NAICS 541990: All Other Professional, Scientific, and Technical Services
National industry
SBA small business size standard: $19.5 million in average annual receipts
Code facts
- Part of
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54
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541
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5419
- 54199
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5419
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541
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54
- Contract awards
- 2,882 In the last 12 months
- Contract obligations
- $12,530,987,188 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.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $38,717,046 |
| FY2026 | $11,410,548,636 |
| FY2025 | $12,530,987,188 |
| FY2024 | $14,428,578,427 |
| FY2023 | $14,505,477,060 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Battelle Energy Alliance, LLC | $2,406,692,387 | |
| 2 | Booz Allen Hamilton Inc. | $648,457,960 | |
| 3 | HII Mission Technologies Corp | $592,822,418 | |
| 4 | The Mitre Corporation | $489,671,641 | |
| 5 | Sierra Nevada Company, LLC | $480,757,734 | |
| 6 | Lockheed Martin Corporation | $385,077,453 | |
| 7 | Ptsi Managed Services Inc. | $345,829,419 | |
| 8 | Oak Ridge Associated Universities, Incorporated | $285,457,004 | |
| 9 | Institute For Defense Analyses | $237,713,721 | |
| 10 | Caci, Inc. - Federal | $204,928,752 |
See the full FY2025 ranking of NAICS 541990 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Energy | $2,792,085,403 | |
| 2 | Department of the Army | $2,051,681,894 | |
| 3 | Air Force | $1,910,105,265 | |
| 4 | Department of Health and Human Services | $1,254,926,077 | |
| 5 | Office of the Secretary of Defense | $616,874,137 | |
| 6 | Department of the Navy | $594,762,802 | |
| 7 | Department of Transportation | $525,899,263 | |
| 8 | US Agency for International Development | $247,444,309 | |
| 9 | Department of Commerce | $209,297,977 | |
| 10 | Defense Advanced Research Projects Agency | $188,048,950 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | R499 Other Professional Services | $2,832,833,895 | |
| 2 | M181 Operation of Government-Owned Contractor-Operated (GOCO) R&D Facilities | $2,406,642,387 | |
| 3 | R425 Engineering and Technical Services | $1,234,586,613 | |
| 4 | J014 Maintenance, Repair and Rebuilding of Equipment: Guided Missiles | $494,755,664 | |
| 5 |
R408 Program Management/ |
$438,929,513 | |
| 6 | R706 Logistics Support Services | $372,985,173 | |
| 7 | C1BZ Architect and Engineering – Construction: Other Airfield Structures | $330,685,817 | |
| 8 | U099 Other Education and Training Services | $295,952,232 | |
| 9 | AC12 National Defense R&D Services; Department of Defense – Military; Applied Research | $233,027,948 | |
| 10 | R702 Data Collection Services | $202,565,399 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $2,535,312,949 | |
| 2 | Idaho | $2,415,168,205 | |
| 3 | District of Columbia | $840,399,439 | |
| 4 | Maryland | $784,217,296 | |
| 5 | Colorado | $673,485,571 | |
| 6 | Massachusetts | $633,674,770 | |
| 7 | Texas | $564,150,143 | |
| 8 | California | $531,486,823 | |
| 9 | Tennessee | $250,869,880 | |
| 10 | North Carolina | $194,577,845 | |
| 11 | Florida | $168,975,336 | |
| 12 | Georgia | $136,046,280 | |
| 13 | Ohio | $127,836,869 | |
| 14 | Hawaii | $64,904,614 | |
| 15 | Nevada | $58,868,104 | |
| 16 | New York | $56,356,497 | |
| 17 | Mississippi | $53,684,078 | |
| 18 | Washington | $52,338,825 | |
| 19 | New Jersey | $51,763,433 | |
| 20 | Minnesota | $49,882,162 | |
| 21 | Illinois | $47,603,059 | |
| 22 | Michigan | $45,641,212 | |
| 23 | Pennsylvania | $40,706,168 | |
| 24 | Oklahoma | $38,842,688 | |
| 25 | North Dakota | $37,679,876 | |
| 26 | Alaska | $36,375,581 | |
| 27 | Nebraska | $26,804,462 | |
| 28 | Oregon | $26,489,409 | |
| 29 | New Hampshire | $25,914,787 | |
| 30 | Missouri | $25,298,513 | |
| 31 | Iowa | $25,225,596 | |
| 32 | South Carolina | $23,984,217 | |
| 33 | Arizona | $21,245,458 | |
| 34 | Montana | $17,998,202 | |
| 35 | New Mexico | $16,220,822 | |
| 36 | Alabama | $10,485,253 | |
| 37 | Kansas | $10,451,418 | |
| 38 | Wisconsin | $10,401,941 | |
| 39 | Indiana | $9,180,784 | |
| 40 | Louisiana | $8,760,409 | |
| 41 | Utah | $7,263,407 | |
| 42 | Arkansas | $5,826,404 | |
| 43 | Connecticut | $5,604,065 | |
| 44 | Delaware | $4,687,709 | |
| 45 | South Dakota | $2,332,883 | |
| 46 | Puerto Rico | $1,977,648 | |
| 47 | West Virginia | $1,764,679 | |
| 48 | Kentucky | $1,333,610 | |
| 49 | Guam | $382,566 | |
| 50 | Rhode Island | $237,915 | |
| 51 | Wyoming | $212,269 | |
| 52 | Vermont | $150,675 | |
| 53 | U.S. Virgin Islands | $68,775 |
Show all 53
Shares are of everything obligated under NAICS 541990 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 39 more
Latest 49 of 31,637 listed here. See the rest on GovTribe.
Definition
This industry comprises establishments primarily engaged in the provision of professional, scientific, or technical services (except legal services; accounting, tax preparation, bookkeeping, and related services; architectural, engineering, and related services; specialized design services; computer systems design and related services; management, scientific, and technical consulting services; scientific research and development services; advertising, public relations, and related services; market research and public opinion polling; photographic services; translation and interpretation services; and veterinary services).
Illustrative examples
- Appraisal (except real estate) services
- Arbitration and conciliation services (except by attorney, paralegal)
- Business brokers (except real estate brokers)
- Commodity inspection services
- Consumer credit counseling services
- Credit repair (i.e., counseling) services, consumer
- Electronic communication verification content services
- Estate assessment (i.e., appraisal) services
- Handwriting analysis services
- Handwriting expert services
- Marine surveyor (i.e., ship appraiser) services
- Mediation product services (except by lawyer, attorney, paralegal offices, family and social services)
- Meteorological services
- Patent broker services (i.e., patent marketing services)
- Patrolling (i.e., visual inspection) of electric transmission or gas lines
- Pipeline inspection (i.e., visual) services
- Power line inspection (i.e., visual) services
- Quantity surveyor services
- Weather forecasting services
Show all 19
Quick answers
What is NAICS 541990?
NAICS 541990 is All Other Professional, Scientific, and Technical Services, a national industry in NAICS 54, Professional, Scientific, and Technical Services.
What is the NAICS code for meteorological services?
The NAICS code for meteorological services is 541990, All Other Professional, Scientific, and Technical Services.
What is the NAICS code for quantity surveyor services?
The NAICS code for quantity surveyor services is 541990, All Other Professional, Scientific, and Technical Services.
What is the NAICS code for handwriting expert services?
The NAICS code for handwriting expert services is 541990, All Other Professional, Scientific, and Technical Services.
How much do federal agencies spend under NAICS 541990?
Federal contracts under NAICS 541990 obligated $12,530,987,188 in fiscal year 2025 and $52,914,308,357 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 541990?
The contractors with the most obligated under NAICS 541990 in fiscal years 2026 and 2027 are Battelle Energy Alliance, LLC ($2,406,692,387); Booz Allen Hamilton Inc. ($648,457,960); and HII Mission Technologies Corp ($592,822,418).
Which agencies buy the most under NAICS 541990?
The agencies that obligated the most under NAICS 541990 in fiscal years 2026 and 2027 are Department of Energy ($2,792,085,403), Department of the Army ($2,051,681,894) and Air Force ($1,910,105,265).
Which PSC codes are used with NAICS 541990?
The PSC codes with the most obligated under NAICS 541990 in fiscal years 2026 and 2027 are R499 Other Professional Services, M181 Operation of Government-Owned Contractor-Operated (GOCO) R&D Facilities and R425 Engineering and Technical Services.
Where is the work under NAICS 541990 performed?
By place of performance, the states with the most contract obligations under NAICS 541990 over the last 12 months are Virginia ($2,535,312,949), Idaho ($2,415,168,205) and the District of Columbia ($840,399,439).
What is the latest contract opportunity under NAICS 541990?
The latest contract opportunity under NAICS 541990 is Request for Information: Outreach and Industry Partnerships (OIP) Portal, special notice from Office of Procurement Operations, posted October 23, 2026.
On GovTribe
See everything under NAICS 541990
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