those words.
D.C. Code &sect29-103.02(c)

LLC:

The name of a limited liability company other than a professional limited liability company shall contain the words "limited liability company" or "limited company" or the abbreviation "L.L.C.", "LLC", "L.C.", or "LC". The name of a professional limited liability company shall contain the words "professional limited liability company" or the abbreviation "P.L.L.C." or "PLLC". "Limited" may be abbreviated as "Ltd.", and "company" may be abbreviated as "Co.". 
D.C. Code §29-103.02(f)

Nonprofit Corporation:

The name of a nonprofit corporation need not contain any particular word or abbreviation. 
D.C. Code §29-103.02(b)

Florida

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Florida Certificate of Authority

Business Corporation:

"(1) A corporate name: (a) Must contain the word “corporation,” “company,” or “incorporated” or the abbreviation “Corp.,” or “Inc.,” or “Co.,” or the designation “Corp,” or “Inc,” or “Co,” as will clearly indicate that it is a corporation instead of a natural person, partnership, or other eligible entity."
FS &sect607.0401

Professional Corporation:

"(1) The name of a corporation or limited liability company organized under this act may contain the last names of some or all of the individual shareholders or individual members and may contain the last names of retired or deceased former individual shareholders or individual members of the corporation, limited liability company, a predecessor corporation or limited liability company, or partnership. (2) The name shall also contain: (a) The word “chartered”; or (b)1. In the case of a professional corporation, the words “professional association,” or the abbreviation “P.A.” or the designation “PA”;"
FS &sect621.12

LLC:

"(1) The name of a limited liability company: (a) Must contain the words “limited liability company” or the abbreviation “L.L.C.” or “LLC” as will clearly indicate that it is a limited liability company instead of a natural person, partnership, corporation, or other business entity."
FS &sect605.0112

Nonprofit Corporation:

"(1) A corporate name: (a) Must contain the word “corporation” or “incorporated” or the abbreviation “Corp.” or “Inc.” or words or abbreviations of like import in language as will clearly indicate that it is a corporation instead of a natural person, unincorporated association, or partnership. The name of the corporation may not contain the word “company” or its abbreviation “Co.” (b) May contain the word “cooperative” or “co-op” only if the resulting name is distinguishable from the name of any corporation, agricultural cooperative marketing association, or nonprofit cooperative association existing or doing business in this state under part I of chapter 607, chapter 618, or chapter 619."
FS &sect617.0401

Georgia

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Georgia Certificate of Authority

Business Corporation:

Must contain the word "corporation," "incorporated," "company," or "limited," or the abbreviation "corp.," "inc.," "co.," or "ltd.," or words or abbreviations of like import in another language. 
O.C.G.A. §14-2-401

Professional Corporation:

The name of a professional corporation shall satisfy the requirements of Code Section 14-2-401; provided, however, that, in lieu of the use of a word or abbreviation as required by paragraph (1) of subsection (a) of that Code section, the word "associated," the phrase "professional association," the phrase "professional corporation," or an abbreviation of any of them may be used.
O.C.G.A. &sect14-7-6

LLC:

Must contain the words "limited liability company" or "limited company" (it being permitted to abbreviate the word "limited" as "ltd." and the word "company" as "co.") or the abbreviation "L.L.C.", "LLC", "L.C." or "LC". 
O.C.G.A. §14-11-207

Nonprofit Corporation:

Must contain the word "corporation," "incorporated," "company," or "limited," or the abbreviation "Corp.," "Inc.," "Co.," or "Ltd.," or words or abbreviations of like import in a language other than English. 
O.C.G.A. §14-3-401

Hawaii

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Hawaii Certificate of Authority

Business Corporation:

Must contain the word "corporation", "incorporated", or "limited", or the abbreviation "corp.", "inc.", or "ltd." 
HRS §414-51

Professional Corporation:

May be any name permitted by law expressly applicable to the profession in which the corporation is engaged or by a rule of the licensing authority of the profession.
HRS &sect415A-8

LLC:

The name of a limited liability company must contain "limited liability company" or the abbreviation "L.L.C." or "LLC". "Limited" may be abbreviated as "Ltd.", and "company" may be abbreviated as "Co.". The letters in the name of a limited liability company must be letters of the English alphabet. 
HRS §428-105

Nonprofit Corporation:

Not required. 
HRS §414D-61

Idaho

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Idaho Certificate of Authority

Business Corporation:

The name of a business corporation must contain the word "corporation," "incorporated," "company," or "limited," or the abbreviation "Corp.," "Inc.," "Co.," or "Ltd.," or words or abbreviations of similar import in another language; provided however, that if the word "company" or its abbreviation is used it shall not be immediately preceded by the word "and" or by an abbreviation of or symbol representing the word "and."
Idaho Statutes § 30-21-302

Professional Corporation:

May alternatively contain the word "chartered," "professional association," or "professional corporation," or the abbreviation "P.A.," "P.C.," or "CHTD" or words or abbreviations of similar import in another language.
Idaho Statutes &sect 30-21-302

LLC:

The name of a limited liability company must contain the phrase "limited liability company" or "limited company" or the abbreviation "L.L.C.," "LLC," "L.C.," or "LC." "Limited" may be abbreviated as "Ltd.," and "company" may be abbreviated as "Co." If the limited liability company is a professional entity, the name may include the word "professional" before the word "limited" or the letter "P" at the beginning of any of the permitted abbreviations.
Idaho Statutes § 30-21-302

Nonprofit Corporation:

 The name of a business corporation must contain the word "corporation," "incorporated," "company," or "limited," or the abbreviation "Corp.," "Inc.," "Co.," or "Ltd.," or words or abbreviations of similar import in another language; provided however, that if the word "company" or its abbreviation is used it shall not be immediately preceded by the word "and" or by an abbreviation of or symbol representing the word "and." If the business corporation is a professional entity, the name may alternatively contain the word "chartered," "professional association," or "professional corporation," or the abbreviation "P.A.," "P.C.," or "CHTD" or words or abbreviations of similar import in another language. 
Idaho Statutes § 30-30-202 and Idaho Statutes § 30-21-302

Illinois

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Illinois Certificate of Authority

Business Corporation:

Shall contain, separate and apart from any other word or abbreviation in such name, the word "corporation", "company", "incorporated", or "limited", or an abbreviation of one of such words. 
805 ILCS §5/4.05

Professional Corporation:

A professional corporation shall adopt a name consisting of the full or last name of one or more of its shareholders; except that if not otherwise prohibited by law, rules of a regulating authority or the canons of ethics of the profession concerned, a professional corporation may adopt a fictitious name. The corporate name shall end with the word "chartered" or "Limited" or the abbreviation "Ltd.", or with the words "Professional Corporation" or the abbreviation "Prof. Corp." or the initials "P. C.".
805 ILCS &sect32-415-9

LLC:

Shall contain the terms "limited liability company", "L.L.C.", or "LLC", or, if organized as a low-profit limited liability company under Section 1-26 of this Act, shall contain the term "L3C". Shall consist of letters of the English alphabet, Arabic or Roman numerals, or symbols capable of being readily reproduced by the Office of the Secretary of State; shall be the name under which the limited liability company transacts business in this State unless the limited liability company also elects to adopt an assumed name or names as provided in this Act; shall contain the word "trust", if it is a limited liability company organized for the purpose of accepting and executing trusts. 
805 ILCS §180/1-10

Nonprofit Corporation:

May contain, separate and apart from any other word or abbreviation in such name, the word "corporation," "company," "incorporated," or "limited," or an abbreviation of one of such words. Must end with the letters "NFP" if the corporate name contains any word or phrase which indicates or implies that the corporation is organized for any purpose other than a purpose for which corporations may be organized under this Act or a purpose other than a purpose set forth in the corporation's articles of incorporation. 
805 ILCS §105/104.05

Indiana

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Indiana Certificate of Authority

Business Corporation:

(a) The name of a business corporation or nonprofit corporation must contain the word "corporation", "incorporated", "company", or "limited", or the abbreviation "Corp.", "Inc.", "Co.", or "Ltd.", or words or abbreviations of similar import in another language. 
IC §23-0.5-3-2

Professional Corporation:

The name of a business corporation that is a professional corporation must contain the words "Professional Service Corporation" or "Professional Corporation" or abbreviations of these words. In addition, only a professional corporation in which all shareholders are physicians licensed under IC 25-22.5 may use the term "medical" in its corporate name. A licensing authority may by rule adopt further requirements than those specified in this subsection as to the names of professional corporations organized under this article.
IC §23-0.5-3-2

LLC:

(d) The name of a limited liability company must contain the phrase "limited liability company" or the abbreviation "L.L.C." or "LLC". The name of a master limited liability company must comply with IC 23-18.1-6-7(b). The name of a series with limited liability must comply with IC 23-18.1-6-7(c) and IC 23-18.1-6-7(d). 
IC §23-0.5-3-2

Nonprofit Corporation:

(a) The name of a business corporation or nonprofit corporation must contain the word "corporation", "incorporated", "company", or "limited", or the abbreviation "Corp.", "Inc.", "Co.", or "Ltd.", or words or abbreviations of similar import in another language. 
IC §23-0.5-3-2

Iowa

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Iowa Certificate of Authority

Business Corporation:

Must contain the word "corporation", "incorporated", "company", or "limited", or the abbreviation "corp.", "inc.", "co.", or "ltd.", or words or abbreviations of like import in another language. 
Iowa Code §490.401

Professional Corporation:

Shall contain the words "professional corporation" or the abbreviation "P.C.", and except for the addition of such words or abbreviation, shall be a name which could lawfully be used by a licensed individual or by a partnership of licensed individuals in the practice in this state of a profession which the corporation is authorized to practice.
Iowa Code &sect496C.5

LLC:

The name of a limited liability company must contain the words “limited liability company” or “limited company” or the abbreviation “L.L.C.”, “LLC”, “L.C.”, or “LC”. “Limited” may be abbreviated as “Ltd.”, and “company” may be abbreviated as “Co.”. 
Iowa Code §489.108

Nonprofit Corporation:

Not required. 
Iowa Code §504.401

Kansas

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Kansas Certificate of Authority

Business Corporation:

The name of the corporation which, except for banks, shall contain one of the words "association," "church," "college," "company," "corporation," "club," "foundation," "fund," "incorporated," "institute," "society," "union," "university," "syndicate" or "limited," or one of the abbreviations "co.," "corp.," "inc.," "ltd.," or words or abbreviations of like import in other languages if they are written in Roman characters or letters. 
K.S.A. &sect17-7919

Professional Corporation:

May include any name set forth in K.S.A. 17-6002, but in all cases the corporate name shall end with the word "chartered" or "professional association" or the abbreviation "P.A."
K.S.A. &sect17-2711

LLC:

Shall contain the words "limited liability company" or "limited company", or the abbreviation "LLC," "LC" or the designation "LLC" or "LC". 
K.S.A. &sect17-7920

Nonprofit Corporation:

The name of the corporation which, except for banks, shall contain one of the words "association," "church," "college," "company," "corporation," "club," "foundation," "fund," "incorporated," "institute," "society," "union," "university," "syndicate" or "limited," or one of the abbreviations "co.," "corp.," "inc.," "ltd.," or words or abbreviations of like import in other languages if they are written in Roman characters or letters. 
K.S.A. &sect17-7919

Kentucky

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Kentucky Certificate of Authority

Business Corporation:

End with the word "corporation," "company," or "limited" or the abbreviation "Corp.," "Inc.," "Co.," or "Ltd." or words or abbreviations of like import in another language, provided, however, that if a nonprofit corporation's name includes the word "company" or the abbreviation "Co.," it may not be immediately preceded by the word "and" or the abbreviation "&". 
KRS 14A.3-010(2)

Professional Corporation:

Shall end with the words "professional service corporation" or the abbreviation "P.S.C."
KRS &sect14A.3-010(2)

LLC:

The real name of a limited liability company shall end with the phrase "limited liability company" or "limited company" or the abbreviation "LLC" or "LC," provided, however, if the company is a professional limited liability company the name shall end with the phrase "professional limited liability company" or "professional limited company" or the abbreviation "PLLC" or "PLC." In the name of either a limited liability company or a professional limited liability company, the word "limited" may be abbreviated as "Ltd." and the word "Company" may be abbreviated as "Co." 
KRS 14A.3-010(3)

Nonprofit Corporation:

End with the word "corporation," "company," or "limited" or the abbreviation "Corp.," "Inc.," "Co.," or "Ltd." or words or abbreviations of like import in another language, provided, however, that if a nonprofit corporation's name includes the word "company" or the abbreviation "Co.," it may not be immediately preceded by the word "and" or the abbreviation "&"; or if a professional service corporation, shall end with the words "professional service corporation" or the abbreviation "P.S.C." 
KRS 14A.3-010(2)

Louisiana

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Louisiana Certificate of Authority

Business Corporation:

Must contain the word "corporation", "incorporated", "company", or "limited," or the abbreviation, with or without punctuation, "corp.", "inc.", "co.", or "ltd.". A corporate name may include words in any language but must be written in English letters or characters. 
Louisiana RS &sect1-401

Professional Corporation:

Louisiana has different name requirements for different industries.

LLC:

Shall contain the words "limited liability company", the abbreviation "L.L.C.", or the abbreviation "L.C.". For low-profit limited liability companies, shall contain the words "low-profit limited liability company", the abbreviation "L3C", or the abbreviation "l3c". 
Louisiana RS &sect12:1306

Nonprofit Corporation:

The corporate name may be in any language, but expressed in English letters or characters. 
Louisiana RS &sect204

Maine

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Maine Certificate of Authority

Business Corporation:

Not required.  
13-C MRSA §4-401.

Professional Corporation:

The name of a professional corporation must contain the words "chartered," "professional corporation," "professional association" or "service corporation" or the abbreviation "P.C.," "P.A." or "S.C."
13 MRSA &sect22A-736

LLC:

Must contain the words "limited liability company" or "limited company" or the abbreviation "L.L.C.," "LLC," "L.C." or "LC" or, in the case of a low-profit limited liability company, "L3C" or "13c" unless the limited liability company is filing an assumed name under section 1510 or a registration of a name of a foreign limited liability company under section 1511. The word "limited" may be abbreviated as "Ltd.," and "company" may be abbreviated as "Co.".
31 MRSA &sect1508

Nonprofit Corporation:

Not required. 
13-B MRSA §3-301-A.

Maryland

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Maryland Certificate of Authority

Business Corporation:

The name of a corporation must include one of the following words or an abbreviation of one of the following words: (1) "Company", if it is not preceded by the word "and" or a symbol for the word "and"; (2) "Corporation"; (3) "Incorporated"; or (4) "Limited". 
Maryland Code §1-502(a)

Professional Corporation:

The corporate name of a professional corporation must include: (i) The word "chartered"; (ii) The abbreviation "chtd."; (iii) The words "professional association"; (iv) The abbreviation "P.A."; (v) The words "professional corporation"; or (vi) The abbreviation "P.C.".
Maryland Code &sect1-502(f)

LLC:

Limited liability companies.- The name of a limited liability company must include: (1) The words "limited liability company"; (2) "L.L.C."; (3) "LLC"; (4) "L.C."; or (5) "LC". 
Maryland Code §1-502(b)

Nonprofit Corporation:

The name of a corporation must include one of the following words or an abbreviation of one of the following words: (1) "Company", if it is not preceded by the word "and" or a symbol for the word "and"; (2) "Corporation"; (3) "Incorporated"; or (4) "Limited". 
Maryland Code §1-502(a)

Massachusetts

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Massachusetts Certificate of Authority

Business Corporation:

Shall contain the word “corporation, “incorporated,” “company,” or “limited” or the abbreviation “corp.,” “inc., or ltd.,” or words or abbreviations of like import in another language. 
M.G.L. c156D §4.01

Professional Corporation:

Shall end with the word ''Professional Corporation'', ''Corporation'' or ''Incorporated'' or the abbreviation ''P.C.'', ''Corp.'' or ''Inc.'' or any other word or words which in the judgment of the state secretary indicates that the professional corporation is incorporated.
M.G.L. &sect156A.8

LLC:

Shall contain the words ''limited liability company'', ''limited company'', or the abbreviation ''L.L.C.'', ''L.C.'', ''LLC'' or ''LC''. 
M.G.L. &sect156C.3

Nonprofit Corporation:

The name of the organization must indicate that it is a corporation. Churches and other religious societies are exempt from this requirement.
MA Gen. L Chapter 155 § 9

Michigan

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Michigan Certificate of Authority

Business Corporation:

Except as provided in chapter 2A for a professional corporation, the corporate name of a domestic corporation shall contain the word "corporation", "company", "incorporated", or "limited" or shall contain 1 of the following abbreviations: corp., co., inc., or ltd., with or without periods. 
284 MCL §450.1211

Professional Corporation:

Shall contain the words "professional corporation" or the abbreviation "P.C." with or without periods or other punctuation.
284 MCL &sect450.1283

LLC:

The name of a domestic limited liability company shall contain the words "limited liability company", or the abbreviation "L.L.C." or "L.C.", with or without periods or other punctuation. The name of a low-profit limited liability company shall contain the words "low-profit limited liability company", or the abbreviation "L.3.C." or "l.3.c.", with or without periods or other punctuation. 
23 MCL §450.4204

Nonprofit Corporation:

Not required. 
162 MCL §450.2212

Minnesota

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Minnesota Certificate of Authority

Business Corporation:

Use "corporation," "incorporated," or "limited," or shall contain an abbreviation of one or more of these words, or the word "company" or the abbreviation "Co." if that word or abbreviation is not immediately preceded by the word "and" or the character "&". 
§ 302A.115 Minnesota Statutes

Professional Corporation:

Must end with any one of the following phrases, words, or abbreviations: "Professional Corporation"; "Professional Service Corporation"; "Service Corporation"; "Professional Association"; "Chartered";"Limited"; "P.C."; "P.S.C."; "S.C."; "P.A."; "Ltd.".
&sect319B.05 Minnesota Statutes

LLC:

The limited liability company name must: (1) be in the English language or in any other language expressed in English letters or characters; (2) contain the words "limited liability company," or must contain the abbreviation "LLC"
§ 322C.0108 Minnesota Statutes

Nonprofit Corporation:

Optional. A corporate name need not contain the word "corporation," "incorporated," "company," or "limited," or an abbreviation of one of these words. 
§ 317A.115 Minnesota Statutes

Mississippi

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Mississippi Certificate of Authority

Business Corporation:

Must contain the word "corporation," "incorporated," "company" or "limited," or the abbreviation "corp.," "inc.," "co." or "ltd." or words or abbreviations of like import in another language. 
Mississippi Code §79-4-401

Professional Corporation:

Must contain the words "professional corporation" or "professional association" or the abbreviations "P.C.," "PC," "P.A." or "PA".
Mississippi Code &sect79-10-21

LLC:

Must contain the words "limited liability company" or the abbreviation "L.L.C." or "LLC". 
Mississippi Code &sect79-29-109

Nonprofit Corporation:

Not required. 
Mississippi Code §79-11-157

Missouri

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Missouri Certificate of Authority

Business Corporation:

Shall contain the word "corporation", "company", "incorporated", or "limited", or shall end with an abbreviation of one of said words. 
Missouri Revised Statutes §351.110

Professional Corporation:

Contain the words "Professional Corporation" or the abbreviation "P.C.".
Missouri Revised Statutes &sect356.071

LLC:

Shall contain the words "limited company" or "limited liability company" or the abbreviation "LC", "LLC", "L.C." or "L.L.C." 
Missouri Revised Statutes §347.020

Nonprofit Corporation:

Not required. 
Missouri Revised Statues §355.146

Montana

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Montana Certificate of Authority

Business Corporation:

Must contain the word "corporation", "incorporated", "company", or "limited"; the abbreviation "corp.", "inc.", "co.", or "ltd."; or words or abbreviations of similar meaning in another language. 
Montana Code Annotated § 35-14-401

Professional Corporation:

Must contain the words "professional corporation" or the abbreviation "P.C." and may not contain any other words to indicate the type of business that it is other than "professional corporation" or "P.C." unless the name of a foreign corporation contains the words "professional services" or "P.S.".
Montana Code Annotated § 35-4-206

LLC:

The name of each limited liability company as set forth in its articles of organization must contain the words "limited liability company" or "limited company" or the abbreviations "l.l.c.", "l.c.", "llc", or "lc". The word "limited" may be abbreviated as "ltd.", and the word "company" may be abbreviated as "co.". 
Montana Code Annotated § 35-8-103

Nonprofit Corporation:

Not required. 
Montana Code Annotated § 35-2-305

Nebraska

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Nebraska Certificate of Authority

Business Corporation:

Shall contain the word corporation, incorporated, company, or limited, or the abbreviation corp., inc., co., or ltd., or words or abbreviations of like import in another language, except that a corporation organized to conduct a banking business under the Nebraska Banking Act may use a name which includes the word bank without using any such words or abbreviations. 
State of Nebraska Statutes &sect21-230

Professional Corporation:

Shall contain the word professional corporation, or P.C.
State of Nebraska Statutes &sect21-2206

LLC:

The name of a limited liability company must contain the words limited liability company or limited company or the abbreviation L.L.C., LLC, L.C., or LC. Limited may be abbreviated as Ltd., and company may be abbreviated as Co. 
State of Nebraska Statutes §21-108

Nonprofit Corporation:

Not required. 
State of Nebraska Statutes §21-1931

Nevada

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Nevada Certificate of Authority

Business Corporation:

A name appearing to be that of a natural person and containing a given name or initials must not be used as a corporate name except with an additional word or words such as “Incorporated,” “Limited,” “Inc.,” “Ltd.,” “Company,” “Co.,” “Corporation,” “Corp.,” or other word which identifies it as not being a natural person. 
NRS §78.035

Professional Corporation:

Must contain the words "Professional Corporation" or the abbreviation "Prof. Corp.", "PC", or the word "Chartered" or the abbreviation "Chtd.", or "Limited" or the abbreviation "Ltd.". The corporate name must contain the last name of one or more of its current or former stockholders.
NRS &sect89.040

LLC:

The name of a limited-liability company formed under the provisions of this chapter must contain the words “Limited-Liability Company,” “Limited Liability Company,” “Limited Company,” or “Limited” or the abbreviations “Ltd.,” “L.L.C.,” “L.C.,” “LLC” or “LC.” The word “Company” may be abbreviated as “Co.” 
NRS §86.171

Nonprofit Corporation:

A name appearing to be that of a natural person and containing a given name or initials must not be used as a corporate name except with an additional word or words such as “Incorporated,” “Inc.,” “Limited,” “Ltd.,” “Company,” “Co.,” “Corporation,” “Corp.,” or other word which identifies it as not being a natural person. 
NRS §82.086

New Hampshire

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New Hampshire Certificate of Authority

Business Corporation:

Contain the word “corporation,” ” incorporated,” or “limited” or the abbreviation “corp.” “inc.”, or ” ltd.”, or words or abbreviations of like import in another language. 
293-A:4.01 New Hampshire RSA

Professional Corporation:

Shall end with one of the following words or abbreviations: "professional corporation", "professional association", "Prof. Corp.", Prof Ass'n", "P.C", or "P.A" or similar abbreviations of these words.
294-A:7 New Hampshire RSA

LLC:

The name of each limited liability company as set forth in its certificate of formation: (a) Shall contain the words “limited liability company” or the abbreviation “L.L.C.”or similar abbreviation. 
304-C:32 New Hampshire RSA

Nonprofit Corporation:

Not required. 
292:3 New Hampshire RSA

New Jersey

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New Jersey Certificate of Authority

Business Corporation:

Shall contain the word "corporation," "company," "incorporated," or shall contain an abbreviation of one of those words, or shall include the abbreviation Ltd. or shall contain words or abbreviations of like import in other languages. A foreign corporation which does not have those words or an abbreviation thereof in its name shall add at the end of its name one of those words or an abbreviation thereof for use in this State. 
New Jersey Statutes 14A:2-2

Professional Corporation:

Shall contain the full or last names of one or more of the shareholders or a name descriptive of the type of professional service in which the corporation will be engaged and shall also contain the words "chartered", "professional association", or "a professional corporation", or the abbreviation "P.A.", "P.C.", "PA", or "PC".
New Jersey Statutes &sect14A:17-14

LLC:

The name of a limited liability company shall contain the words "limited liability company" or the abbreviation "L.L.C." or "LLC". "Limited" may be abbreviated as "Ltd.", and "company" may be abbreviated as "Co.". 
New Jersey Statutes 42:2C-8

Nonprofit Corporation:

Shall contain one of the following: "a New Jersey nonprofit corporation," "incorporated," "corporation," "inc.," or "corp." unless it is a corporation which could organize pursuant to the provisions of Title 16 of the Revised Statutes. 
New Jersey Statues 15A2:2

New Mexico

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New Mexico Certificate of Authority

Business Corporation:

The corporate name shall: contain the separate word "corporation," "company," "incorporated" or "limited" or shall contain a separate abbreviation of one of these words;
 NMSA §53-11-7

Professional Corporation:

Shall contain the words "limited", "chartered", "professional association", or "professional corporation" or shall contain an abbreviation of those words.
NMSA &sect53-6-6

LLC:

The name of a limited liability company shall be stated in its articles of organization and shall contain the words "limited liability company" or "limited company" or the abbreviation "L.L.C.", "LLC", "L.C." or "LC". The word "limited" may be abbreviated as "ltd." and the word "company" may be abbreviated as "co.". 
NMSA §53-19-3

Nonprofit Corporation:

Not required. 
NMSA §53-8-7

New York

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New York Certificate of Authority

Business Corporation:

Shall contain the word "corporation", "incorporated" or "limited", or an abbreviation of one of such words; or, in the case of a foreign corporation, it shall, for use in this state, add at the end of its name one of such words or an abbreviation thereof. 
NY BSC §301

Professional Corporation:

Shall end with the words "Professional Corporation" or the abbreviation "P.C." The name of a design professional service corporation shall end with the words "design professional corporation" or the abbreviation "D.P.C.".
NY BSC &sect1512

LLC:

Shall contain without abbreviation the words "Limited Liability Company" or the abbreviation "L.L.C." or "LLC". 
NY LLC §204

Nonprofit Corporation:

"Shall, unless the corporation is formed for charitable or religious purposes, or for purposes for which the approval of the commissioner of social services or the public health and health planning council is required, or is a bar association, contain the word 'corporation', 'incorporated', or 'limited' or an abbreviation of one of such words"
NY NPC § 301

North Carolina

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North Carolina Certificate of Authority

Business Corporation:

The name of a corporation must contain the word "corporation", "incorporated", "company", or "limited", or the abbreviation "corp.", "inc.", "co.", or "ltd.". 
NC General Statutes § 55D-20(a)

Professional Corporation:

May use the words "Professional Association, P.A.", "Professional Corporation", or "P.C." in lieu of corporate designations specified in Chapter 55D.
NC General Statutes &sect 55B-5

LLC:

The name of a limited liability company must contain the words "limited liability company" or the abbreviation "L.L.C." or "LLC", or the combination "ltd. liability co.", "limited liability co.", or "ltd. liability company". 
NC General Statutes &sect 55D-20(a)

Nonprofit Corporation:

The name of a corporation must contain the word "corporation", "incorporated", "company", or "limited", or the abbreviation "corp.", "inc.", "co.", or "ltd.". 
NC General Statutes § 55D-20(a)

North Dakota

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North Dakota Certificate of Authority

Business Corporation:

Must contain the word "company", "corporation", "incorporated", "limited", or an abbreviation of one or more of these words; Must be expressed in letters or characters used in the English language as those letters or characters appear in the American standard code for information interchange (ASCII) table. 
N.D.C.C. 10-19.1-13

Professional Corporation:

Must contain the word "chartered", the word "limited" or the abbreviation "Ltd.", the words "professional corporation" or the abbreviation "P.C." or "PC", or the words "professional association" or the abbreviation "P.A." or "PA".
N.D.C.C. 10-31-05

LLC:

Must contain the words "limited liability company", or must contain the abbreviation "L.L.C." or the abbreviation "LLC"; Must be expressed in letters or characters used in the English language as those letters or characters appear in the American standard code for information interchange (ASCII) table. 
N.D.C.C. 10-32.1-11

Nonprofit Corporation:

Need not contain the word "company", "corporation", "incorporated", "limited", or an abbreviation of one or more of these words; Must be expressed in letters or characters used in the English language as those letters or characters appear in the American standard code for information interchange (ASCII) table. 
N.D.C.C. 10-33-10

Ohio

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Ohio Certificate of Authority

Business Corporation:

It shall end with or include the word or abbreviation "company," "co.," "corporation," "corp.," "incorporated," or "inc." 
Ohio Revised Code §1701.05

Professional Corporation:

It shall end with or include the word or abbreviation "company," "co.," "corporation," "corp.," "incorporated," or "inc."
Ohio Revised Code &sect1701.05

LLC:

The name of a limited liability company shall include the words, "limited liability company," without abbreviation or shall include one of the following abbreviations: "LLC," "L.L.C.," "limited," "ltd.," or "ltd". 
Ohio Revised Code §1705.05

Nonprofit Corporation:

Not required. 
Ohio Revised Code §1702

Oklahoma

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Oklahoma Certificate of Authority

Business Corporation:

The name of the corporation which shall contain one of the words “association”, “company”, “corporation”, “club”, “foundation”, “fund”, “incorporated”, “institute”, “society”, “union”, “syndicate”, or “limited” or abbreviations thereof, with or without punctuation, or words or abbreviations thereof, with or without punctuation, of like import of foreign countries or jurisdictions; provided that such abbreviations are written in Roman characters or letters.
Oklahoma Statutes §18-1006

Professional Corporation:

Shall end with one or more of the words or abbreviations permitted in the applicable associated acts; provided, that such words or abbreviations shall be modified by the word "professional" or some abbreviation of the combination, with or without punctuation, including, without limitation: "P.C.", "P.L.P." or "P.L.L.C.".
Oklahoma Statutes &sect18-807.

LLC:

The name shall contain either the words limited liability company or limited company or the abbreviations "LLC", "LC", "L.L.C." or "L.C." The word limited may be abbreviated as "Ltd." and the word company may be abbreviated as "Co.".
Oklahoma Statutes &sect18-2008

Nonprofit Corporation:

The name of the corporation must contain one of the words “association”, “company”, “corporation”, “club”, “foundation”, “fund”, “incorporated”, “institute”, “society”, “union”, “syndicate”, “limited” or one of the abbreviations “co.”, “corp.”, “inc.”, “ltd.”, or words or abbreviations of like import in other languages provided that such abbreviations are written in Roman characters or letters.
Oklahoma Statutes §18-1006

Oregon

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Oregon Certificate of Authority

Business Corporation:

A corporate name shall contain one or more of the words corporation, incorporated, company or limited or an abbreviation of one or more of those words. A corporate name shall be written in the alphabet used to write the English language and may include Arabic and Roman numerals and incidental punctuation. 
ORS §60.094

Professional Corporation:

Shall contain the words professional corporation or the abbreviations P.C. or Prof. Corp.
ORS &sect58.115

LLC:

The name of the limited liability company shall contain the words limited liability company or the abbreviation L.L.C. or LLC. 
ORS §63.094

Nonprofit Corporation:

A corporate name shall be written in the alphabet used to write the English language but may include Arabic and Roman numerals and incidental punctuation. 
ORS §65.094

Pennsylvania

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Pennsylvania Certificate of Authority

Business Corporation:

Must contain the word "corporation", "company", "incorporated", or "limited" or an abbreviation of any of these terms, the word "association", "fund", or "syndicate", or words or abbreviations of like import.  
Pennsylvania Code Title 15 &sect203

Professional Corporation:

May contain the word "and" or any symbol or substitute therefore, the word "associates", and the term "P.C.".
Pennsylvania Code Title 15 &sect2921

LLC:

Must contain the term "company", "limited", or "limited liability company" or an abbreviation of one of those terms, or words or abbreviations of like import.
Pennsylvania Code Title 2 &sect204

Nonprofit Corporation:

Not required. 
Pennsylvania Code Title 15 &sect203

Rhode Island

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Rhode Island Certificate of Authority

Business Corporation:

Must contain the word "corporation," "company," "incorporated," or "limited," or an abbreviation of one of these words. 
R.I. Gen. Laws §7-1.2-401

Professional Corporation:

Shall end with the words "professional corporation" or "corporation" or "incorporated" or "limited" or the abbreviations "p.c." or "pc" or "corp." or "inc." or "ltd."
R.I. Gen. Laws &sect7-5.1-7

LLC:

Shall end with either the words "limited liability company" or the upper or lower case letters "l.l.c." with or without punctuation, or, if organized as a low-profit limited liability company, shall end with either the words "low-profit limited liability company" or the abbreviation "L3C" or "13c" 
R.I. Gen. Laws §7-16-9

Nonprofit Corporation:

Not required. 
R.I. Gen. Laws §7-6-11

South Carolina

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South Carolina Certificate of Authority

Business Corporation:

Must contain the word "corporation", "incorporated", "company", or "limited", the abbreviation "corp.", "inc.", "co.", or "ltd.", or words or abbreviations of like import in another language 
South Carolina Code of Laws §33-4-101

Professional Corporation:

Must contain the words "professional corporation", "professional association", "service corporation", or "chartered" or the abbreviation "P.C.", "PC", or "P.A.", or "PA".
South Carolina Code of Laws &sect33-19-150

LLC:

Must contain the words 'limited liability company' or 'limited company' or the abbreviation 'L.L.C.', 'LLC', 'L.C.', or 'LC'. 'Limited' may be abbreviated as 'Ltd.', and 'company' may be abbreviated as 'Co.'.  
South Carolina Code of Laws &sect33-44-105

Nonprofit Corporation:

Not required. 
South Carolina Code of Laws &sect33-33-401

South Dakota

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South Dakota Certificate of Authority

Business Corporation:

A corporate name must contain the term, corporation, incorporated, company, or limited, or the abbreviation, corp., inc., co., or ltd., or terms or abbreviations of like import in another language. 
South Dakota Codified Laws §47-1A-401

Professional Corporation:

A corporate name must contain the term, corporation, incorporated, company, or limited, or the abbreviation, corp., inc., co., or ltd., or terms or abbreviations of like import in another language.
South Dakota Codified Laws &sect47-1A-401

LLC:

The name of a limited liability company must contain, limited liability company, or limited company, or the abbreviation, L.L.C., LLC, L.C., or LC. Limited may be abbreviated as Ltd. and company may be abbreviated as Co. 
South Dakota Codified Laws §47-34A-105

Nonprofit Corporation:

Not required. 
South Dakota Codified Laws §47-22-7

Tennessee

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Tennessee Certificate of Authority

Business Corporation:

Must contain the word “corporation,” “incorporated,” “company,” or the abbreviation “corp.,” “inc.,” “co.,” or words or abbreviations of like import in another language (provided they are written in roman characters or letters);  provided, that, if such corporation is formed for the purpose of an insurance or banking business, the name of such corporation need not contain any of the aforementioned words or abbreviations.
Tenn. Code Ann. §48-14-101

Professional Corporation:

Must contain the words "professional corporation", "professional association", or "service corporation" or the abbreviation "P.C.", "P.A.", or "S.C.".
Tenn. Code Ann. &sect48-101-609

LLC:

Must contain the words "limited liability company," or the abbreviation "L.L.C." or "LLC," or words or abbreviations of like import in another language; provided, that they are written in roman characters or letters.
Tenn. Code Ann. §48-207-101

Nonprofit Corporation:

Not required. 
Tenn. Code Ann. §48-54-101

Texas

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Texas Certificate of Authority

Business Corporation:

The name of a corporation or foreign corporation must contain: (1) the word "company," "corporation," "incorporated," or "limited"; or (2) an abbreviation of one of those words. 
Texas Business Organizations Code §5.054

Professional Corporation:

Must contain the word "associated", "associates", or "association"; the phrase "professional association"; or an abbreviation of one of those words.
Texas Business Organizations Code &sect5.058

LLC:

The name of a limited liability company or a foreign limited liability company doing business in this state must contain: (1)the phrase "limited liability company" or "limited company"; or (2) an abbreviation of one of those phrases. 
Texas Business Organizations Code §5.054

Utah

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Utah Certificate of Authority

Business Corporation:

The name of a corporation: (a) except for the name of a depository institution as defined in Section 7-1-103, shall contain: (i) the word: (A) "corporation"; (B) "incorporated"; or (C) "company"; (ii) the abbreviation: (A) "corp."; (B) "inc."; or (C) "co."; or (iii) words or abbreviations of like import to the words or abbreviations listed in Subsections (1)(a)(i) and (ii) in another language. 
Utah Code §16-10a-401

Professional Corporation:

Shall contain the terms: "professional corporation" or "P.C.".
Utah Code &sect16-11-16

LLC:

The name of a limited liability company must contain the words "limited liability company" or "limited company" or the abbreviation "L.L.C.", "LLC", "L.C.", or "LC". "Limited" may be abbreviated as "Ltd.", and "company" may be abbreviated as "Co.". 
Utah Code § 48-3a-108

Nonprofit Corporation:

The corporate name of a nonprofit corporation: (a) may, but need not contain: (i) the word "corporation," "incorporated," or "company"; or (ii) an abbreviation of "corporation," "incorporated," or "company". 
Utah Code §16-6a-401

Vermont

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Vermont Certificate of Authority

Business Corporation:

Shall contain the word "corporation," "incorporated," "company," or "limited," or the abbreviation "corp.," "inc.," "co.," or "ltd.," or words or abbreviations of like import in another language. 
11A V.S.A. &sect4.01

Professional Corporation:

Must contain the words "professional corporation," "professional association," "limited," or "service corporation" or the abbreviation "P.C." , "P.A.", "LTD.", or "S.C."
11 V.S.A. &sect825

LLC:

Except for a low-profit limited liability company, the name of a limited liability company as set forth in its articles of organization shall contain the words "limited liability company" or "limited company" or the abbreviation "L.L.C.," "LLC," "L.C.," or "LC." The word "limited" may be abbreviated as "Ltd." and "company" may be abbreviated as "Co.". The name of a low-profit limited liability company shall contain the abbreviation L3C. 
11 V.S.A. &sect4005

Nonprofit Corporation:

Shall contain the word "corporation," "incorporated," "company," or "limited," or the abbreviation "corp.," "inc.," "co.," or "ltd.," or words or abbreviations of like import in another language. 
11B V.S.A. &sect4.01

Virginia

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Virginia Certificate of Authority

Business Corporation:

A corporate name shall contain the word "corporation," "incorporated," "company," or "limited," or the abbreviation "corp.," "inc.," "co.," or "ltd." Such words and their corresponding abbreviations may be used interchangeably for all purposes. 
Code of Virginia §13.1-630

Professional Corporation:

May use the initials "P.C." or "PC" or the phrase "professional corporation" or "a professional corporation" at the end of its corporate name. Such initials or phrase may be used in the place of any word or abbreviation required by subsection A of § 13.1-630.
Code of Virginia &sect13.1-544.1

LLC:

A limited liability company name shall contain the words "limited company" or "limited liability company" or their abbreviations "L.C.," "LC," "L.L.C.," or "LLC." 
Code of Virginia §13.1-1012

Nonprofit Corporation:

Not required. 
Code of Virginia §13.1-829

Washington

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Washington Certificate of Authority

Business Corporation:

Must contain the word "corporation," "incorporated," "company," or "limited," or the abbreviation "corp.," "inc.," "co.," or "ltd.". In the case of a social purpose corporation, must contain the words "social purpose corporation" or the abbreviation "SPC" or "S.P.C." 
RCW &sect23.95.305

Professional Corporation:

Must contain either the words "professional service" or "professional corporation" or the abbreviation "P.S." or "P.C." The name may also contain either the words "corporation," "incorporated," "company," or "limited," or the abbreviation "Corp.," "Inc.," "Co.," or "Ltd." The name of a professional service corporation organized to render dental services must contain the full names or surnames of all shareholders and no other word than "chartered" or the words "professional services" or the abbreviation "P.S." or "P.C."
RCW &sect23.95.305

LLC:

Must contain the words "Limited Liability Company," the words "Limited Liability" and abbreviation "Co.," or the abbreviation "L.L.C." or "LLC" 
RCW &sect23.95.305

Nonprofit Corporation:

Not required. Nonprofits may use "club," "league," "association," "services," "committee," "fund," "society," "foundation," "guild," "a nonprofit corporation," "a nonprofit mutual corporation," or any name of like import. 
RCW &sect23.95.305

West Virginia

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West Virginia Certificate of Authority

Business Corporation:

Must contain the word "corporation", "incorporated", "company" or "limited", or the abbreviation "corp.", "inc.", "co." or "ltd.", or words or abbreviations of like import in another language. 
West Virginia Code §31D-4-401

Professional Corporation:

Must contain the word "corporation", "incorporated", "company" or "limited", or the abbreviation "corp.", "inc.", "co." or "ltd.", or words or abbreviations of like import in another language.
West Virginia Code &sect31D-4-401

LLC:

The name of a limited liability company must contain "limited liability company" or "limited company" or the abbreviation "L.L.C.", "LLC", "L.C." or "LC". "Limited" may be abbreviated as "Ltd." and "company" may be abbreviated as "Co.". 
West Virginia Code §31B-1-105

Nonprofit Corporation:

Must contain the word "corporation," "incorporated," "company," or "limited," or the abbreviation "corp.," "inc.," "co.," or "ltd.," or words or abbreviations of like import in another language. 
West Virginia Code §31E-4-401

Wisconsin

Our Resources:

How to Start a Business in Wisconsin

How to Start a Nonprofit in Wisconsin

Wisconsin Certificate of Authority

Business Corporation:

Shall contain the word "corporation", "incorporated", "company" or "limited" or the abbreviation "corp.", "inc.", "co." or "ltd." or words or abbreviations of like import in another language. 
Wisconsin Statutes §180.0401

Professional Corporation:

May bear the last name of one or more persons formerly or currently associated with it. A service corporation may adopt a name which does not include the surname of any present or former shareholder. The corporate name shall end with the word "chartered" or "limited", or the words "service corporation", or the abbreviation "ltd." or "S.C.".
Wisconsin Statutes &sect180.1907

LLC:

The name of a limited liability company as set forth in its articles of organization must contain the words "limited liability company" or "limited liability co." or end with the abbreviation "L.L.C." or "LLC". 
Wisconsin Statutes §183.0103

Nonprofit Corporation:

Shall contain the word "corporation", "incorporated", "company" or "limited" or the abbreviation "corp.", "inc.", "co." or "ltd." or words or abbreviations of like import in another language. 
Wisconsin Statutes §181.0401

Wyoming

Our Resources:

How to Start a Business in Wyoming

How to Start a Nonprofit in Wyoming

Wyoming Certificate of Authority

Business Corporation:

Not required.
Wyoming Statutes §17-16-401

Professional Corporation:

The corporate name of every professional corporation shall contain either the words “A Professional Corporation” or the capital initials “P.C.”.  These words or initials shall be the last word of the name of the professional corporation.
Wyoming Statutes §17-3-103

LLC:

The name must include the words Limited Liability Company, or its abbreviations LLC, L.L.C., Limited Company, LC, L.C., Ltd. Liability Company, Ltd. Liability Co., or Limited Liability Co. .  
Wyoming Statutes &sect17-29-108

Nonprofit Corporation:

Not required.
Wyoming Statutes §17-19-401