NAICS Code 813920: Professional Organizations
National industry
SBA small business size standard: $23.5 million in average annual receipts
Definition
This industry comprises establishments primarily engaged in promoting the professional interests of their members and the profession as a whole. These establishments may conduct research; develop statistics; sponsor quality and certification standards; lobby public officials; or publish newsletters, books, or periodicals for distribution to their members.
Code facts
- Part of
-
-
81
-
813
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8139
- 81392
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8139
-
813
-
81
- Contract awards
- 296 In the last 12 months
- Contract obligations
- $73,326,340 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 813920
- Accountants' associations
- Architects' associations
- Bar associations
- Consultants' associations
- Dentists' associations
- Dietitians' associations
- Educators' associations
- Engineers' associations
- Health professionals' associations
- Hospital administrators' associations
- Learned societies
- Medical associations
- Nurses' associations
- Occupational therapists' associations
- Optometrists' associations
- Peer review boards
- Personnel management associations
- Pharmacists' associations
- Professional associations
- Professional membership associations
- Professional standards review boards
- Psychologists' associations
- Scientific associations
- Social workers' associations
- Standards review committees, professional
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 | $775,452 |
| FY2026 | $77,122,769 |
| FY2025 | $73,326,340 |
| FY2024 | $124,392,573 |
| FY2023 | $115,480,473 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | General Dynamics Information Technology, Inc. | $19,060,012 | |
| 2 | Quality Insights, Inc. | $11,753,567 | |
| 3 | Joint Commission On Accreditation Of Healthcare Organizations | $11,726,136 | |
| 4 | North American Association Of Central Cancer Registries Inc. | $2,656,915 | |
| 5 | Maximus Federal Services, Inc. | $2,066,854 | |
| 6 | College Of American Pathologists | $2,057,677 | |
| 7 | Center For Energy Workforce Development | $1,984,555 | |
| 8 | American College Of Surgeons | $1,814,087 | |
| 9 | Nevada System Of Higher Education | $1,776,367 | |
| 10 | Provider Resources, LLC | $1,668,308 |
See the full FY2025 ranking of NAICS 813920 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Veterans Affairs | $28,892,238 | |
| 2 | Defense Health Agency | $24,643,791 | |
| 3 | Department of Health and Human Services | $6,200,677 | |
| 4 | Department of Commerce | $4,373,071 | |
| 5 | Department of State | $3,014,982 | |
| 6 | Department of Labor | $2,061,125 | |
| 7 | Department of the Army | $1,647,022 | |
| 8 | Department of the Navy | $1,368,698 | |
| 9 | Department of Homeland Security | $1,176,051 | |
| 10 | Air Force | $828,160 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 |
R408 Program Management/ |
$21,018,362 | |
| 2 | R420 Support – Professional: Certifications and Accreditations (Other Than Education or Information Technology C&A) | $14,837,233 | |
| 3 |
R410 Support – Professional: Program Evaluation/ |
$11,898,591 | |
| 4 | R499 Other Professional Services | $9,989,055 | |
| 5 |
U008 Training/ |
$3,293,776 | |
| 6 | B529 Scientific Data Studies | $3,022,518 | |
| 7 | U005 Tuition, Registration, and Membership Fees | $2,087,883 | |
| 8 | R612 Information Retrieval | $1,117,831 | |
| 9 | 7630 Newspapers and Periodicals | $883,810 | |
| 10 | R699 Other Administrative Support Services | $843,092 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Illinois | $17,741,619 | |
| 2 | Virginia | $14,850,620 | |
| 3 | West Virginia | $11,733,567 | |
| 4 | Maryland | $10,625,199 | |
| 5 | District of Columbia | $3,078,971 | |
| 6 | Texas | $1,899,191 | |
| 7 | Nevada | $1,800,742 | |
| 8 | New Jersey | $835,087 | |
| 9 | California | $620,958 | |
| 10 | North Carolina | $511,776 | |
| 11 | Nebraska | $404,952 | |
| 12 | Indiana | $393,811 | |
| 13 | New York | $333,319 | |
| 14 | South Carolina | $307,750 | |
| 15 | Alabama | $293,427 | |
| 16 | Pennsylvania | $203,318 | |
| 17 | Colorado | $188,788 | |
| 18 | Massachusetts | $187,526 | |
| 19 | Ohio | $160,106 | |
| 20 | Florida | $147,809 | |
| 21 | Michigan | $119,050 | |
| 22 | Wisconsin | $65,350 | |
| 23 | Georgia | $60,004 | |
| 24 | South Dakota | $46,954 | |
| 25 | Kentucky | $43,875 | |
| 26 | Oregon | $28,315 | |
| 27 | New Mexico | $25,723 | |
| 28 | Hawaii | $24,700 | |
| 29 | Idaho | $15,306 | |
| 30 | Kansas | $15,000 | |
| 31 | Connecticut | $13,459 | |
| 32 | Missouri | $12,155 | |
| 33 | Tennessee | $11,319 | |
| 34 | Puerto Rico | $8,950 | |
| 35 | Rhode Island | $7,396 | |
| 36 | Minnesota | $6,986 | |
| 37 | Iowa | $3,292 | |
| 38 | Washington | $1,936 |
Show all 38
Shares are of everything obligated under NAICS 813920 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 3,250 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
Proposed size standard changes
| Proposed rule | Published | Comments |
|---|---|---|
| Small Business Size Standards: Monetary-Based Industry Size Standards | Closed Oct 21, 2025No final rule found |
From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.
Quick answers
What is NAICS 813920?
NAICS 813920 is Professional Organizations, a national industry in NAICS 81, Other Services (except Public Administration).
What is the NAICS code for bar associations?
The NAICS code for bar associations is 813920, Professional Organizations.
What is the NAICS code for learned societies?
The NAICS code for learned societies is 813920, Professional Organizations.
What is the NAICS code for peer review boards?
The NAICS code for peer review boards is 813920, Professional Organizations.
When did the size standard for NAICS 813920 last change?
The most recent Federal Register rule on record that names NAICS 813920 in the SBA's size standards is "Small Business Size Standards: Adjustment of Monetary-Based Size Standards, Disadvantage Thresholds, and 8(a) Eligibility Thresholds for Inflation" (87 FR 69118), published Nov 17, 2022 and effective Dec 19, 2022.
How much do federal agencies spend under NAICS 813920?
Federal contracts under NAICS 813920 obligated $73,326,340 in fiscal year 2025 and $391,097,607 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 813920?
The contractors with the most obligated under NAICS 813920 in fiscal years 2026 and 2027 are General Dynamics Information Technology, Inc. ($19,060,012); Quality Insights, Inc. ($11,753,567); and Joint Commission On Accreditation Of Healthcare Organizations ($11,726,136).
Which agencies buy the most under NAICS 813920?
The agencies that obligated the most under NAICS 813920 in fiscal years 2026 and 2027 are Department of Veterans Affairs ($28,892,238), Defense Health Agency ($24,643,791) and Department of Health and Human Services ($6,200,677).
Which PSC codes are used with NAICS 813920?
The PSC codes with the most obligated under NAICS 813920 in fiscal years 2026 and 2027 are R408 Program Management/
Where is the work under NAICS 813920 performed?
By place of performance, the states with the most contract obligations under NAICS 813920 over the last 12 months are Illinois ($17,741,619), Virginia ($14,850,620) and West Virginia ($11,733,567).
What is the latest contract opportunity under NAICS 813920?
The latest contract opportunity under NAICS 813920 is Fairbanks Morse EDG Owners Group, solicitation from Naval Sea Systems Command (Navy), posted November 5, 2026.
On GovTribe
See everything under NAICS 813920
- Federal contract opportunities, awards and IDVs under this code
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