All Other Professional, Scientific, and Technical Services

543 active contract opportunities

543

Active Opportunities

440

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • All Other Professional, Scientific, and Technical Services543

Set-Aside Distribution

  • 378
  • Small Business53
  • No Set Aside44
  • SDVOSB28
  • Small Business Set Aside - Total15

Top Locations

  • CO167
  • VA60
  • MD47
  • DC46
  • TX33

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.

Morgantown Field Office (MFO) Insect Taxonomy Support

AGRICULTURE, DEPARTMENT OF
NEWTOWN SQUARE, PA
NAICS 541990
Posted Sep 9, 2026
Due Sep 17, 2026
No Set Aside

B-Sources Sought Notice

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Sep 9, 2026
Due Sep 11, 2026
Small Business Set Aside - Total

Pre-Solicitation Notice with Intent to Sole Source R&D Technology Support Services for Extension Upgrade to Avicenna Turbo Note

VETERANS AFFAIRS, DEPARTMENT OF
PITTSBURGH, PA
NAICS 541990
Posted Sep 9, 2026
Due Sep 18, 2026
No Set Aside

Q-Clonal hematopoiesis of indeterminate potential (CHIP)-Targeted assay

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
BETHESDA, MD
NAICS 541990
Posted Sep 9, 2026
Due Sep 14, 2026

Underground Storage Tank Inspection & Repair IDIQ

DEPT OF DEFENSE
EDWARDS AFB, CA
NAICS 541990
Posted Sep 9, 2026
Due Sep 17, 2026
Small Business Set Aside - Total

Maintenance and Repair Services of Wind Profilers and Radiometers

DEPT OF DEFENSE
DUGWAY, UT
NAICS 541990
Posted Sep 9, 2026
Due Sep 14, 2026
No Set Aside

National Historic Preservation Act (NHPA) Survey and Evaluation

DEPT OF DEFENSE
FORT CAMPBELL, KY
NAICS 541990
Posted Sep 9, 2026
Due Sep 14, 2026
WOSB

SP-POL-CMP-INSPECT-NVL-PO 35

DEPT OF DEFENSE
OMAHA, NE
NAICS 541990
Posted Sep 9, 2026
Due Sep 14, 2026
SDVOSB

Compilation of Ocean-Going Self-Propelled Deep-Draft Vessel Operating Costs (DDVOCs)

DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541990
Posted Sep 9, 2026
Due Sep 22, 2026

Post-Construction Environmental Compliance Monitoring Services in support of MT FLAP BOR 2980(1) Sun River Bridge Replacement

TRANSPORTATION, DEPARTMENT OF
VANCOUVER, WA
NAICS 541990
Posted Sep 8, 2026
Due Sep 15, 2026
Small Business Set Aside - Total

G6 AV Support Services

DEPT OF DEFENSE
SNEADS FERRY, NC
NAICS 541990
Posted Sep 8, 2026
Due Sep 17, 2026
Small Business Set Aside - Total

Independent External Peer Reviews for the US Army Corps of Engineers

DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541990
Posted Sep 8, 2026

TECHNICAL COLLECTION AND COMMUNICATIONS FIELD SUPPORT AND TRAINING Follow-On

DEPT OF DEFENSE
TAMPA, FL
NAICS 541990
Posted Sep 8, 2026
Due Sep 23, 2026

Sequencing Services for Prnp Genotyping.

AGRICULTURE, DEPARTMENT OF
MINNEAPOLIS, MN
NAICS 541990
Posted Sep 4, 2026
Due Sep 15, 2026
No Set Aside

711th HPW Mission Support Services MAC IDIQ

DEPT OF DEFENSE
WRIGHT PATTERSON AFB, OH
NAICS 541990
Posted Sep 4, 2026
Due Sep 16, 2026
8(a) Set-Aside

International Organization for Standards (ISO) 17025 Accreditation

AGRICULTURE, DEPARTMENT OF
Atlanta, GA
NAICS 541990
Posted Sep 3, 2026
Due Sep 24, 2026
Small Business Set Aside - Total

D-Intent to Award

INTERIOR, DEPARTMENT OF THE
RESTON, VA
NAICS 541990
Posted Sep 3, 2026

R-Science and Technical Support Services (STSSC) For Core Science Systems (CSS) and Rocky Mountain Region (RMR) - Add Additional Labor Categories and change key personnel.

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Sep 3, 2026

Multi X Office (MXO01) Operations Support Services

DEPT OF DEFENSE
ARLINGTON, VA
NAICS 541990
Posted Sep 3, 2026
No Set Aside

TECOM Range and Training Area Management (RTAM) Support Services M00264-26-R-0005

DEPT OF DEFENSE
QUANTICO, VA
NAICS 541990
Posted Sep 3, 2026
Due Sep 24, 2026
Small Business Set Aside - Total