All Other Professional, Scientific, and Technical Services

576 active contract opportunities

576

Active Opportunities

507

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • All Other Professional, Scientific, and Technical Services576

Set-Aside Distribution

  • 416
  • Small Business53
  • No Set Aside41
  • SDVOSB30
  • Small Business Set Aside - Total12

Top Locations

  • CO173
  • VA61
  • DC58
  • 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.

H-ITM Guaranteed Minimum

INTERIOR, DEPARTMENT OF THE
Washington, DC
NAICS 541990
Posted Sep 24, 2026

Justification and Approval for IDIQ Contract to Astrotech Space Operations LLC for payload processing services in support of SDA Transport Layer Tranche 2 (TLT2) launches

DEPT OF DEFENSE
CHANTILLY, VA
NAICS 541990
Posted Sep 24, 2026

Redacted Justification and Approval for Other Than Full and Open Competition Authoritative Data Exchange and Database Subscription Services for the DHA Medical Logistics Directorate

DEPT OF DEFENSE
FORT DETRICK, MD
NAICS 541990
Posted Sep 24, 2026

FY26 CRRP Gate-1 Cylinder Rebuild

DEPT OF DEFENSE
CHARLESTON, SC
NAICS 541990
Posted Sep 24, 2026
Small Business Set Aside - Total

Award Notice of IDIQ Contract to Astrotech Space Operations LLC for payload processing services in support of SDA Transport Layer Tranche 2 (TLT2) launches

DEPT OF DEFENSE
CHANTILLY, VA
NAICS 541990
Posted Sep 24, 2026

ACC-APG Industry Update November 2026: Registration and request for topics

DEPT OF DEFENSE
ABERDEEN PROVING GROU, MD
NAICS 541990
Posted Sep 24, 2026
Due Dec 16, 2026

USACE Enterprise-Wide Trident Services

DEPT OF DEFENSE
WILMINGTON, NC
NAICS 541990
Posted Sep 24, 2026
Due Oct 13, 2026

CEQ Solutions Marketplace and Public-Private Partnership Engagement Support Task Order 094-80JSC026F0110

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
HOUSTON, TX
NAICS 541990
Posted Sep 23, 2026
Due Oct 23, 2026
Small Business Set Aside - Total

Contractor Owned Contractor Operated Aviation Support Services - US ACIC ISR

DEPT OF DEFENSE
WARREN, MI
NAICS 541990
Posted Sep 23, 2026
Due Oct 7, 2026

Maintenance and Repair Services of Wind Profilers and Radiometers

DEPT OF DEFENSE
DUGWAY, UT
NAICS 541990
Posted Sep 23, 2026
No Set Aside

Romania Follow on (FY27)

DEPT OF DEFENSE
ABER PROV GRD, MD
NAICS 541990
Posted Sep 23, 2026
Due Oct 8, 2026

B-Whole Genome Sequencing Services

COMMERCE, DEPARTMENT OF
SEATTLE, WA
NAICS 541990
Posted Sep 22, 2026

B-DNA Sequencing of Commercially Important Groundfis

COMMERCE, DEPARTMENT OF
SEATTLE, WA
NAICS 541990
Posted Sep 22, 2026

Request for Information - Data Abstraction Services

DEPT OF DEFENSE
FORT DETRICK, MD
NAICS 541990
Posted Sep 22, 2026
Due Oct 2, 2026
8(a) Set-Aside

Notice of Intent (NOI) to Sole Source (SS) / Ted Stevens Center (TSC) Support Services

DEPT OF DEFENSE
WASHINGTON, DC
NAICS 541990
Posted Sep 22, 2026

Cotton Attribution IRMS

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 541990
Posted Sep 22, 2026

R-Autonomous Underwater Vehicle (AUV) Operation and

COMMERCE, DEPARTMENT OF
SEATTLE, WA
NAICS 541990
Posted Sep 22, 2026

R-Analysis of Autonomous Underwater Vehicle (AUV) In

COMMERCE, DEPARTMENT OF
SEATTLE, WA
NAICS 541990
Posted Sep 22, 2026

B-STUDENT SERVICE CONTRACT - SARA JULIAN

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Sep 21, 2026

Combined Synopsis/Solicitation for Commercial Items Agile Professional Services ("APS) Department of the Army

DEPT OF DEFENSE
ORLANDO, FL
NAICS 541990
Posted Sep 21, 2026
Due Oct 14, 2026
Small Business Set Aside - Total