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NAICS 541990: All Other Professional, Scientific, and Technical Services

74 federal set-aside contracts under NAICS code 541990. Updated daily from SAM.gov, rewritten in plain English.

Active (45)Closed (29)
U.S. Department of Defense
Disabled Veteran-Owned

Army Training System Analysts

U.S. Department of Defense
$100K – $500K📍 Fort Eustis, VAUpdated Jul 10
Offers due Jul 24 · in 13 days
U.S. Department of Homeland Security
Small Business

Engine Water Sample Testing for MH-65E Aircraft

U.S. Department of Homeland Security
$5M – $10MUpdated Jul 10
Offers due Aug 10 · in 30 days
U.S. Department of Defense
Small Business

Professional Services

U.S. Department of Defense
$100K – $500K📍 Orlando, FLUpdated Jul 09
Offers due Sep 12 · in 63 days
U.S. Department of the Interior
Small Business

Annual Fire Extinguisher Inspection and Servicing

U.S. Department of the Interior
$100K – $500K📍 MontanaUpdated Jul 09
Offers due Jul 27 · in 16 days
U.S. Department of Defense
Small Business

USACE History Project

U.S. Department of Defense
$5K – $50K📍 Alexandria, VAUpdated Jul 06
Rolling deadline
U.S. Department of Defense
Small Business

NHPA Archaeological & Architectural Surveys

U.S. Department of Defense
$100K – $500K📍 Fort Campbell, KYUpdated Jul 08
Offers due Jul 16 · in 5 days
U.S. Department of Defense
Small Business

Collective Training Exercise Support Services

U.S. Department of Defense
$100K – $500K📍 Bourne, MAUpdated Jul 02
Offers due Jul 12 · in 1 day
U.S. Department of the Interior
Small Business

Janus Fire Maintenance

U.S. Department of the Interior
$100K – $500KUpdated Jul 01
Offers due Jul 20 · in 9 days
U.S. Department of Transportation
Small Business

SeaWeb Ship Database Subscription

U.S. Department of Transportation
$19.5KM-$19.5KM📍 Kings Point, NYUpdated Jul 01
Offers due Jul 15 · in 4 days
U.S. Department of Defense
Small Business

Range and Training Area Management Support Services

U.S. Department of Defense
$1M – $10MUpdated Jul 01
Offers due Jul 16 · in 5 days
U.S. Department of Defense
Small Business

Oral History Processing for the Naval History and Heritage Command

U.S. Department of Defense
$100K – $500K📍 District of ColumbiaUpdated Jul 09
Offers due Jul 15 · in 4 days
U.S. Nuclear Regulatory Commission
Small Business

Radiological Assessment System Support

U.S. Nuclear Regulatory Commission
$100K – $500KUpdated Jun 30
Offers due Aug 14 · in 34 days
U.S. Department of Defense
Small Business

Portable Fire Extinguisher Maintenance and Recharging

U.S. Department of Defense
$100K – $500K📍 Agana Heights, GUUpdated Jun 30
Offers due Jul 17 · in 6 days
U.S. Department of the Interior
Small Business

Preservation Movement Context Study

U.S. Department of the Interior
$100K – $500KUpdated Jun 29
Offers due Jul 20 · in 9 days
U.S. Department of Defense
Small Business

Medical Instructor/Operator Support Services

U.S. Department of Defense
$1M – $10M📍 Orlando, FLUpdated Jun 27
Offers due Jul 27 · in 16 days
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Related NAICS codes

541930Translation and Interpretation Services(4)541922Commercial Photography(1)

Browse all NAICS codes →

NAICS 541990 — common questions

What is NAICS code 541990?expand_more

NAICS 541990 is the 2022 North American Industry Classification System code for "All Other Professional, Scientific, and Technical Services." Federal agencies assign it to contract opportunities in this industry so vendors can find work that matches their capabilities.

Are there small-business set-asides under NAICS 541990?expand_more

Yes. There are currently 45 active federal set-aside opportunities listed under NAICS 541990, including 8(a), WOSB, SDVOSB, HUBZone, and small-business set-asides. They're listed above and refreshed daily from SAM.gov.

Looking for a specific program? Browse by set-aside type: 8(a), SDVOSB, WOSB, HUBZone.

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