NAICS 541990in54199:All Other Professional, Scientific, and Technical Services

All Other Professional, Scientific, and Technical Services

442 active contract opportunities

442

Active Opportunities

414

Posted Last 7 Days

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Top Industries

  • All Other Professional, Scientific, and Technical Services442

Set-Aside Distribution

  • 291
  • Small Business63
  • No Set Aside46
  • SDVOSB24
  • 8(a) Competed9

Top Locations

  • CO108
  • MD49
  • VA43
  • DC42
  • TX32

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.

SAM.gov Registration →|Set-Aside Programs →

Related Industries

541110:Offices of Lawyers541120:Offices of Notaries541191:Title Abstract and Settlement ...541199:All Other Legal Services541211:Offices of Certified Public Ac...541213:Tax Preparation Services

Request for Information - Construction and Facilities Engineering Records Management Program Administrative and CAD Support Services

ENERGY, DEPARTMENT OF
Lemont, IL
NAICS 541990
Posted Jun 19, 2026
Due Jul 3, 2026
No Set Aside

Real Property Support Services III Solicitation

DEPT OF DEFENSE
REDSTONE ARSENAL, AL
NAICS 541990
Posted Jun 18, 2026
Due Jul 8, 2026

Real Property Support Services III Solicitation

DEPT OF DEFENSE
REDSTONE ARSENAL, AL
NAICS 541990
Posted Jun 18, 2026
Due Jul 8, 2026
8(a) Competed

BLK-MBR-NEB Heritage IDIQ 2026-2031

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 541990
Posted Jun 18, 2026
Due Jun 22, 2026
Small Business

Chicken Egg & Select Seafood Price Data

LABOR, DEPARTMENT OF
WASHINGTON, DC
NAICS 541990
Posted Jun 18, 2026
Due Jul 3, 2026
No Set Aside

SSCO NPOR MANET F-GCS Installation and Integration Services

DEPT OF DEFENSE
JOINT BASE MDL, NJ
NAICS 541990
Posted Jun 18, 2026
Due Jul 3, 2026
No Set Aside

PR16018614 - DoS-Sources Sought

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 541990
Posted Jun 18, 2026
Due Jun 23, 2026
Small Business

USPTO Patent Reclassification Services

COMMERCE, DEPARTMENT OF
ALEXANDRIA, VA
NAICS 541990
Posted Jun 18, 2026
Due Jul 7, 2026

R408-Radiation Oncology Assessment Services

VETERANS AFFAIRS, DEPARTMENT OF
LINTHICUM, MD
NAICS 541990
Posted Jun 18, 2026
Due Jul 2, 2026
Small Business

Request for Information, Insurance Rate Survey Information Subscription

PENSION BENEFIT GUARANTY CORPORATION
WASHINGTON, DC
NAICS 541990
Posted Jun 17, 2026
Due Jun 25, 2026
No Set Aside

National Centers for Environmental Information (NCEI) Western Regional Weather Records Center (WRWRC)

COMMERCE, DEPARTMENT OF
SILVER SPRING, MD
NAICS 541990
Posted Jun 17, 2026
Due Jun 26, 2026
No Set Aside

National Centers for Environmental Information (NCEI) Southern Regional Weather Records Center (SRWRC)

COMMERCE, DEPARTMENT OF
SILVER SPRING, MD
NAICS 541990
Posted Jun 17, 2026
Due Jun 26, 2026
No Set Aside

National Centers for Environmental Information (NCEI) Southeast Regional Weather Records Center (SERWRC)

COMMERCE, DEPARTMENT OF
SILVER SPRING, MD
NAICS 541990
Posted Jun 17, 2026
Due Jun 26, 2026
No Set Aside

National Centers for Environmental Information (NCEI) Northeast Regional Weather Records Center (NRWRC)

COMMERCE, DEPARTMENT OF
SILVER SPRING, MD
NAICS 541990
Posted Jun 17, 2026
Due Jun 26, 2026
No Set Aside

National Centers for Environmental Information (NCEI) Midwestern Regional Weather Records Center (MRWRC)

COMMERCE, DEPARTMENT OF
SILVER SPRING, MD
NAICS 541990
Posted Jun 17, 2026
Due Jun 26, 2026
No Set Aside

National Centers for Environmental Information (NCEI) High Plains Regional Weather Records Center (HPRWRC)

COMMERCE, DEPARTMENT OF
SILVER SPRING, MD
NAICS 541990
Posted Jun 17, 2026
Due Jun 26, 2026
No Set Aside

R-Science and Technical Support Services (STSSC) For

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Jun 17, 2026

Loan File Review for Risk Oversight Support Services

GENERAL SERVICES ADMINISTRATION
Washington, DC
NAICS 541990
Posted Jun 17, 2026
Due Jun 26, 2026
Small Business

SOLICITATION NOTICE - REQUEST FOR PROPOSAL (RFP) DATA SCIENCE, OPERATIONS, REQUIREMENTS, EXPLOITATION, AND ENHANCED ENGINEERING (DORE3)

DEPT OF DEFENSE
WASHINGTON, DC
NAICS 541990
Posted Jun 17, 2026
Due Jul 18, 2026
No Set Aside

Notice of Intent to Sole Source Personnel Security Support Services

ENERGY, DEPARTMENT OF
IDAHO FALLS, ID
NAICS 541990
Posted Jun 17, 2026
Due Jul 3, 2026
8(a) Sole Source
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