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.
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DEPT OF DEFENSE
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NAICS 541990
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No Set AsideJ042-Fire Alarm System Inspection, Testing, Maintenance, and Certification Services at the Bedford VA Medical Center
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DEPT OF DEFENSE
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NAICS 541990
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NAICS 541990
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HEALTH AND HUMAN SERVICES, DEPARTMENT OF
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NAICS 541990
Posted Jul 24, 2026
Due Aug 3, 2026
No Set AsideRe-Posting Solicitation: W911QY-26-R-A007 - Capability Program Executive - Ground (Soldier Systems), Project Manager Soldier Medical Devices (PM SMD), Materiel Fielding and Medical Liaison Support Services
DEPT OF DEFENSE
NATICK, MA
NAICS 541990
Posted Jul 24, 2026
Due Aug 13, 2026
Small BusinessR-Counter Nuclear Smuggling System Deployment (CNSSD
ENERGY, DEPARTMENT OF
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NAICS 541990
Posted Jul 24, 2026
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INTERIOR, DEPARTMENT OF THE
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NAICS 541990
Posted Jul 24, 2026
Notice of Intent to Sole Source Lori Carson Consulting LLC
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
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NAICS 541990
Posted Jul 24, 2026
Collecting Eye Tracking and Vehicle Kinematics Data from Alternative Intersection and Interchange Sites
TRANSPORTATION, DEPARTMENT OF
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NAICS 541990
Posted Jul 24, 2026
Due Aug 11, 2026
No Set AsideR408-Radiation Oncology Assessment Services
VETERANS AFFAIRS, DEPARTMENT OF
LINTHICUM, MD
NAICS 541990
Posted Jul 23, 2026
Small BusinessH-NCAO Fire Extinguisher and CO2 Services
INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 541990
Posted Jul 23, 2026
MALU ETHNOGRAPHIC OVERVIEW MLK, JR. NHP
INTERIOR, DEPARTMENT OF THE
ATLANTA, GA
NAICS 541990
Posted Jul 23, 2026
Due Aug 13, 2026
Small BusinessH-Aquatic Invasive Species Watercraft Inspection and
INTERIOR, DEPARTMENT OF THE
SALT LAKE CITY, UT
NAICS 541990
Posted Jul 22, 2026
NASA Commercial Satellite Data Acquisition (CSDA) and Evaluation of Data in Support of Sustainable Land Imaging (SLI) Commercialization
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
WASHINGTON, DC
NAICS 541990
Posted Jul 22, 2026
Due Aug 6, 2026
No Set AsideBiometrics Operations Division Examination Support Services
DEPT OF DEFENSE
PICATINNY ARSENAL, NJ
NAICS 541990
Posted Jul 22, 2026
Due Aug 5, 2026
No Set AsideAeronautics and Space Programs and Policies Studies (ASPPS)
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
WASHINGTON, DC
NAICS 541990
Posted Jul 22, 2026
Due Aug 6, 2026
No Set AsideMedical Instructor/Operator Support Services (MIOSS)
DEPT OF DEFENSE
ORLANDO, FL
NAICS 541990
Posted Jul 22, 2026
Due Aug 24, 2026
Small BusinessEngine Water Sample Testing for MH-65E aircraft
HOMELAND SECURITY, DEPARTMENT OF
Elizabeth City, NC
NAICS 541990
Posted Jul 22, 2026
Due Aug 10, 2026
Small BusinessRequest for Information (RFI)/Sources Sought (SS) Notice -FHWA Office of Highway Policy Information (HPL) National Performance Management Research Data Set (NPMRDS)
TRANSPORTATION, DEPARTMENT OF
WASHINGTON, DC
NAICS 541990
Posted Jul 22, 2026
Due Aug 5, 2026
No Set Aside