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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Corporate: Roadway Excavation, JPCP, HMA-A, & modifying TMS \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 | Jul. 22, 2026 |
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Corporate: Roadway Excavation, JPCP, HMA-A, & modifying TMS \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 | Jul. 22, 2026 |
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Corporate: Roadway Excavation, JPCP, HMA-A, & modifying TMS \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 | Jul. 22, 2026 |
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Corporate: Roadway Excavation, JPCP, HMA-A, & modifying TMS \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 | Jul. 22, 2026 |
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Corporate: Roadway Excavation, JPCP, HMA-A, & modifying TMS \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 | Jul. 22, 2026 |
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Corporate: Roadway Excavation, JPCP, HMA-A, & modifying TMS \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 | Jul. 22, 2026 |
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Siding Extension Construction Communication Support
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 20, 2026 |
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STRATEGIC PLANNING
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 18, 2026 |
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Affordable Housing Development
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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Peer Outreach Services
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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Commercial and Residential Water Use Efficiency Surveys
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 30, 2026 |
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Commercial Waste Compliance Outreach Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 26, 2026 |
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Safety Training Consultant Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 06, 2026 |
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1099 AND TIN MATCHING REPORTING SERVICES
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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Enforcement & Planning Services
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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ROWD and NPDES Renewal Application
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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Underwriter Services (Land Secured)
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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Customer Opinion Survey 2026
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 24, 2026 |
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Dam Safety Program Audit
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 24, 2026 |
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Municipal Advisor Services
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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Corporate: 8-Inch Ductile Iron Water Main Replacement - TRAFFIC CONTROL
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 02, 2026 |
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Corporate: 8-Inch Ductile Iron Water Main Replacement - VIBRATION MONITORING
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 02, 2026 |
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NPDES Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 19, 2026 |
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Treatment Coordinator
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 26, 2026 |
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Community Works Program Host Sites
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 01, 2026 |
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Siren Feasibility Study
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 08, 2026 |
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54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jun. 17, 2026 |
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54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jun. 17, 2026 |
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Labor Compliance Consulting Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 24, 2026 |
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Utility-scale Energy Generation Study
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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Centralized Grants Program Support Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 20, 2026 |
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Corporate: Cold Plane AC Pavement, place RHMA, Modify Signal and Lighting System \u2013 Health And Safety Plan
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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Public Safety Labor Attorney Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 17, 2026 |
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Staff Extension Services
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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Strategic Planning Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 03, 2026 |
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High Fidelity Wraparound
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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Grant Writing Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 01, 2026 |
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Transcription Services for Police
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 30, 2026 |
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Corporate: Construct bridges, RW, JPCP, HMA Pvmt, drainage, and Elect Systems \u2013 Asbestos Compliance Plan
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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54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jun. 19, 2026 |
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Corporate: Cold Plane AC Pavement, Place RHMA, Modify Signal and Lighting System \u2013 Health And Safety Plan
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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Corporate: Bridge Replacement and Roadway Widening \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 | Jul. 23, 2026 |
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Corporate: Bridge Replacement and Roadway Widening \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 | Jul. 23, 2026 |
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Treatment Coordinator
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 01, 2026 |
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Defined Contribution Program Consultant
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 06, 2026 |
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Voluntary Employees Beneficiary Association
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 09, 2026 |
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California Tobacco Prevention Clearinghouse
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 23, 2026 |
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OEM Bench Contract
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 23, 2026 |
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Safety and Health Assessment Review Program
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 15, 2026 |
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54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jul. 08, 2026 |
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