Professional, Scientific, and Technical Services

4,112 active contract opportunities

4,112

Active Opportunities

205

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Engineering Services700
  • Other Computer Related Services617
  • Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)559
  • All Other Professional, Scientific, and Technical Services308
  • Administrative Management and General Management Consulting Services215

Set-Aside Distribution

  • 2698
  • Small Business466
  • No Set Aside437
  • SDVOSB320
  • 8(a) Sole Source57

Top Locations

  • VA639
  • DC514
  • MD370
  • CA231
  • CO219

About NAICS541

The North American Industry Classification System (NAICS) code 541 covers 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

Data Verification and Validation Link Analysis Software Platform Artificial Intelligence (AI) Solutions for Network Performance Analytics and Data Validation

COMMERCE, DEPARTMENT OF
RESTON, VA
NAICS 541519
Posted Jan 9, 2026
Due Jan 30, 2026
4 days left

Payment Card Industry Data Security Standards Audit Readiness.

DEPT OF DEFENSE
JBSA LACKLAND, TX
NAICS 541618
Posted Jan 9, 2026
Due Jan 29, 2026
3 days left

AcuStaf Nurse Labor Mgmt System

VETERANS AFFAIRS, DEPARTMENT OF
HAMPTON, VA
NAICS 541519
Posted Jan 9, 2026
No Set Aside

R-Science and Technical Support Services IDIQ Contra

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

Indefinite Delivery/ Indefinite Quantity (IDIQ) Contract for Environmental Sampling Services

DEPT OF DEFENSE
NORFOLK, VA
NAICS 541380
Posted Jan 9, 2026
Due Feb 11, 2026
16 days left

Conduct Housing Requirements and Market Analysis (HRMA) at Osan AB, Korea

DEPT OF DEFENSE
JBSA LACKLAND, TX
NAICS 541330
Posted Jan 9, 2026
Due Feb 10, 2026
No Set Aside
15 days left

Future Program: National Security Economic Theory (NASCENT)

DEPT OF DEFENSE
ARLINGTON, VA
NAICS 541715
Posted Jan 9, 2026
Due Mar 1, 2026
33 days left

ADVANCED SIGNATURES TECHNOLOGIES (AST) SUPPORT SERVICES

DEPT OF DEFENSE
BETHESDA, MD
NAICS 541330
Posted Jan 9, 2026
Due Feb 9, 2026
14 days left

19AQMM26F0013 Limited Source Justification

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 541512
Posted Jan 9, 2026

Research and Development Center Information Technology Operations and Maintenance Support

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 541512
Posted Jan 9, 2026

Presidential Library Ticketing System

NATIONAL ARCHIVES AND RECORDS ADMINISTRATION
COLLEGE PARK, MD
NAICS 541519
Posted Jan 9, 2026
Due Feb 3, 2026
Small Business
8 days left

Cannabinoid Testing

JUSTICE, DEPARTMENT OF
SPRINGFIELD, VA
NAICS 541380
Posted Jan 9, 2026
Due Feb 9, 2026
No Set Aside
14 days left

DLA Aviation Delinquency Support Services

DEPT OF DEFENSE
RICHMOND, VA
NAICS 541611
Posted Jan 9, 2026

The Radford Army Ammunition Plant (RFAAP) Modernized Pre-Mix and Nitro Cellulose (NC) Dehydration NG3 Facilities

DEPT OF DEFENSE
FORT DRUM, NY
NAICS 541330
Posted Jan 9, 2026
Due Jan 30, 2026
4 days left

Solicitation for EPA Laboratory ESAT Regions 04 an

ENVIRONMENTAL PROTECTION AGENCY
CHICAGO, IL
NAICS 541380
Posted Jan 8, 2026
Due Feb 23, 2026
28 days left

BMC3I A&AS EFO

DEPT OF DEFENSE
EL SEGUNDO, CA
NAICS 541715
Posted Jan 8, 2026

N61331-26-R-3104 Fabrication Shop Follow On

DEPT OF DEFENSE
PANAMA CITY BEACH, FL
NAICS 541330
Posted Jan 8, 2026
Due Feb 23, 2026
8(a) Competed
28 days left

Generative Unwanted Activity Recognition and Defense (GUARD) (TReX II-24-02-066)

DEPT OF DEFENSE
ORLANDO, FL
NAICS 541715
Posted Jan 8, 2026

Justification for Exception to Fair Opportunity - NIST CPP Development

COMMERCE, DEPARTMENT OF
GAITHERSBURG, MD
NAICS 541519
Posted Jan 8, 2026

FAA UNMANNED AIRCRAFT SYSTEMS TEST SITE (UASTS) SELECTION 2.0

TRANSPORTATION, DEPARTMENT OF
FORT WORTH, TX
NAICS 54171
Posted Jan 8, 2026