NAICS Code 81391: Business Associations
NAICS industry
Definition
This industry comprises establishments primarily engaged in promoting the business interests of their members. These establishments may conduct research on new products and services; develop market statistics; sponsor quality and certification standards; lobby public officials; or publish newsletters, books, or periodicals for distribution to their members.
Government contracts for this service: PSC U005 Tuition, Registration, and Membership Fees
Code facts
- Part of
-
-
81
-
813
- 8139
-
813
-
81
- Codes under it
- 1
- Contract awards
- 39 In the last 12 months
- Contract obligations
- $2,139,973 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Business activities under NAICS 813910
- Agricultural organizations (except youth farming organizations, farm granges)
- Animal breeders' associations
- Bankers' associations
- Better business bureaus
- Boards of trade
- Business associations
- Chambers of commerce
- Construction associations
- Contractors' associations
- Distributors' associations
- Farmers' associations
- Farmers' unions
- Growers' associations
- Hospital associations
- Industrial associations
- Insurers' associations
- Junior chambers of commerce
- Manufacturers' associations
- Merchants' associations
- Mining associations
- Producers' associations
- Public utility associations
- Real estate boards
- Restaurant associations
- Retailers' associations
- Service industries associations
- Shipping companies' associations
- Trade associations
- Warehousing associations
- Wholesalers' associations
Looking for another activity? Search the NAICS code lookup or browse business activities from A to Z.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $4,032,616 |
| FY2025 | $2,139,973 |
| FY2024 | $5,320,933 |
| FY2023 | $4,183,647 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | American Association Of State Highway & Transportation Officials | $1,027,081 | |
| 2 | American Hospital Association | $876,058 | |
| 3 | Kantara Initiative Inc. | $307,611 | |
| 4 | Open Geospatial Consortium Inc. | $250,000 | |
| 5 | Global Leadership Exchange, Inc. | $209,475 | |
| 6 | Association Of Small Business Development Centers | $144,600 | |
| 7 | American National Standards Institute Incorporated | $129,550 | |
| 8 | American Academy Of Physician Associates, Inc. | $100,000 | |
| 9 | National Council For Prescription Drug Programs Inc. | $99,676 | |
| 10 | American Society Of Health-System Pharmacists Inc. | $68,881 |
See the full FY2025 ranking of NAICS 81391 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Transportation | $1,090,547 | |
| 2 | Department of Veterans Affairs | $907,627 | |
| 3 | Department of Health and Human Services | $686,672 | |
| 4 | Department of Homeland Security | $422,717 | |
| 5 | General Services Administration | $338,111 | |
| 6 | Small Business Administration | $144,600 | |
| 7 | Department of the Army | $78,791 | |
| 8 | Department of State | $67,900 | |
| 9 | Department of Labor | $42,524 | |
| 10 | Department of the Treasury | $40,000 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | U005 Tuition, Registration, and Membership Fees | $1,654,634 | |
| 2 |
R406 Policy Review/ |
$700,000 | |
| 3 | R499 Other Professional Services | $597,237 | |
| 4 | R605 Library Services | $290,000 | |
| 5 | DH10 IT and Telecom – Platform as a Service: Database, Mainframe, Middleware | $201,360 | |
| 6 | B537 Medical and Health Studies | $131,242 | |
| 7 | R420 Support – Professional: Certifications and Accreditations (Other Than Education or Information Technology C&A) | $77,602 | |
| 8 | R701 Advertising Services | $60,320 | |
| 9 | Q999 Other Medical Services | $42,524 | |
| 10 |
DA01 IT and Telecom – Business Application/ |
$39,079 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | District of Columbia | $1,516,810 | |
| 2 | Illinois | $973,503 | |
| 3 | Virginia | $454,814 | |
| 4 | Indiana | $250,000 | |
| 5 | Maryland | $232,401 | |
| 6 | New Hampshire | $209,475 | |
| 7 | Wisconsin | $118,000 | |
| 8 | New York | $70,777 | |
| 9 | Pennsylvania | $32,600 | |
| 10 | California | $25,958 | |
| 11 | Florida | $24,167 | |
| 12 | Colorado | $18,505 | |
| 13 | Connecticut | $18,471 | |
| 14 | South Carolina | $18,420 | |
| 15 | Oregon | $15,181 | |
| 16 | Wyoming | $5,000 | |
| 17 | Alaska | $4,050 |
Show all 17
Contract opportunities
Show 40 more
Latest 50 of 712 listed here. See the rest on GovTribe.
Codes under 81391
| NAICS code | Size standard |
|---|---|
| 813910 Business Associations | $15.5 million in average annual receipts |
Quick answers
What is NAICS 81391?
NAICS 81391 is Business Associations, a NAICS industry in NAICS 81, Other Services (except Public Administration).
What is the NAICS code for boards of trade?
The NAICS code for boards of trade is 813910, Business Associations. Its SBA small business size standard is $15.5 million in average annual receipts.
What is the NAICS code for farmers' unions?
The NAICS code for farmers' unions is 813910, Business Associations. Its SBA small business size standard is $15.5 million in average annual receipts.
What is the NAICS code for real estate boards?
The NAICS code for real estate boards is 813910, Business Associations. Its SBA small business size standard is $15.5 million in average annual receipts.
What codes are under NAICS 81391?
NAICS 81391 has one code under it with its own GovTribe page, 813910 Business Associations.
How much do federal agencies spend under NAICS 81391?
Federal contracts under NAICS 81391 obligated $2,139,973 in fiscal year 2025 and $15,677,169 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 81391?
The contractors with the most obligated under NAICS 81391 in fiscal years 2026 and 2027 are American Association Of State Highway & Transportation Officials ($1,027,081), American Hospital Association ($876,058) and Kantara Initiative Inc. ($307,611).
Which agencies buy the most under NAICS 81391?
The agencies that obligated the most under NAICS 81391 in fiscal years 2026 and 2027 are Department of Transportation ($1,090,547), Department of Veterans Affairs ($907,627) and Department of Health and Human Services ($686,672).
Which PSC codes are used with NAICS 81391?
The PSC codes with the most obligated under NAICS 81391 in fiscal years 2026 and 2027 are U005 Tuition, Registration, and Membership Fees; R406 Policy Review/
Where is the work under NAICS 81391 performed?
By place of performance, the states with the most contract obligations under NAICS 81391 over the last 12 months are the District of Columbia ($1,516,810), Illinois ($973,503) and Virginia ($454,814).
What is the latest contract opportunity under NAICS 81391?
The latest contract opportunity under NAICS 81391 is Hospital Data Acquisition: American Hospital Association (AHA) Annual Survey Database, 2025, special notice from Office of the Assistant Secretary for Administration, posted August 26, 2026.
On GovTribe
See everything under NAICS 81391
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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- Ask GovTribe AI about this code