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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 4801–4850 of 5686 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Virginia - US Due Date
Workplace Assessments
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 21, 2026
Armory Support Specialist II support services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Presolicitation Notice for Sole Source in Gloucester, VA
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Next Generation Hypersonic Cruise Missile Industry Day
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
LEARN TO SWIM
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Executive Search Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 01, 2026
Virginia Grown Farm-to-School Products Distribution Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 21, 2026
Trustee Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
North Main Revitalization Plan
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 29, 2026
SUBSTANCE USE DISORDER WITHDRAWAL MANAGEMENT AND INTENSIVE RESIDENTIAL SERVICES
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 02, 2026
USACE - Industry Day 2026
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 19, 2026
HUBBLE Proposers Day
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Land Assemblage Study
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 02, 2026
Facility Duress & Access Controls Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Sealing Services for Brick, Masonry, or Concrete
54 - Professional, Scientific, and Technical Services
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Sep. 22, 2026
Organizational Study and Staffing Analysis
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 06, 2026
Innovative Maternal Care
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 06, 2026
Community Paramedicine
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 06, 2026
AK-DIV OF MIG BIRDS-MURRELET FINAL REPOR
54 - Professional, Scientific, and Technical Services
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Sep. 19, 2026
CA-KLAMATH BSN NWR-VC EXHIBITS
54 - Professional, Scientific, and Technical Services
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Sep. 19, 2026
USACE History Office (CEHO) Historical Support Services BPA
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 21, 2026
ON-SITE HEAVY EQUIPMENT TECHNICIAN
54 - Professional, Scientific, and Technical Services
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Oct. 06, 2026
RAIN GRANT PROGRAM
54 - Professional, Scientific, and Technical Services
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Oct. 06, 2026
USACE History Office (CEHO) Historical Support Services BPA
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 21, 2026
Resilient Ultra Short Pulsed Laser Sources - RFI
54 - Professional, Scientific, and Technical Services
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Nov. 20, 2026
Atomically Precise Molecules (APM) Proposers Day
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026
Provision and administration of psychological evaluation and testing services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 08, 2026
USACE History Office (CEHO) Historical Support Services BPA
54 - Professional, Scientific, and Technical Services
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Sep. 21, 2026
TTO Office-Wide Solicitation Proposers Day
54 - Professional, Scientific, and Technical Services
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Sep. 29, 2026
NSN 1560-007282260, TUBE, BLEED AIR
54 - Professional, Scientific, and Technical Services
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Sep. 15, 2026
USACE History Office (CEHO) Historical Support Services BPA
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 21, 2026
DRPM RAS Industry Day
54 - Professional, Scientific, and Technical Services
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Sep. 24, 2026
SPECIAL NOTICE OF INTENT TO AWARD A SOLE SOURCE CONTRACT
54 - Professional, Scientific, and Technical Services
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Sep. 21, 2026
SIGMA EX RFI
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 01, 2026
Industrial Security Support Services (IS3)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 21, 2026
Request for Information
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2026
AK-DILLINGHAM ADMIN-TOGIAK NWR - ASBESTO
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Fall Reverse Vendor Fair
54 - Professional, Scientific, and Technical Services
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Sep. 23, 2026
Grown Farm-to-School Products Distribution
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 21, 2026
Commonwealth Wastewater Infrastructure Needs Assessment (CWNA) and Clean Watersheds Needs Survey (CWNS) Data Collection, Analysis and Reporting Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 09, 2026
WEATHER RELATED EMERGENCY SERVICES
54 - Professional, Scientific, and Technical Services
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Oct. 07, 2026
Tolling Consultant Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 07, 2026
DARPA Surgical Competition (DSC) Industry Day
54 - Professional, Scientific, and Technical Services
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Sep. 16, 2026
Industry Day: DARPA Documentation & Decision Support Sprint (D2)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 20, 2026
DoW\/DoN Technology Transfer Program Management Support
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 25, 2026
Sanitation Enterprise Fund Rate Study
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 29, 2026
Invitation to Submit Pre-Proposals
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 10, 2026
Blue Catfish Processing, Flash Freezing & Infrastructure
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 30, 2026
AFID Infrastructure
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 30, 2026
Consulting Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 13, 2026

Showing 4801–4850 of 5686 bids that are currently: Active.