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Industries in the Professional, Scientific, and Technical Services subsector group establishments engaged in processes where human capital is the major input. These establishments make available the knowledge and skills of their employees, often on an assignment basis, where an individual or team is responsible for the delivery of services to the client. The individual industries of this subsector are defined on the basis of the particular expertise and training of the services provider. The distinguishing feature of the Professional, Scientific, and Technical Services subsector is the fact that most of the industries grouped in it have production processes that are almost wholly dependent on worker skills. In most of these industries, equipment and materials are not of major importance, unlike health care, for example, where "high tech" machines and materials are important collaborating inputs to labor skills in the production of health care. Thus, the establishments classified in this subsector sell expertise. Much of the expertise requires degrees, though not in every case.
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Showing 451–500 of 6146 bids that are currently: Active.
Denotes bidding opportunities that have been amended
| California - US | Agency | Bid Type | Due Date | As PDF |
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Corporate: Retaining Walls, Minor Concrete, Earthwork, And Modify Electrical \u2013 Noise Monitoring
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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Corporate: Wastewater Ponds Rehabilitation Project - wpcp
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
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Surveying, Engineering, & Project Mngt. Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
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Energy Efficiency Technical Support
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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Professional Engineering Project Management CM CI Services
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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Corporate: LBRID Phase 2 Wastewater Ponds Rehabilitation Project - Survey
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
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Corporate: LBRID Phase 2 Wastewater Ponds Rehabilitation Project - QSD\/QSP Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
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Buoy Services Wave Data Renewal
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Dec. 16, 2025 |
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Fall Protection Certification Services
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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Construction Management Services Sources Sought Notice
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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ENVIRONMENTAL 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. 23, 2026 |
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Creek Channel 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. 15, 2026 |
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CONSTRUCTION MANAGEMENT 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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Corporate: Retaining Walls, Minor Concrete, Earthwork, And Modify Electrical \u2013 Pre\/Post Construction Surveys
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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Stormwater Engineering and Regulatory Compliance 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. 22, 2025 |
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ODOR MONITORING AND MODEL MAINTENANCE AND REFINEMENT
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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COLLECTION SYSTEM, and WRP MODEL DEVELOPMENT, MAINTENANCE and REFINEMENT
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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Corporate: Construction on State Highway in Santa Clara County Near Gilroy - Lead Compliance Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 11, 2025 |
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Corporate: Retaining Walls, Minor Concrete, Earthwork, And Modify Electrical \u2013 Noise monitoring
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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Corporate: Construction on State Highway in Monterey County Near King City From Jolon Road Undercrossing - Lead Compliance Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 11, 2025 |
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Corporate: Place HMA and Replace Culverts and Fencing \u2013 Lead Compliance Plan
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: Place HMA and Replace Culverts and Fencing \u2013 Time-Related Overhead
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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Headworks Influent Channel Rehabilitation
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 27, 2026 |
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Engineering & Street Design Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 20, 2026 |
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LFT Channel Dredging Design
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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City Park Revitalization Project
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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Bridge Replacement - Surveying 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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Fall Protection Certification Services
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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Taiwan ? Installation, Training, and Engineering Services (ITES)
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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Facility Planning Services A-E IDIQ Sources Sought Notice
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Dec. 18, 2025 |
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Corporate: 01-0J8014 Wall Construction, Earthwork, and Drainage \u2013 Lead Compliance Plan
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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City-County Airport for Professional On-Call Airport Planning Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
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On-Call Standard and Expedited Building and Fire Plan Review and Inspection 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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Development of Energy Resilience Plan
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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Corporate: Construction of Pipeline - Survey
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
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Corporate: Western Trunk Line Phase 2A - Land surveying\/site photography
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
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Corporate: Western Trunk Line Phase 2A - quality control
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
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CIVIL 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. 09, 2026 |
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Truckee River Operating Agreement Hydrologic 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. 24, 2025 |
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Best Management Practices (BMP) Effectiveness
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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EPA Environmental Services Assistance Team (ESAT)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Dec. 22, 2025 |
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RFQ No. N66001-26-Q-6020 Water Testing 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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Oceanside Harbor Marine Safety Unit - Modular Building
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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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 | Dec. 18, 2025 |
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Corporate: Cold Plane, RHMA-G, Polyester Concrete Overlay, CB, Replace POC, & CMS System \u2013 Lead Compliance Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 22, 2026 |
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Corporate: Replace Tuolumne Meadows Wastewater Treatment Plant - Quality Control
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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Corporate: Cold Plane, RHMA-G, Polyester Concrete Overlay, CB, Replace POC, & CMS System \u2013 Lead Compliance Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 22, 2026 |
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Corporate: Western Trunk Line Phase 2A - DEVELOP WATER SUPPLY
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
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Corporate: Western Trunk Line Phase 2A - DRAIN INSPECTION & CLEANING
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
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Corporate: Western Trunk Line Phase 2A - MATERIALS TESTING SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
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