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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 3751–3800 of 5846 bids that are currently: Active.
Denotes bidding opportunities that have been amended
| Oregon - US | Agency | Bid Type | Due Date | As PDF |
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Eviction Legal Defense and Right to Counsel Pilot Program
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 09, 2026 |
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IDR Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 09, 2026 |
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Post-Construction Environmental Compliance Monitoring Services for OR FLAP GRANT 24(2) Granite Hill Road Reconstruction Phase II
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Sep. 01, 2026 |
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Post-Construction Environmental Compliance Monitoring Services for OR FLAP GRANT 24(2) Granite Hill Road Reconstruction Phase II
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Sep. 01, 2026 |
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Programmatic Environmental Assessments (PEA) for G
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Aug. 31, 2026 |
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Pathways to Multilingualism Grant
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 16, 2026 |
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BIRTH THROUGH FIVE LITERACY PRORAM EVALUATION SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 02, 2026 |
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Economic Impact Study
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 04, 2026 |
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Post-Construction Environmental Compliance Monitoring Services for OR FLAP GRANT 24(2) Granite Hill Road Reconstruction Phase II
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Sep. 10, 2026 |
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Programmatic Environmental Assessments (PEA) for G
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Aug. 31, 2026 |
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Impartial Hearings Officers
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 31, 2029 |
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Adoption Vendor Attorney 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, 2029 |
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Adult Protective Services Contract Attorneys
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 31, 2026 |
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Adult Protective Services Contract Attorneys
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 31, 2026 |
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Estate Administration Unit Contracted Attorney
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 23, 2027 |
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City Attorney Services - Labor
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 02, 2026 |
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Municipal Judge Contract Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 04, 2026 |
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PUBLIC DEFENSE ATTORNEY SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 04, 2026 |
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Environmental (Home) Modifications
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 31, 2028 |
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GNA Environmental Compliance and Planning Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 03, 2026 |
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Diagnostic Imaging Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 02, 2026 |
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Laboratory Relocation Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 01, 2026 |
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USFS R6 Drinking Water System PFAS Sampling and Analysis
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Sep. 01, 2026 |
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WEAPONS DETECTION SCREENING AND SURVEILLANCE SYSTEMS AND SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 04, 2026 |
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SIMULATION AND TRAINING FOR PUBLIC SAFETY
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 04, 2026 |
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Executive Recruitment Services; Police Chief
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 09, 2026 |
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Respirator Fit Testing Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 10, 2026 |
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The Dalles, Oregon
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Sep. 01, 2026 |
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| Palau - US | Agency | Bid Type | Due Date | As PDF |
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Design\/Build of The Belau National Hospital Electrical System Rehabilitation Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 01, 2026 |
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Design\/Build of the Kayangel Bai Improvement Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 01, 2026 |
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Design\/Build of the Peleliu North Dock Improvement Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 01, 2026 |
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Qualified Independent Certified Public Accountant
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 31, 2026 |
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External Evaluator
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 15, 2026 |
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Laboratory Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 22, 2026 |
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| Pennsylvania - US | Agency | Bid Type | Due Date | As PDF |
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Fall Bat Acoustics
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 02, 2026 |
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Various Professional Services, Phase 2
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 01, 2026 |
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Pre-Demolition Asbestos Surveys
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 31, 2029 |
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Pre-Demolition Asbestos Surveys (CD)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 31, 2029 |
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Engineering For Bus Stop Improvements
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 31, 2026 |
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SOLAR ARRAY DESIGN, PROCUREMENT, AND INSTALLATION AT THREE COUNTY SITES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 31, 2026 |
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Planning Commission Engineering Services for Trail Signal Crossing
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 15, 2026 |
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New Schenley Park Division Facility - Design
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 08, 2026 |
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Parking Garage Development & Elevated Pedestrian Walkway
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 24, 2026 |
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Basin Conversion
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 01, 2026 |
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Tree Well Site Assessment & Inventory
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 03, 2026 |
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Professional Architectural & Engineering Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 07, 2026 |
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Structural Inspection Services for Parking Garage
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 04, 2026 |
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Urban Wireless Broadband Design and Engineering Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 04, 2026 |
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Route 41 Corridor and Community Visioning Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 18, 2026 |
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Comprehensive Active Transportation Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 11, 2026 |
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