Professional, Scientific, and Technical Services

4,119 active contract opportunities

4,119

Active Opportunities

205

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Engineering Services702
  • Other Computer Related Services618
  • Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)559
  • All Other Professional, Scientific, and Technical Services309
  • Administrative Management and General Management Consulting Services215

Set-Aside Distribution

  • 2700
  • Small Business467
  • No Set Aside440
  • SDVOSB320
  • 8(a) Sole Source57

Top Locations

  • VA641
  • DC516
  • 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

Q702-Salt Lake City Outpatient Clinic IOT&A

VETERANS AFFAIRS, DEPARTMENT OF
INDEPENDENCE, OH
NAICS 541614
Posted Oct 24, 2025
SDVOSB

DA10-DSS Vista integrated LiveData PeriOp Manager (VA-25-00093205)

VETERANS AFFAIRS, DEPARTMENT OF
EATONTOWN, NJ
NAICS 541519
Posted Oct 23, 2025
Small Business

Operational Picture ENvironment for Resource Management (OPENRM) GIS Platform for DoD

DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541715
Posted Oct 23, 2025

Siemens Network Segmentation

DEPT OF DEFENSE
LANGLEY AFB, VA
NAICS 541512
Posted Oct 23, 2025

Health Care Operations and Other Program Management Support

DEPT OF DEFENSE
FALLS CHURCH, VA
NAICS 541611
Posted Oct 23, 2025
Small Business

C1DA-Campus Streets & Walkways Lighting Improvements 590-25-250

VETERANS AFFAIRS, DEPARTMENT OF
HAMPTON, VA
NAICS 541330
Posted Oct 23, 2025
SDVOSB

FY26 Service - SPS Service Contract (Base + 3)

VETERANS AFFAIRS, DEPARTMENT OF
ALBANY, NY
NAICS 541614
Posted Oct 23, 2025
No Set Aside

F103-VISN2 Legionella Water Sampling and Analysis

VETERANS AFFAIRS, DEPARTMENT OF
ALBANY, NY
NAICS 541380
Posted Oct 23, 2025
SDVOSB

C1DA-VISN 1 Engineering Services Multiple Award IDIQ Awardee: Spees

VETERANS AFFAIRS, DEPARTMENT OF
TOGUS, ME
NAICS 541330
Posted Oct 23, 2025
SDVOSB

C1DZ-Project 502-25-145 - AE Design for Boiler Plant Soft Water System

VETERANS AFFAIRS, DEPARTMENT OF
RIDGELAND, MS
NAICS 541330
Posted Oct 22, 2025
SDVOSB

Enterprise Case Management Solution Integration Services Bridge Task Order

TREASURY, DEPARTMENT OF THE
NEW CARROLLTON, MD
NAICS 541512
Posted Oct 22, 2025

H166-Fume Hood Services

VETERANS AFFAIRS, DEPARTMENT OF
San Antonio, TX
NAICS 541380
Posted Oct 22, 2025

Routine Gate Maintenance Quality Assurance Services at Lock & Dam 5A

DEPT OF DEFENSE
SAINT PAUL, MN
NAICS 541380
Posted Oct 21, 2025
Small Business

Policy Working Group for Switch Biomanufacturing

DEPT OF DEFENSE
ARLINGTON, VA
NAICS 541714
Posted Oct 21, 2025
No Set Aside

C1DA-OR Install Laser Receptacle 652-19-906

VETERANS AFFAIRS, DEPARTMENT OF
HAMPTON, VA
NAICS 541330
Posted Oct 21, 2025
SDVOSB

A-Urban Watershed Research Facility Tech Support

ENVIRONMENTAL PROTECTION AGENCY
CINCINNATI, OH
NAICS 541715
Posted Oct 21, 2025

PRECISELY JEFO

TREASURY, DEPARTMENT OF THE
ANCHORAGE, AK
NAICS 541519
Posted Oct 21, 2025

Justification for an Exception to Fair Opportunity for MCBCP CMP22 Identification and Evaluation of Traditional Cultural Properties

DEPT OF DEFENSE
SAN DIEGO, CA
NAICS 541720
Posted Oct 20, 2025

H246-Water Sampling Service SDVOSB set-aside

VETERANS AFFAIRS, DEPARTMENT OF
TAMPA, FL
NAICS 541380
Posted Oct 20, 2025
SDVOSB

FY2026 USPS OIG Broad Agency Announcement

POSTAL SERVICE
PHILADELPHIA, PA
NAICS 541990
Posted Oct 20, 2025
Due Sep 30, 2026
No Set Aside
247 days left