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The Professional, Scientific, and Technical Services sector comprises establishments that specialize in performing professional, scientific, and technical activities for others. These activities require a high degree of expertise and training. The establishments in this sector specialize according to expertise and provide these services to clients in a variety of industries and, in some cases, to households. Activities performed include: legal advice and representation; accounting, bookkeeping, and payroll services; architectural, engineering, and specialized design services; computer services; consulting services; research services; advertising services; photographic services; translation and interpretation services; veterinary services; and other professional, scientific, and technical services. This sector excludes establishments primarily engaged in providing a range of day-to-day office administrative services, such as financial planning, billing and recordkeeping, personnel, and physical distribution and logistics. These establishments are classified in Sector 56, Administrative and Support and Waste Management and Remediation Services.

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Showing 5201–5250 of 5736 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Washington D.C. - US Due Date
Accelerated Distribution Support for 2026 Semi Quincentennial Circulating Coin Initiative
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 30, 2026
Legal and Strategic Advisory Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 06, 2026
Special Notice
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 09, 2026
R425 - Specialized Technical and Analytical Support Services in Support of ASN (EI&E)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 03, 2026
Reasonable Accommodations Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 03, 2026
Legal Case & Document Management System
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 17, 2026
Retirement Calculator
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 03, 2026
Area of Interest for Case Development Modernization (CDM)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 08, 2026
Administrative Hearing Officers
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 01, 2026
Specialized Legal Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
0170 - SFA Actuarial Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
Legal Advisory Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 30, 2026
Legal and Strategic Advisory Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 06, 2026
NRL Long Range Broad Agency Announcement (BAA) for Basic and Applied Research
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2026
RFI\/SSN for Host Directed Therapeutics for the Prevention of Progression to ARDS
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 15, 2026
Declassification Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 15, 2026
Spectrum Valuation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 15, 2026
Federal Bureau of Investigation (FBI) - Office of Chief Information Officer (OCIO) Innovation Ventures Office (IVO) Broad Agency Announcement (BAA)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 16, 2027
 
 
West Virginia - US Due Date
ENGINEERING SERVICES
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 10, 2026
AML-Shinnston Area Wide Drilling & Grouting Design Build
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 23, 2026
McKINLEY ARCHITECTURE AND ENGINEERING
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
CMAR - Agricultural Laboratory
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 20, 2026
CONSTRUCTION MANAGER AT RISK
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 04, 2026
Structural, Electrical and Mechanical Engineering Design Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
CONSTRUCTION MANAGER AT RISK
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 20, 2026
Life Safety Generator Testing
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 10, 2026
Chiller\/HVAC Design and Engineering Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 16, 2026
Lottery Nightly Drawing Auditing Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 02, 2026
Public Performance Licensing
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 16, 2026
Cybersecurity and Physical Security Assessment
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 13, 2026
Website
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 01, 2026
AppEnhancer\/Appl Content Management Software Main & Support
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
Cisco Threat Detection Subscription - Cisco Smart Licensing
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 09, 2026
Rhapsody Maintenance and Support
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 06, 2026
Threat Screening Center AI Enhancement
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 10, 2026
Kace Management Appliance Support
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 08, 2026
Stat Exam of Scrip World LLC dba Meritain Pharmacy Solution
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 20, 2026
IT Temporary Staffing Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 14, 2026
U.S. Customs and Border Protection Less Lethal Specialty Impact\/Chemical Munitions (LLSI CM) Request for Information
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 24, 2026
Kanawha State Forest Outdoor Recreation Opportunity Assessment and Vision
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 06, 2026
Homeland Response Force Sustainment CTE Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 24, 2026
167th AW Fire Alarm Inspections
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 03, 2026
LEGAL SERVICES
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 06, 2026
Fertilizer Testing Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 14, 2026
Road Analyzer Maintenance
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 06, 2026
 
 
Wisconsin - US Due Date
PLANNING & URBAN DESIGN SERVICES
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 10, 2026
Landfill Construction Quality Assurance (CQA) Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 02, 2026
ARCHITECTURAL \/ ENGINEERING SERVICES - Plamann Park Office & Shop
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
On-Call Engineering Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 02, 2026
Traffic Signal Modification Design Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 02, 2026

Showing 5201–5250 of 5736 bids that are currently: Active.