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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 3351–3400 of 5196 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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On-call Hygiene 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, 2026 |
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Marine Operations Consultant: PacWave
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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DEI Strategic Planning & Organizational Development Services
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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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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Eviction Prevention: In Courtroom Support 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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ON-CALL ENVIRONMENTAL SERVICES FOR COORDINATED SITE ASSESSMENT 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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Tailgate Activation Environment 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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Boardman WGS Habitat Restoration and Mitigation Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 11, 2026 |
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LANGUAGE AND ACCESSIBILITY SERVICES
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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Dual Language Professional Development
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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Statewide Environmental Analytical Laboratory Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 15, 2026 |
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Occupational Medicine & Pre-Employment Screening
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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Provide school pictures on a requirements basis
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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Youth Sports Photography 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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Microfilm Imaging 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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State Lobbying 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 | Jun. 01, 2026 |
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Public Relations and Polling 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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State Legislature Lobbying Services
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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Federal Affairs Representation Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 16, 2026 |
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Transit Customer Safety Officers and Safety Response Team 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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| Palau - US | Agency | Bid Type | Due Date | As PDF |
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Design\/Build of the AIRAI KESEBELAU HOUSING PROJECT PHASE-I
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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Design\/Build of the INTERNATIONAL AIRPORT SLOPE FAILURE REPAIR PROJECT (EAST) PHASE-I
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 10, 2026 |
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Design\/Build of the NGARACHAMAYONG RENOVATION AND IMPROVEMENT PROJECT
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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Design and install an integrated IP CCTV Surveillance, Alarm System, Lightings
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 12, 2026 |
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Provide consultation and deliver a System of Care Development Workshop
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 15, 2026 |
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Integrated Financial Management System Development
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 22, 2026 |
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Professional development in entrepreneurial skills
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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External Evaluators
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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Provide services as an International Consultant t
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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International Consultant to prepare the Adaptation and Loss & Damage Chapters
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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| Pennsylvania - US | Agency | Bid Type | Due Date | As PDF |
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VET SERVICE FOR LEC
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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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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Roadway & Drainage Re-Engineering Project \u2014 Phases 1\u20133
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 31, 2026 |
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Professional Planning Consultant 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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Magisterial District Courts Modifications for Accessibility Compliance
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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Corporate: Rocket Missile Maintenance Facility
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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Design and Engineering Services for BARTA Transportation Center Solar Panel Rooftop Array Project
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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503-26-104 Replace Underground Sprinkler and Domestic Water Mains Design | NCO 4 Construction West (VA-26-00058125)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jun. 01, 2026 |
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Paratransit SubContractor
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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503-26-104 Replace Underground Sprinkler and Domestic Water Mains Design | NCO 4 Construction West (VA-26-00058125)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jun. 06, 2026 |
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Sanitary Sewer CCTV Inspections
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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Storm Sewer CCTV Inspections
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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Shallow Groundwater Study and Act 537 Special Study
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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Strategic Facilities Planning 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. 09, 2026 |
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Synopsis: Unrestricted Architect-Engineering (A-E) Indefinite Delivery\/Indefinite Quantity (IDIQ) Multiple Award Task Order Contact (MATOC) to Perform General Engineering and Design Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jun. 05, 2026 |
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