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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 4601–4650 of 5503 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Virginia - US Due Date
HAARP large scale blast testing and fragmentation characterization
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 18, 2026
Translation Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 25, 2026
Laboratory Accreditation Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 25, 2026
NATO Request for Innovative Participation: Persistent Airfield Denial
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 20, 2026
Defined Benefits and Contributions Retirement Plans & Post Employment Benefits Consulting Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 21, 2026
Citywide Strategic Planning
54 - Professional, Scientific, and Technical Services
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Jul. 23, 2026
Procurement Disparity Study
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 24, 2026
Vascular Access Services
54 - Professional, Scientific, and Technical Services
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Jun. 19, 2026
Healthcare Network
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 03, 2026
Workforce Assessment Consultation Services-Development of a Public Health Workforce Needs Assessment Tool
54 - Professional, Scientific, and Technical Services
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Jun. 23, 2026
Installment and Pre-Collect Payment Plans
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 09, 2026
Rapid Reconstitution of Space Capabilities
54 - Professional, Scientific, and Technical Services
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Jul. 08, 2026
1305M226Q0154 NGS CORS Processing Framework Development
54 - Professional, Scientific, and Technical Services
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Jun. 26, 2026
REQUEST FOR INFORMATION: Advanced Automation Contract (AAC)
54 - Professional, Scientific, and Technical Services
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Jul. 13, 2026
Commercial Solution Opportunity - Defense Commissary Agency (DeCA)
54 - Professional, Scientific, and Technical Services
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Dec. 31, 2028
Plan Providers for 403(b) and 457(b) Plans
54 - Professional, Scientific, and Technical Services
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Jun. 29, 2026
Consultants to Conduct a Hotel Feasibility Study
54 - Professional, Scientific, and Technical Services
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Jul. 15, 2026
Regional On-Call Consultant Program
54 - Professional, Scientific, and Technical Services
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Jul. 31, 2026
CIVIL NUCLEAR ENERGY PROJECT PROPOSAL REVIEW
54 - Professional, Scientific, and Technical Services
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Jul. 17, 2026
Lightweight Universal Codec (LUC) Proposers Day
54 - Professional, Scientific, and Technical Services
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Jul. 01, 2026
Military Sealift Command ITGMS MSC N6
54 - Professional, Scientific, and Technical Services
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Jun. 29, 2026
Lyndhurst Ponds Natural Area Preserve Agricultural Revenue
54 - Professional, Scientific, and Technical Services
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Jul. 02, 2026
Technical Surveillance Countermeasures (TSCM) \u2014 One-Time Survey Service
54 - Professional, Scientific, and Technical Services
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Jun. 23, 2026
MCICOM MCFMIS Follow-on Sources Sought
54 - Professional, Scientific, and Technical Services
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Jun. 24, 2026
COURT REPORTING AND TRANSCRIPTION SERVICES
54 - Professional, Scientific, and Technical Services
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Jun. 30, 2026
Legal Services for Office of the City Attorney
54 - Professional, Scientific, and Technical Services
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Jul. 07, 2026
Language Translation Services
54 - Professional, Scientific, and Technical Services
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Jul. 08, 2026
Laboratory Analysis Services
54 - Professional, Scientific, and Technical Services
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Jun. 26, 2026
Audio and Visual Support Services
54 - Professional, Scientific, and Technical Services
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Jul. 07, 2026
Photography and Yearbook Services
54 - Professional, Scientific, and Technical Services
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Jun. 30, 2026
Request for Information for U.S. National Science Foundation to establish NSF Tech Accelerators
54 - Professional, Scientific, and Technical Services
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Jul. 14, 2026
 
 
Washington - US Due Date
Consultant
54 - Professional, Scientific, and Technical Services
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Jun. 30, 2026
AE Projected Upcoming Work
54 - Professional, Scientific, and Technical Services
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Nov. 05, 2026
Architectural and Planning Consulting
54 - Professional, Scientific, and Technical Services
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Dec. 30, 2027
Engineering, Surveying, and Design Consulting
54 - Professional, Scientific, and Technical Services
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Dec. 30, 2027
VISN 2 Bronx ESPC Project Facilitator Services
54 - Professional, Scientific, and Technical Services
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Sep. 17, 2026
Crane Inspection and Testing Services
54 - Professional, Scientific, and Technical Services
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Jun. 24, 2026
Construction Management Services for Parks Division
54 - Professional, Scientific, and Technical Services
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Jun. 23, 2026
Professional Architectural\/Engineering Consultant Services for Animal Shelter Design
54 - Professional, Scientific, and Technical Services
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Jun. 25, 2026
Professional Animal Care Services for Animal Shelter
54 - Professional, Scientific, and Technical Services
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Jun. 25, 2026
Ultra Sonic Rail Inspection
54 - Professional, Scientific, and Technical Services
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Jun. 17, 2026
Work Order Construction Management Services
54 - Professional, Scientific, and Technical Services
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Jun. 23, 2026
Corporate: Frypan Creek Bridge - SWPPP Plan
54 - Professional, Scientific, and Technical Services
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Jun. 18, 2026
Corporate: Frypan Creek Bridge - Surveying
54 - Professional, Scientific, and Technical Services
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Jun. 18, 2026
Corporate: Frypan Creek Bridge - QC Testing
54 - Professional, Scientific, and Technical Services
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Jun. 18, 2026
Consultant
54 - Professional, Scientific, and Technical Services
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Jun. 30, 2027
Progressive Design-Build Services
54 - Professional, Scientific, and Technical Services
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Jun. 23, 2026
On Call Material Testing Services
54 - Professional, Scientific, and Technical Services
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Jun. 19, 2026
On Call Right-of-Way Services
54 - Professional, Scientific, and Technical Services
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Jun. 19, 2026
On-Call Utility Engineering Services
54 - Professional, Scientific, and Technical Services
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Jun. 19, 2026

Showing 4601–4650 of 5503 bids that are currently: Active.