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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 951–1000 of 5537 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: Roadway Excavation, HMA, and Modifying Lighting Systems \u2013 Data core
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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Professional Consulting Services for CFAI Accreditation
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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California Hospitals Almanac
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 17, 2026 |
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Labor Compliance Monitoring 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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Fossil Gas Related Technical Assistance
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 25, 2026 |
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Cross-Connection Control Program Implementation 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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Enterprise Resource Planning
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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Professional Consulting Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 17, 2026 |
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Fee Study and Nexus Study Consulting Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 30, 2026 |
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Council Chambers Technical Support Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 29, 2026 |
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Corporate: WRRF Expansion - survey subcontractor
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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Corporate: WRRF Expansion - noise & vibration monitoring
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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Operation of a Homeless Services Facility
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 08, 2026 |
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Hearing Officer 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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Tenant Based Rental Assistance (TBRA) Program
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 21, 2026 |
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General Plan and Zoning Code Update Provider
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 09, 2026 |
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Economic Development Strategy
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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Investment Advisory 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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Consultant Services for the Water Forum
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 21, 2026 |
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Targeted Outreach and Engagement Program (TOEP) 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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CITYWIDE AQUATICS 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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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \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 | Sep. 24, 2026 |
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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \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 | Sep. 24, 2026 |
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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 Stormwater Pollution Prevention Plan
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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Fixed-Based Operators
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 23, 2026 |
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KRCD Boundary Adjustment
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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Audit Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 23, 2026 |
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Waste Material Characterization Consulting Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 25, 2026 |
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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \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 | Sep. 24, 2026 |
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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \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 | Sep. 24, 2026 |
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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \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 | Sep. 24, 2026 |
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Biological Consulting
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 25, 2026 |
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Customer Notice Processing Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 01, 2026 |
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UNACORN Tactical Edge: Decentralized Federated Learning and Real-Time Data Assurance
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Sep. 28, 2026 |
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Engagement Support for Native American Culture Beneficial Uses
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 23, 2026 |
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Communications Consultants
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 08, 2026 |
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Community Sustainability Engagement
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 08, 2026 |
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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. 25, 2026 |
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Countywide 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. 30, 2026 |
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City-Wide Classification and Compensation Study
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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Investment Advisory and Management 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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Location Analytics and Intelligence Services
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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Corporate: Behavioral Health Campus at Metropolitan State Hospital - 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. 24, 2026 |
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Multi-Agency HazMat Exercise
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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Glassell Campus Low Impact Development
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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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 Dispute Resolution Board On-Site Meeting Ea 10
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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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 Hourly Off-Site Dispute-Resolution-Board-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. 24, 2026 |
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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 During-And Post-Storm Event Inspection Report Day 21
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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Workers Compensation Pharmacy Benefit Network
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 07, 2026 |
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Classification & Compensation Study Services
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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