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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 4401–4450 of 5168 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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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 | May. 22, 2026 |
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NCIS CYBER SECURITY REQUIREMENT
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | May. 28, 2026 |
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Metal Aircraft Sunshades Maintenance
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | May. 27, 2026 |
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Novel Surface Enhanced Raman Spectroscopy (SERS) Scanning Technology for Biodetection
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | May. 29, 2026 |
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Cybersecurity and Privacy Support Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | May. 28, 2026 |
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Engineering Services for Physical Security Programs (PSP) and Defensive Equipment and Armored Vehicles (DEAV)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jun. 08, 2026 |
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Install Fire Dampers and Repair Rated Shaft Design
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jun. 11, 2026 |
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On-Person Screening and Alarm Resolution \tBroad Agency Announcement (BAA)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | May. 29, 2026 |
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Laboratory Testing Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jun. 08, 2026 |
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Geostationary Littoral Imaging and Monitoring Radiometer (GLIMR) Access to Space (ATS) \u201CGLIMR ATS\"
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jun. 22, 2026 |
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Cancellation Notice-Women's Health Quality Improvement
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | May. 22, 2026 |
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| Washington - US | Agency | Bid Type | Due Date | As PDF |
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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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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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Terminal Engineering General Engineering Consultant (GEC) Program
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 28, 2026 |
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May Creek Trail Bank Stabilization Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 19, 2026 |
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Transportation Planning and Pre-Engineering Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 22, 2026 |
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Desimone Levee Major Repair project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 22, 2026 |
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Corporate: Point Roberts Middle Mile Infrastructure Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 21, 2026 |
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Trail Renovations Phase 2
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 09, 2026 |
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Owner's Representative
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 26, 2026 |
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Professional Engineering, Environmental, Geotechnical, and Electrical Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 22, 2026 |
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Organizational Development & Design and Consulting Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 29, 2026 |
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Meridian Play Area Renovation and ADA Meridian RR Design
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 20, 2026 |
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Pivot - Hot Water Loop Phase 1
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 30, 2026 |
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Crossing Materials Testing
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 20, 2026 |
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Corporate: WS 1 - Wellhouses 3B & 5B - Quality Control Testing
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 19, 2026 |
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Corporate: WS 1 - Wellhouses 3B & 5B - Survey
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 19, 2026 |
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Corporate: PGSF WMVD Storm & Combined Sewer - Survey
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 19, 2026 |
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Corporate: PGSF WMVD Storm & Combined Sewer - CIPP
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 19, 2026 |
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HYDRAULIC DESIGN and FLOODPLAIN ANALYSIS
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 03, 2026 |
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On-Call Architectural and Engineering Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 04, 2026 |
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Architectural Design Firms
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 01, 2026 |
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Owner Advisor for Alternative Delivery
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 20, 2026 |
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Link Light Rail Bridge and Tunnel Inspection Services
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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Certification, Rapid DNA Instrument
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 28, 2026 |
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Engineering Design Lift Station Improvements
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 20, 2026 |
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Safety Improvements Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 08, 2026 |
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PACIFIC HIGHWAY NON-MOTORIZED TRAIL PH 3 & CONSTRUCTION INSPECTION
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 05, 2026 |
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Architectural and Engineering Design Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 27, 2026 |
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QUIET ZONE ENGINEERING
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 05, 2026 |
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Crane Inspection and Testing Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 24, 2026 |
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Construction Management Services for Parks Division
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 23, 2026 |
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Professional Architectural\/Engineering Consultant Services for Animal Shelter Design
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 25, 2026 |
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Professional Animal Care Services for Animal Shelter
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 25, 2026 |
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Auditing, collection and delivery of out of state unclaimed property
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 05, 2026 |
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Business Consulting Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 03, 2026 |
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