NAICS Code 813990 — Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is the only national industry under 81399 (Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)).

Code	813990
Title	Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	$13.5 million in average annual receipts

Official definition (2022 NAICS)

This industry comprises establishments (except religious organizations, social advocacy organizations, civic and social organizations, business associations, professional organizations, labor unions, and political organizations) primarily engaged in promoting the interests of their members.

Illustrative Examples:

Athletic associations and leagues, regulatory

Property owners' associations

Condominium and homeowners' associations

Tenants' associations (except advocacy)

Cooperative owners' associations

Is a business under 813990 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 813990 qualifies as a small business if it does not exceed $13.5 million in average annual receipts. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — receipts are averaged over the latest 5 fiscal years.

Where 813990 sits in the hierarchy

Level	Code	Title
Sector	81	Other Services (except Public Administration)
Subsector	813	Religious, Grantmaking, Civic, Professional, and Similar Organizations
Industry Group	8139	Business, Professional, Labor, Political, and Similar Organizations
NAICS Industry	81399	Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)
National Industry	813990	Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
6531	Real Estate Agents and Managers
8641	Civic, Social, and Fraternal Associations
8699	Membership Organizations, Not Elsewhere Classified

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.