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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 3651–3700 of 5368 bids that are currently: Active.
Denotes bidding opportunities that have been amended
| Puerto Rico - US | Agency | Bid Type | Due Date | As PDF |
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Quality Assurance Services - Civil Works, Interagency and International Services (IIS), and Military Construction Projects in Puerto Rico and U.S. Virgin Islands
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jun. 05, 2026 |
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| Rhode Island - US | Agency | Bid Type | Due Date | As PDF |
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Veteran's Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 17, 2026 |
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Educational Commissioning Services
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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MPA 461 professional Land Surveying
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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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. 03, 2026 |
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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. 30, 2027 |
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Architectural 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, 2027 |
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NUWC Newport Electromagnetic Special Programs Synopsis
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Mar. 23, 2027 |
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Construction Testing 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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INDEPENDENT INSPECTION AND TESTING AGENCY SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 25, 2026 |
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Design\/Build of Brookfarm Road Bridge
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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Design Consultant Servies Program 1
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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Design Build Construction
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 10, 2026 |
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Wastewater Treatment Plan Operating 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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Internal\/Performance Auditing
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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Internal & Performance Auditing\/Financial Statement Analysis 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, 2028 |
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Low Income Housing Tax Credit Policy Consultant
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 25, 2026 |
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Auditing & Agreed-Upon Procedures Services
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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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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Assistive Technology Evaluations
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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Electronic Security System Upgrade
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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Recruitment Management System
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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Web Based Instructional Support - Design and Development
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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Information Technology Service
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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CMSI Marine Traffic Licenses
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | May. 26, 2026 |
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Arbitration and Mediation 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, 2027 |
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Medical Plan Admin and Pharmacy Benefit Management
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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Food Service Management Company
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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Constable 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, 2027 |
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Professional Advisory and Consultant Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 31, 2027 |
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Science and Technology Broad Agency Announcement
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Mar. 03, 2030 |
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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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Enrollement-Research Institutions Research and Innovation Program
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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Private\/Claims Investigation Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 29, 2028 |
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Strategic Plan Consultant
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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Complete Chemical Cleaning Manufacturing Packaging
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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Pastore Campus Complex MS4 Stormwater Compliance
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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Arbitrage Rebate Compliance 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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Eval. Services for the Reemployment 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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OER Demand Response Service
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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RENT Fund Program Administration
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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Commissioning Agent Services for Phase 4
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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Health, Workforce, and Education Programming
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 29, 2026 |
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Fiscal Agent for Student Stipends
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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Natural Resources 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. 01, 2026 |
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| South Carolina - US | Agency | Bid Type | Due Date | As PDF |
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Corporate: Schluter Systems Manufacturing Facility
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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Wastewater Treatment Plant Building Reconfiguration & HVAC Efficiency
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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Design-Build Services
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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CMAR Services for 14th Circuit Solicitor Mock Trial Facility
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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Professional 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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