All Other Professional, Scientific, and Technical Services

470 active contract opportunities

470

Active Opportunities

443

Posted Last 7 Days

30 days

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Top Industries

  • All Other Professional, Scientific, and Technical Services467
  • All Other Professional, Scientific, and Technical Services3

Set-Aside Distribution

  • 324
  • Small Business63
  • No Set Aside44
  • SDVOSB24
  • 8(a) Competed6

Top Locations

  • CO131
  • DC51
  • VA46
  • MD40
  • TX32

About NAICS54199

The North American Industry Classification System (NAICS) code 54199 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.

Air Operations Center Replication Cell (AOC RC) Support

DEPT OF DEFENSE
HAMPTON, VA
NAICS 541990
Posted Jul 27, 2026
Due Aug 12, 2026
No Set Aside

J042-Fire Alarm System Inspection, Testing, Maintenance, and Certification Services at the Bedford VA Medical Center

VETERANS AFFAIRS, DEPARTMENT OF
TOGUS, ME
NAICS 541990
Posted Jul 27, 2026
Due Aug 10, 2026
SDVOSB

Enterprise Logistics and Installation Support Services Commercial Solutions Opening (CSO)

DEPT OF DEFENSE
ROCK ISLAND, IL
NAICS 541990
Posted Jul 27, 2026
No Set Aside

B-S. UDDIN - NEW SC

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Jul 25, 2026

Functional MRI following Transcranial Direct Current Stimulation (tDCS)

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
BETHESDA, MD
NAICS 541990
Posted Jul 24, 2026
Due Aug 3, 2026
No Set Aside

Re-Posting Solicitation: W911QY-26-R-A007 - Capability Program Executive - Ground (Soldier Systems), Project Manager Soldier Medical Devices (PM SMD), Materiel Fielding and Medical Liaison Support Services

DEPT OF DEFENSE
NATICK, MA
NAICS 541990
Posted Jul 24, 2026
Due Aug 13, 2026
Small Business

R-Counter Nuclear Smuggling System Deployment (CNSSD

ENERGY, DEPARTMENT OF
ALBUQUERQUE, NM
NAICS 541990
Posted Jul 24, 2026

R-NEW SSC CELIA RATELIFF

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Jul 24, 2026

Notice of Intent to Sole Source Lori Carson Consulting LLC

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
BETHESDA, MD
NAICS 541990
Posted Jul 24, 2026

Collecting Eye Tracking and Vehicle Kinematics Data from Alternative Intersection and Interchange Sites

TRANSPORTATION, DEPARTMENT OF
WASHINGTON, DC
NAICS 541990
Posted Jul 24, 2026
Due Aug 11, 2026
No Set Aside

R408-Radiation Oncology Assessment Services

VETERANS AFFAIRS, DEPARTMENT OF
LINTHICUM, MD
NAICS 541990
Posted Jul 23, 2026
Small Business

H-NCAO Fire Extinguisher and CO2 Services

INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 541990
Posted Jul 23, 2026

MALU ETHNOGRAPHIC OVERVIEW MLK, JR. NHP

INTERIOR, DEPARTMENT OF THE
ATLANTA, GA
NAICS 541990
Posted Jul 23, 2026
Due Aug 13, 2026
Small Business

H-Aquatic Invasive Species Watercraft Inspection and

INTERIOR, DEPARTMENT OF THE
SALT LAKE CITY, UT
NAICS 541990
Posted Jul 22, 2026

NASA Commercial Satellite Data Acquisition (CSDA) and Evaluation of Data in Support of Sustainable Land Imaging (SLI) Commercialization

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
WASHINGTON, DC
NAICS 541990
Posted Jul 22, 2026
Due Aug 6, 2026
No Set Aside

Biometrics Operations Division Examination Support Services

DEPT OF DEFENSE
PICATINNY ARSENAL, NJ
NAICS 541990
Posted Jul 22, 2026
Due Aug 5, 2026
No Set Aside

Aeronautics and Space Programs and Policies Studies (ASPPS)

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
WASHINGTON, DC
NAICS 541990
Posted Jul 22, 2026
Due Aug 6, 2026
No Set Aside

Medical Instructor/Operator Support Services (MIOSS)

DEPT OF DEFENSE
ORLANDO, FL
NAICS 541990
Posted Jul 22, 2026
Due Aug 24, 2026
Small Business

Engine Water Sample Testing for MH-65E aircraft

HOMELAND SECURITY, DEPARTMENT OF
Elizabeth City, NC
NAICS 541990
Posted Jul 22, 2026
Due Aug 10, 2026
Small Business

Request for Information (RFI)/Sources Sought (SS) Notice -FHWA Office of Highway Policy Information (HPL) National Performance Management Research Data Set (NPMRDS)

TRANSPORTATION, DEPARTMENT OF
WASHINGTON, DC
NAICS 541990
Posted Jul 22, 2026
Due Aug 5, 2026
No Set Aside