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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 1001–1050 of 5831 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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UNLAWFUL DETAINER LEGAL SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 24, 2026 |
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Broadband Equity, Access and Deployment
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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ESA\/ NEPA Compliance Support for Klamath Project A Canal
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Aug. 26, 2026 |
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Intelligence Exploitation and Targeting Systems (IETS)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Aug. 30, 2026 |
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Corporate: HMA, Cl 2 AB, Roadway Excavation, Concrete Barrier and Sign Structures \u2013 Time-related overhead (ls)
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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Comprehensive Fee and Cost Recovery Study
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 26, 2026 |
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Community-Police Mediation 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. 02, 2026 |
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Cost Allocation Plan and User Fee Study
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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CHILD PASSENGER SAFETY SEAT (KEEP'EM SAFE) PROGRAM
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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Public Safety Realignment 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. 10, 2026 |
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BEHAVIORIAL HEALTH SERVICES ACT PLANNING AND INTEGRATION 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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Workforce Development Board Youth Workforce-Related Services
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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Employment and Labor Law Legal Services
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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Corporate: Install Trash Capture Devices, Construct Maintenance Vehicle Pullouts \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 | Sep. 01, 2026 |
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Corporate: Install Trash Capture Devices, Construct Maintenance Vehicle Pullouts \u2013 Dispute Resolution Advisor On-Site Meeting
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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Corporate: Install Trash Capture Devices, Construct Maintenance Vehicle Pullouts \u2013 Hourly Off-Site Dispute-Resolution-Advisor-Related Tasks
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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Corporate: Construct retaining Wall, MGS, Cold Plane & Pvmt Widening \u2013 Time-Related Overhead (Wday) Wday 130
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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Corporate: Construct retaining Wall, MGS, Cold Plane & Pvmt Widening \u2013 Dispute Resolution Advisor On-Site Meeting Ea 4
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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Corporate: Construct retaining Wall, MGS, Cold Plane & Pvmt Widening \u2013 Hourly Off-Site Dispute-Resolution-Advisor-Related Tasks Hr 10
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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Talent, Leadership & 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 | Oct. 10, 2026 |
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Workplace Culture, Training & Safety Professional Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 10, 2026 |
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Workforce Development Consulting Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 14, 2026 |
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Corporate: Harbor Scenic Drive Roadway & Infrastructure Improvements - Environmental Protection
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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Biologist for the Rubicon Trail Planning Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 28, 2026 |
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Citywide Landlords
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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Corporate: Cold plane, RHMA-G, SAMI, Drainage, Curb Ramps, And Electrical \u2013 Level 2 Critical Path Method Schedule
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 22, 2026 |
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Corporate: Cold plane, RHMA-G, SAMI, Drainage, Curb Ramps, And Electrical \u2013 Time-Related Overhead (Wday)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 22, 2026 |
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Corporate: Cold plane, RHMA-G, SAMI, Drainage, Curb Ramps, And Electrical \u2013 Dispute Resolution Board On-Site Meeting
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 22, 2026 |
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Corporate: Cold plane, RHMA-G, SAMI, Drainage, Curb Ramps, And Electrical \u2013 Hourly Off-Site Dispute-Resolution-Board-Related Tasks
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 22, 2026 |
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Corporate: Cold plane, RHMA-G, SAMI, Drainage, Curb Ramps, And Electrical \u2013 Contractor-Supplied Biologist (Ls)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 22, 2026 |
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Financial Advisor Professional Services
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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Owner's Representative Services for City Hall Improvements
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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Targeted Quality Improvement 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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Commercial Technical Assistance Program Implementation
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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Traffic Data Collection Update
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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LABOR COMPLIANCE CONSULTATION SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 24, 2026 |
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Corporate: Las Flores Mesa Water Main Improvements - INITIAL VIDEO INSPECTION
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 25, 2026 |
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Corporate: Las Flores Mesa Water Main Improvements - VIDEO INSPECTION
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 25, 2026 |
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Corporate: Las Flores Mesa Water Main Improvements - COORDINATION, AND ARC-FLASH STUDY
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 25, 2026 |
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Corporate: Las Flores Mesa Water Main Improvements - FINAL TESTING
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 25, 2026 |
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Corporate: Las Flores Mesa Water Main Improvements - OPERATION AND MAINTENANCE MANUALS
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 25, 2026 |
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Corporate: Las Flores Mesa Water Main Improvements - PREPARE AS-BUILT DRAWINGS
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 25, 2026 |
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Corporate: Las Flores Mesa Water Main Improvements - TESTING
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 25, 2026 |
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Corporate: Las Flores Mesa Water Main Improvements - DOCUMENTATION AND COMMISSIONING
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 25, 2026 |
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Corporate: Las Flores Mesa Water Main Improvements - CITY PERMIT AND INSPECTION FEES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 25, 2026 |
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Corporate: Fulton Avenue Overcrossing to Auburn Boulevard on-Ramp Overcrossing - Traffic Control
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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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 Stormwater Annual Report
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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Service of Process
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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Zero Trust Architecture (ZTA) Vendor Framework
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Sep. 11, 2026 |
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Alerting Improvement Feasibility Study
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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