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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 4951–5000 of 5824 bids that are currently: Active.
Denotes bidding opportunities that have been amended
| Virginia - US | Agency | Bid Type | Due Date | As PDF |
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HQ003420F0361 Limited Sources Justification
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Mar. 19, 2026 |
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Intent to Award: USGS NADP-NTN Site MT98
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Mar. 18, 2026 |
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U.S.-Ireland Research Translation and Commercialization Initiative
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Apr. 13, 2026 |
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Notice of Intent to Review ERIS Marketplace Solutions
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | May. 31, 2026 |
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DARPA-SN-26-52: RFI - Low Earth Orbit (LEO) and Medium Earth Orbit (MEO) Satellite Power Capability
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Mar. 27, 2026 |
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INDO-PACIFIC ENERGY AND CRITICAL MINERALS PROJECT SCOPING SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Mar. 30, 2026 |
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200 ARMICS Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 23, 2026 |
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Coal Mine Methane Capture and Utilization Program
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 10, 2026 |
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Air Quality Monitoring Equipment
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 19, 2026 |
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Pre-Management & Occupancy Review (PRE-MOR)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 10, 2026 |
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Certified Secure Scanning, Archiving, and Cataloging of Police Records
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 23, 2026 |
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Water Services Line Identification
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 29, 2026 |
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Water Storage Tank Diver
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 30, 2026 |
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Executive Recruiting Firm
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 14, 2026 |
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Legal Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 27, 2026 |
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OR-WARM SPRINGS NFH-WATER TESTING
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Mar. 30, 2026 |
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Audio Visual Production & Support Services (As Needed)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 31, 2026 |
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Photography and Yearbook Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 30, 2026 |
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Public Relations Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 19, 2026 |
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Defense Procurement Network
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Mar. 24, 2026 |
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NATO Business Opportunity: M&S Proof of Concepts - Centralized Data & EXCON-Simulation Automation for MDO
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Apr. 13, 2026 |
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| Washington - US | Agency | Bid Type | Due Date | As PDF |
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Tree Canopy Assessment
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 08, 2026 |
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Emergency Veterinarian Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 07, 2026 |
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Consultant
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 30, 2026 |
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AE Projected Upcoming Work
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 05, 2026 |
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Architectural and Planning Consulting
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 30, 2027 |
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Engineering, Surveying, and Design Consulting
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 30, 2027 |
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VISN 2 Bronx ESPC Project Facilitator Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Sep. 17, 2026 |
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Survey Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 23, 2026 |
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Strategic Planning Facilitation Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 20, 2026 |
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Transfer Zone Pavement Reconstruction
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Electrical Engineering Consulting
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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Circuit Breaker Testing
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Airport Master Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 18, 2026 |
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SOUNDER COACHES OVERHAUL ENGINEERING & INSPECTION SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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Civil Engineering and Surveying Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 27, 2026 |
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East Grandstands Renovation
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 19, 2026 |
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Corporate: Highlands Reservoir Water Main Improvements - Survey
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Corporate: Walla Walla Library Renovation - Surveying
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Corporate: Walla Walla Library Renovation - Arc Flash Study
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Engineering and Related Services for Trolley Overhead Catenary System
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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Expression of Interest - Site Wide Ground Scan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Mar. 31, 2026 |
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Engineering Consultants for Bridge Replacement Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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Smokey Point Transit Center Expansion (SPTCX) Final Design
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 06, 2026 |
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DECOMMISSIONING of MONITORING WELLS and GAS PROBES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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On-call Construction Materials Testing and Inspection
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 24, 2026 |
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Ranney Collector 5 (RC5) Treatment Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 24, 2026 |
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Central Campus Zero Emissions Infrastructure (CCZE) Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 02, 2026 |
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ON-CALL SURVEYING AND\/OR CULTURAL RESOURCES PROFESSIONAL SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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SCADA AND ELECTRICAL ENGINEERING SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 18, 2026 |
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