All Other Professional, Scientific, and Technical Services
467 active contract opportunities
467
Active Opportunities
440
Posted Last 7 Days
30 days
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Top Industries
- All Other Professional, Scientific, and Technical Services467
Set-Aside Distribution
- 323
- Small Business62
- No Set Aside44
- SDVOSB24
- 8(a) Competed6
Top Locations
- CO131
- DC49
- VA46
- MD40
- TX32
About NAICS541990
The North American Industry Classification System (NAICS) code 541990 covers all other professional, scientific, and technical services. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.
Related Industries
Quality Assurance Services Civil Works, Interagency and International Services (IIS) and Military Construction Projects Puerto Rico and US Virgin Islands
DEPT OF DEFENSE
SAN JUAN, PR
NAICS 541990
Posted Sep 25, 2025
Small BusinessSDA Enterprise SETA Services OY2 Modification
DEPT OF DEFENSE
CHANTILLY, VA
NAICS 541990
Posted Sep 24, 2025
Strategic Evaluation Support Services
DEPT OF DEFENSE
WASHINGTON, DC
NAICS 541990
Posted Sep 23, 2025
Accreditation Association for Ambulatory Health Care (AAAHC) Health Accreditation, Certification, and Recognition Services
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
ROCKVILLE, MD
NAICS 541990
Posted Sep 23, 2025
Q-iPSC Generation and Beta Cell Differentiation
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
BETHESDA, MD
NAICS 541990
Posted Sep 23, 2025
Justification and Approval for Use of Other Than Full and Open Competition
DEPT OF DEFENSE
NORFOLK, VA
NAICS 541990
Posted Sep 23, 2025
Independent External Peer Review for Matagorda Ship Channel Improvements Integrated Post Authorization Change Report and Supplemental Environmental Impact Statement, Port Lavaca, Calhoun, and Matagorda Counties, Texas
DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541990
Posted Sep 23, 2025
No Set AsideR-International Data Subscription
COMMERCE, DEPARTMENT OF
SEATTLE, WA
NAICS 541990
Posted Sep 23, 2025
R-Water Rights Litigation Support for Fort Belknap Agency
INTERIOR, DEPARTMENT OF THE
BILLINGS, MT
NAICS 541990
Posted Sep 22, 2025
Award Notice: Firm Fixed-Price, Non-Personal Service Type, Brand-Name-Only Commercial Item purchase to provide ScriptPro equipment expansions and upgrades for the Fort Yates IHS Hospital, Lower Brule & McLaughlin Health Centers, and WWKMHCC.
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
ABERDEEN, SD
NAICS 541990
Posted Sep 22, 2025
No Set AsideQ-Adherence with continuous positive airway
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
BETHESDA, MD
NAICS 541990
Posted Sep 22, 2025
R-Historic Architecture Conservation and Engineering
INTERIOR, DEPARTMENT OF THE
BOSTON, MA
NAICS 541990
Posted Sep 22, 2025
Value to the Nation: Content Development and Website Maintenance
DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541990
Posted Sep 19, 2025
Small BusinessJoint Terminal Attack Controller (JTAC) Support Services
DEPT OF DEFENSE
LANSING, MI
NAICS 541990
Posted Sep 19, 2025
SDVOSBAN41-UNC Psychiatry Quantitative Study
VETERANS AFFAIRS, DEPARTMENT OF
HAMPTON, VA
NAICS 541990
Posted Sep 19, 2025
SPA Inventory Decision Support Process (IDSP)
DEPT OF DEFENSE
PATUXENT RIVER, MD
NAICS 541990
Posted Sep 18, 2025
No Set AsideR-Seabed Autonomous Underwater Vehicle (AUV) Operati
COMMERCE, DEPARTMENT OF
SEATTLE, WA
NAICS 541990
Posted Sep 17, 2025
Program, Project and Mission Support Services (PPMSS) 2nd Bridge contract
HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 541990
Posted Sep 17, 2025
H-Aquatic Invasive Species Watercraft Inspection and
INTERIOR, DEPARTMENT OF THE
SALT LAKE CITY, UT
NAICS 541990
Posted Sep 17, 2025
PAR Ex Audit and Upgrade
VETERANS AFFAIRS, DEPARTMENT OF
AUGUSTA, GA
NAICS 541990
Posted Sep 17, 2025
No Set Aside