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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 5001–5050 of 5705 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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\u200B\u200BGround Service Equipment Inspection\u200B
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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Engineering Services for the Regional Trail Hub Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 05, 2026 |
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Dam Safety Settlement, Alignment and Monitoring Surveying Support Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 15, 2025 |
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Building and Material Testing
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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Culvert Replacement Project \u2013 Design Phase II
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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Safe Streets For All (SS4A) Safety Action Plan
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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Infrastructure Safety Support Services
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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Multidisciplinary 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 | Jan. 08, 2026 |
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Tree Canopy, Mapping, and Overburdened Community
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 24, 2025 |
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Corporate: Mountains to Sound Greenway Trail - 142nd to 150th - Survey
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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Fishermen's Terminal Rehabilitation Design
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 05, 2026 |
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Skyway Westhill Community Center Project
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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Hamlin Modular & Rehabilitation Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 06, 2026 |
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Crane\/Hoist Inspections, Load Testing and Repairs
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 Transit and Streetcar Improvements
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 23, 2026 |
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Combustion IC and Profiler-F Installation and Training
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Dec. 23, 2025 |
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LEAK TEST DEMONSTRATION OF A REPRESENTATIVE SPENT NUCLEAR FUEL TRANSPORTATION CANISTER
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jan. 13, 2026 |
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Professional Architectural\/Engineering Consultant Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 09, 2026 |
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Financial Technical Consulting 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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AGENCYWIDE COMMUNITY COMPENSATION
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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Audit, Assurance 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. 02, 2026 |
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OFFSHORE CODING AND AUDIT SUPPORT SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 27, 2026 |
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On-Call Recruitment Marketing and Media Buying
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 11, 2026 |
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Domestic Agricultural Rep. (DAR) Mid-Atlantic
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 05, 2026 |
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Information Technology 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, 2025 |
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High-Resolution Mobile Monitoring
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 15, 2025 |
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Enterprise Asset Management Software & 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. 12, 2025 |
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IT Managed Services Provider
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 12, 2026 |
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Use of Artificial Intelligence
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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IT-Manged Workforce and Staff Augmentation
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 08, 2026 |
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VXRail Support
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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CTF Active Global Equity Managers
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 31, 2027 |
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Conservation and Environmental Issues 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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Human Resources and Workplace Management 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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Audit, Financial, and Asset Management 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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General Project and Program Management 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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Program Management and Owner Advisor Services
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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Prescription Reporting Expansion
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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Program Management 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. 06, 2026 |
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Program Management 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. 06, 2026 |
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SHORE FRIENDLY OUTREACH AND TECHNICAL ASSISTANCE
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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Technical Assistance Program for Strategic Hydrogen End-Uses
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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CTF Active Emerging Markets Managers
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 31, 2027 |
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Forensic Pathologist Locum Tenens
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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NUWC Division Keyport Industry Engagement - Wednesday with the Deputy for Small Business
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Dec. 17, 2025 |
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NUWC Division Keyport Industry Engagement - Wednesday with the Deputy for Small Business
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Dec. 17, 2025 |
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NUWC Division Keyport Industry Engagement - Wednesday with the Deputy for Small Business
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Dec. 17, 2025 |
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NUWC Division Keyport Industry Engagement - Wednesday with the Deputy for Small Business
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Dec. 17, 2025 |
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NUWC Division Keyport Industry Engagement - Wednesday with the Deputy for Small Business
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Dec. 17, 2025 |
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NUWC Division Keyport Industry Engagement - Wednesday with the Deputy for Small Business
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Dec. 17, 2025 |
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