813990

Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)

Other Services (except Public Administration) › Religious, Grantmaking, Civic, Professional, and Similar Organizations › Business, Professional, Labor, Political, and Similar Organizations

SBA Size Standard

$13.5M average annual receipts

Revenue-Based Verify at SBA.gov →

NAICS Code Hierarchy

81

Sector

Other Services (except Public Administration)

813

Subsector

Religious, Grantmaking, Civic, Professional, and Similar Organizations

8139

Industry Group

Business, Professional, Labor, Political, and Similar Organizations

813990

National Industry (This Code)

Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
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

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

$13.5M average annual receipts

Measurement Period

3-year average

Standard Type

Revenue-Based

Applies To

All contracts under NAICS 813990

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Operating religious organizations, such as churches, religious temples, mosques, and monasteries--are classified in Industry 813110, Religious Organizations;
Raising funds for a wide range of social welfare activities and establishments known as grantmaking foundations or charitable trusts--are classified in Industry 81321, Grantmaking and Giving Services;
Advocating social causes or issues--are classified in Industry 81331, Social Advocacy Organizations;
Promoting the civic and social interests of their members--are classified in Industry 813410, Civic and Social Organizations;
Promoting the business interests of their members--are classified in Industry 813910, Business Associations;
Promoting the professional interests of their members and the profession as a whole--are classified in Industry 813920, Professional Organizations;
Promoting the interests of organized labor and union employees--are classified in Industry 813930, Labor Unions and Similar Labor Organizations;
Promoting the interests of national, state, or local political parties or candidates--are classified in Industry 813940, Political Organizations; and
Providing recreational and amusement services, such as recreational or youth sports league teams--are classified in Industry 713990, All Other Amusement and Recreation Industries.

How to Use NAICS 813990 in SAM.gov

NAICS code 813990Other Similar Organizations (except Business, Professional, Labor, and Political Organizations) — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Business, Professional, Labor, Political, and Similar Organizations space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of $13.5M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 813990.

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Frequently Asked Questions

What is NAICS code 813990?

NAICS code 813990 is 'Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)', classified under the Other Services (except Public Administration) sector (NAICS 81). This industry comprises establishments (except religious organizations, social advocacy organizations, civic and social organizations, business associations, professional organizations, labor unions,

What is the SBA small business size standard for NAICS code 813990?

The SBA defines a small business under NAICS code 813990 (Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)) as one with $13.5M average annual receipts. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 813990 in SAM.gov?

To register NAICS code 813990 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 813990 (Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)) to your NAICS code list. You may designate one code as your Primary NAICS code.

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Related NAICS Codes

Other codes in Business, Professional, Labor, Political, and Similar Organizations

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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