All Other Professional, Scientific, and Technical Services

575 active contract opportunities

575

Active Opportunities

507

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • All Other Professional, Scientific, and Technical Services575

Set-Aside Distribution

  • 416
  • Small Business53
  • No Set Aside40
  • SDVOSB30
  • Small Business Set Aside - Total12

Top Locations

  • CO173
  • VA61
  • DC57
  • MD53
  • TX34

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.

R-BIO ITIS DATABASE CLOUD MIGRATION

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Feb 2, 2026

R-DYLAN STOVER NEW SSC W4QDGY8TJ774

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Feb 2, 2026

R-SDM Tools Suite and Publications Warehouse

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Jan 29, 2026

B-GS-05 SSC SOFIA BAUTISTA

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Jan 28, 2026

R-Science and Technical Support Services (STSSC) For

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Jan 27, 2026

AWARD NOTICE:Year 2026 for FA821725RB005 Solicitation for CRC Contractor Logistic Support for TYQ23A/TCS 250

DEPT OF DEFENSE
HILL AFB, UT
NAICS 541990
Posted Jan 27, 2026
Small Business

ECHO-Mozambique-J&A

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 541990
Posted Jan 26, 2026

Dawa za Ubora J&A

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 541990
Posted Jan 26, 2026

Scientific and Technical Engagement Partnership (STEP 2.0)

DEPT OF DEFENSE
FORT BELVOIR, VA
NAICS 541990
Posted Jan 22, 2026

B-STUDENT CONTRACT - RITA GORSUCH

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Jan 14, 2026

Medical Physics Testing

DEPT OF DEFENSE
JBSA FT SAM HOUSTON, TX
NAICS 541990
Posted Jan 14, 2026
Small Business

Justification for an Exception to Fair Opportunity - Free Space Optical Communications (FSOC) IV

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
GREENBELT, MD
NAICS 541990
Posted Jan 12, 2026

R-Science and Technical Support Services for National Water Quality Laboratory (NWQL) in Denver and Boulder, Colorado.

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Jan 12, 2026

R-Science and Technical Support Services IDIQ Contra

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Jan 9, 2026

R-Science and Technical Support Services (STSSC) For

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Jan 8, 2026

R-Science and Technical Support Services (STSSC) For

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Jan 7, 2026

R-Science and Technical Support Services (STSSC) For

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Dec 29, 2025

R-Science and Technical Support Services (STSSC) For

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Dec 29, 2025

Space Based Infrared Radar Operations Support (SBIRS OS) Bridge

DEPT OF DEFENSE
PETERSON AFB, CO
NAICS 541990
Posted Dec 29, 2025
Small Business

Fire Sprinkler System Inspection and Repair Services at PEWARS

DEPT OF DEFENSE
PITTSBURGH, PA
NAICS 541990
Posted Dec 23, 2025
No Set Aside