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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| California - US | Agency | Bid Type | Due Date | As PDF |
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Corporate: Construct Bridges, RW, SW, Pavement, Drainage and Electrical Systems \u2013 Pre\/Post Construction Survey
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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Corporate: Construct Bridges, RW, SW, Pavement, Drainage and Electrical Systems \u2013 QC Testing
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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Corporate: Construct Bridges, RW, SW, Pavement, Drainage and Electrical Systems \u2013 Survey
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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Corporate: Construct Bridges, RW, SW, Pavement, Drainage and Electrical Systems \u2013 Vibration Monitoring
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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Corporate: Gumtree and Knoll Park Pipeline Replacement Project - Surveying, Staking
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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Materials Testing 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 | Sep. 15, 2026 |
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Building Inspection 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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Seal Beach Recycled Water 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. 24, 2026 |
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Site Design Analysis
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: POLB - PIER B ON-DOCK RAIL SUPPORT FACILITY WEST EXPANSION & PIER B STREET REALIGNMENT - SURVEY\/SURVEY MONUMENTS
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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Corporate: POLB - PIER B ON-DOCK RAIL SUPPORT FACILITY WEST EXPANSION & PIER B STREET REALIGNMENT - SWPPP
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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Corporate: POLB - PIER B ON-DOCK RAIL SUPPORT FACILITY WEST EXPANSION & PIER B STREET REALIGNMENT - QUALITY CONTROL
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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Corporate: LAUSD Palisades Charter Elementary School - SWPPP MONITORING
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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Corporate: LAUSD Palisades Charter Elementary School - SWPPP IMPLEMENTATION
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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Corporate: LAUSD Palisades Charter Elementary School - SURVEYING
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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Corporate: Gum Tree and Knoll Park Pipeline Replacement Project - Surveying, Staking
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: Gum Tree and Knoll Park Pipeline Replacement Project - Materials Testing, Compaction Testing, Welding Inspection, CCTV Inspection
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: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \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 | Sep. 24, 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 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 | Sep. 24, 2026 |
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Walnut Creek Comprehensive Safety Action Plan
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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Inspector of Record (IOR) Services
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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Courthouse Judges Elevator Modernization Design
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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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 Pre-Storm Event Inspection 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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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 During-And Post-Storm Event Inspection 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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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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ARCHITECT SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 14, 2026 |
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PROGRESSIVE DESIGN-BUILD
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 23, 2026 |
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DESIGN-BUILD ENTITY FOR REGIONAL MEDICAL CENTER SEISMIC 4\/5 UPGRADE
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: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \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 | Sep. 24, 2026 |
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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \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 | Sep. 24, 2026 |
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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 Pre-storm event inspection 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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Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 During-and post-storm event inspection 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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Corporate: SDUSD Loma Portal Elementary School Whole Site Modernization - Surveying
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: HARBOR SCENIC DRIVE ROADWAY & INFRASTRUCTURE IMPROVEMENTS - SWPPP
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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Corporate: HARBOR SCENIC DRIVE ROADWAY & INFRASTRUCTURE IMPROVEMENTS - QAQC Quality Assurance (QA) and Quality Control (QC)
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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Corporate: Inland Feeder\/San Bernardino Valley Municipal Water District Foothill Pump Station Intertie, Stage 1 - 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 | Sep. 29, 2026 |
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Corporate: Inland Feeder\/San Bernardino Valley Municipal Water District Foothill Pump Station Intertie, Stage 1 - Land Surveyor
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: Inland Feeder\/San Bernardino Valley Municipal Water District Foothill Pump Station Intertie, Stage 1 - Swppp Planning
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: Inland Feeder\/San Bernardino Valley Municipal Water District Foothill Pump Station Intertie, Stage 1 - Land Surveying
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: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 Implement BMPs
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 SWPPP
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 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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AE On-Call Roadway Design
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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CA CONNECT CONTRACT OVERSIGHT MANAGEMENT
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 21, 2026 |
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Progressive Design-Build
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 04, 2026 |
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Progressive Design-Build
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 04, 2026 |
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Engineering Design 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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Corporate: Foothill College - Renovation of Dental Hygiene & Assisting Facilities - Architectural Woodwork
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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Construction Management, Construction Inspection, and Geotechnical Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 14, 2026 |
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