Professional, Scientific, and Technical Services

4,135 active contract opportunities

4,135

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Top Industries

  • Engineering Services706
  • Other Computer Related Services621
  • Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)562
  • All Other Professional, Scientific, and Technical Services311
  • Administrative Management and General Management Consulting Services216

Set-Aside Distribution

  • 2707
  • Small Business470
  • No Set Aside445
  • SDVOSB321
  • 8(a) Sole Source57

Top Locations

  • VA642
  • DC519
  • MD372
  • 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.

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Space Data Network (SDN) Mission Operations Center (MOC)

DEPT OF DEFENSE
EL SEGUNDO, CA
NAICS 541715
Posted Jan 24, 2026
Due Feb 28, 2026
33 days left

Combat Identification Automated Target Recognition Technology (CATCH) Call 05

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NAICS 541715
Posted Jan 24, 2026
Due Feb 23, 2026
No Set Aside
29 days left

EDIS - Conserve West Bedroom Rug

INTERIOR, DEPARTMENT OF THE
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NAICS 541990
Posted Jan 24, 2026
Due Mar 4, 2026
Small Business
38 days left

B-BPA Call for Inorganic Parameters in Water - WET L

INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 541380
Posted Jan 23, 2026

C-ACAD 309000 1C - TITLE III

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 541330
Posted Jan 23, 2026

Sources Sought: Study- For CRC (Power, Fuel, Data, Water, Air Handling & Transportation)

DEPT OF DEFENSE
HILL AFB, UT
NAICS 541990
Posted Jan 23, 2026
Due Feb 12, 2026
18 days left

2026 JB CHS Air Show Traffic/Parking Management and Ticketing Agent Services

DEPT OF DEFENSE
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NAICS 541614
Posted Jan 23, 2026
Due Jan 30, 2026
Small Business
5 days left

$238M SPK Civil Works AE MATOC

DEPT OF DEFENSE
SACRAMENTO, CA
NAICS 541330
Posted Jan 23, 2026
Due Feb 23, 2026
29 days left

Justification for Exception to Fair Opportunity (JEFO), Waterfront Design Services for USCG AIRSTA/SECTOR Port Angeles, WA

HOMELAND SECURITY, DEPARTMENT OF
OAKLAND, CA
NAICS 541330
Posted Jan 23, 2026

R-Student Service Contract-RYAN STICH

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541715
Posted Jan 23, 2026

White Sands Missile Range B21223 HAZMAT Survey

DEPT OF DEFENSE
ALBUQUERQUE, NM
NAICS 541620
Posted Jan 23, 2026
8(a) Sole Source

B-UMESC WATER SAMPLE ANALYSIS

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541380
Posted Jan 23, 2026
Due Feb 11, 2026
Small Business
17 days left

D-NOTICE OF INTENT TO SOLE SOURCE FOR IT SERVICES

INTERIOR, DEPARTMENT OF THE
Albuquerque, NM
NAICS 541519
Posted Jan 23, 2026

AOI 26-A002: Specter- Container-Native Platform for Navy Tactical and Enterprise Applications

DEPT OF DEFENSE
NORTH CHARLESTON, SC
NAICS 541715
Posted Jan 23, 2026
Due Jan 30, 2026
5 days left

Justification for Sole Source to Rensselaer Polytechnic Institute

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
ATLANTA, GA
NAICS 541715
Posted Jan 23, 2026

NESA - Senior Executive Forum Interpretation Services

DEPT OF DEFENSE
WASHINGTON, DC
NAICS 541930
Posted Jan 23, 2026
Due Jan 28, 2026
2 days left

Design of modifying the Vehicle Assembly Building (VAB) High Bay 3 (HB-3) for the Space Launch System (SLS) Phase 3, PCN 99500.4

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
KENNEDY SPACE CENTER, FL
NAICS 541330
Posted Jan 23, 2026

Mission Support Operations Contract (MSOC)

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
HOUSTON, TX
NAICS 541715
Posted Jan 23, 2026
Due Feb 6, 2026
11 days left

Justification for Sole Source to Harris Telecom LLC

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
ATLANTA, GA
NAICS 541910
Posted Jan 23, 2026

VA Wide- Third Party Fire and Life Safety Services-Blanket Purchase Agreement

VETERANS AFFAIRS, DEPARTMENT OF
INDEPENDENCE, OH
NAICS 541330
Posted Jan 23, 2026
Due Feb 9, 2026
15 days left
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