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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 5451–5500 of 6090 bids that are currently: Active.
Denotes bidding opportunities that have been amended
| Washington - US | Agency | Bid Type | Due Date | As PDF |
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Update of Water Comprehensive Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 23, 2025 |
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Professional Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 16, 2025 |
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Public Farmland Manager
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 19, 2025 |
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Clean Buildings Compliance Support
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 04, 2026 |
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Corporate: Mountains to Sound Greenway Trail - 142nd to 150th - Traffic Control
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 17, 2025 |
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Corporate: Mountains to Sound Greenway Trail - 142nd to 150th - Geotechnical Instrumentation & Monitoring
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 17, 2025 |
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Corporate: Lenora Regional Stormwater Facility - Traffic Control
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 09, 2025 |
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Public Opinion Research
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 19, 2026 |
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Conflict Public Defense Services
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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Race and Social Justice 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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Legal Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 10, 2025 |
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PART-TIME COMMISSIONER & PRO TEMPORE JUDGE
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 09, 2026 |
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Hazardous Waste Management Program Strategic Communications & Policy Support
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 22, 2025 |
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On-Call Environmental Consulting Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 15, 2026 |
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On-Call Professional Environmental Review Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 12, 2025 |
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ECOLOGICAL SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 16, 2025 |
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Interpreter Services Coordinating Entity
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 07, 2026 |
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Public Safety and Emergency Preparedness 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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| Washington D.C. - US | Agency | Bid Type | Due Date | As PDF |
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BROAD AGENCY ANNOUNCEMENT: Operational Analysis, SSN\/SSGN Survivability Program (S3P), and Hull, Mechanical and Electrical (HM&E) Materials, Design Concepts, and Technologies for Future Submarine Platforms
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Oct. 31, 2026 |
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NAWCWD FY25 Long Range Acquisition Forecast (LRAF)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jan. 30, 2026 |
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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) |
login to see | Federal Prebids | May. 16, 2026 |
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BROAD AGENCY ANNOUNCEMENT: Operational Analysis, SSN\/SSGN Survivability Program (S3P), and Hull, Mechanical and Electrical (HM&E) Materials, Design Concepts, and Technologies for Future Submarine Platforms
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Oct. 31, 2026 |
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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) |
login to see | Federal Prebids | May. 16, 2026 |
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AN\/SPY-6(V) Production RFI\/Sources Sought - Copy 1
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jan. 19, 2026 |
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Policy, Engineering, Analysis, and Research Contract (PEARS III)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jan. 21, 2026 |
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DESIGN-BUILD SERVICES FOR SHARPE HEALTH SCHOOL HVAC UPGRADES AND ROOF REPLACEMENT
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 19, 2025 |
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Request for Information: Professional Services (Engineers and Financial\/Program Management)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Dec. 09, 2025 |
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ADA Improvements
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 29, 2026 |
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2027 Flight Test Instrumentation (FTI)Development, Production, Support, and Installation
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Dec. 17, 2025 |
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Professional 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 | Dec. 31, 2025 |
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AN\/SPY-6(V) Production RFI\/Sources Sought - Copy 1
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jan. 19, 2026 |
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Financial Statement Audit Services for the U.S. Government Publishing Office (GPO)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Dec. 15, 2025 |
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Financial Statement Audit Services for the U.S. Government Publishing Office (GPO)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Dec. 15, 2025 |
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Capital Bikeshare Operation, Maintenance and Marketing
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 16, 2026 |
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National employer marketing and recruitment efforts
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Dec. 12, 2025 |
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Dell Data Domain Maintenance
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Apr. 19, 2026 |
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TikTok Notification to HUD Industry Partners
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Apr. 18, 2028 |
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Digital Customer Care
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Dec. 30, 2025 |
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Applicant Tracking System
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jul. 16, 2026 |
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IMMIGRATION AND CUSTOMS ENFORCEMENT VENDOR ENGAGEMENT DAY
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Dec. 17, 2027 |
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IMMIGRATION AND CUSTOMS ENFORCEMENT VENDOR ENGAGEMENT DAY
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Dec. 17, 2027 |
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Tradewinds Solutions Marketplace
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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Steller Sea Lion Artificial Intelligence Image Processing and Counting Enhancement Effort
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Aug. 01, 2026 |
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Platform One Solutions Marketplace (P1SM)\/Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Sep. 22, 2026 |
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IT Support Specialist - Personal Services Contractor
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Dec. 26, 2025 |
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Care Center Technologies and Implementation Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 30, 2025 |
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Counter-Unmanned Aircraft Systems (C-UAS) Combined Synopsis\/Solicitation
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Dec. 08, 2025 |
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RFI: HAF\/A5 Advanced Wargaming and Simulation Technologies for Integrated Force Design
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jan. 09, 2026 |
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Small Business Event | Deloitte Consulting Virtual Business Opportunity Session | Cisco Webex Dec 9
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Dec. 08, 2025 |
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Counter-Unmanned Aircraft Systems (C-UAS) Combined Synopsis\/Solicitation
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Dec. 08, 2025 |
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