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.
|
|
| California - US | Agency | Bid Type | Due Date | As PDF |
|---|---|---|---|---|
|
Corporate: POLB - PIER B ON-DOCK RAIL SUPPORT FACILITY WEST EXPANSION & PIER B STREET REALIGNMENT - ENVIRONMENTAL
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 |
|
|
Corporate: 200011 Milton Road over Hoods Creek Bridge Replacement - Contractor Supplied Biologist
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 |
|
|
Corporate: 200011 Milton Road over Hoods Creek Bridge Replacement - Contractor Supplied Biologist
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 |
|
|
Corporate: 200011 Milton Road over Hoods Creek Bridge Replacement - WPCP
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 |
|
|
Environmental Consulting 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 |
|
|
Nuisance Abatement
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 |
|
|
Corporate: Construct JPCP, HMA, Drainage System, Sign Structures, and Electrical System \u2013 Stormwater Pollution Prevention Plan Ls 1
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 06, 2026 |
|
|
Corporate: Construct JPCP, HMA, Drainage System, Sign Structures, and Electrical System \u2013 Pre-Storm Event Inspection Report Ea 19
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 06, 2026 |
|
|
Corporate: Construct JPCP, HMA, Drainage System, Sign Structures, and Electrical System \u2013 During-And Post-Storm Event Inspection Report Day 7
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 06, 2026 |
|
|
Corporate: Construct JPCP, HMA, Drainage System, Sign Structures, and Electrical System \u2013 Stormwater Annual Report Ea 2
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 06, 2026 |
|
|
Corporate: Calaveras Big Trees Project - Asbestos Sampling and NESHAP Notification
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 |
|
|
Corporate: Cold Plane AC Pavement and HMA (Type A) \u2013 Water pollution control program
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 |
|
|
Corporate: Roadway Excavation, HMA, and Modifying Lighting Systems \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. 22, 2026 |
|
|
Corporate: Roadway Excavation, HMA, and Modifying Lighting Systems \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. 22, 2026 |
|
|
Corporate: Roadway Excavation, HMA, and Modifying Lighting Systems \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. 22, 2026 |
|
|
Translation and Interpretation 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 |
|
|
Translation and Interpretation Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 11, 2026 |
|
|
In-Person and Virtual Spoken Language Interpreting Services
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 |
|
|
Translation and Interpretation Services
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 |
|
|
Foreign Language Interpretation and Translation Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 11, 2026 |
|
|
Corporate: JPCP, HMA, Aggregate Base, Earthwork and Bridge \u2013 Water Quality Sampling And Analysis
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 08, 2026 |
|
|
Negative Pressure Rooms Testing
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 26, 2029 |
|
|
Corporate: Milton Road over Hoods Creek Bridge Replacement \u2013 Water Quality Sampling And Analysis Day
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 |
|
|
Corporate: Milton Road over Hoods Creek Bridge Replacement \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 | Aug. 26, 2026 |
|
|
Accredited Water Quality Laboratory Testing
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 |
|
|
Corporate: Corydon Well Replacement Project - Soil laboratory testing
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 |
|
|
Corporate: Corydon Well Replacement Project - Water-quality sampling and laboratory testing
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 |
|
|
Bacteriological Water Testing and Analysis Services
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 |
|
|
AQUATIC TOXICITY 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. 03, 2026 |
|
|
Water Sampling, Bacteria Testing, and Minor System Maintenance Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Aug. 27, 2026 |
|
|
Laboratory Analysis 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 |
|
|
Corporate: Concrete Barrier, Crash Cushion, & Rock Slope Protection - Water quality sampling and analysis day
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 |
|
|
Corporate: Concrete Barrier, Crash Cushion, & Rock Slope Protection - Water quality monitoring report
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 |
|
|
Corporate: Concrete Barrier, Crash Cushion, & Rock Slope Protection \u2013 Water Quality Sampling And Analysis Day
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 |
|
|
Corporate: Concrete Barrier, Crash Cushion, & Rock Slope Protection \u2013 Water Quality Monitoring Report
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 |
|
|
Corporate: Concrete Barrier, Crash Cushion, & Rock Slope Protection \u2013 Water Quality 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. 10, 2026 |
|
|
Corporate: Place bridge Scour Protection \u2013 Water quality sampling and analysis day
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 |
|
|
Corporate: Place bridge Scour Protection \u2013 Water quality monitoring report
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 |
|
|
Water 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. 02, 2026 |
|
|
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 28, 2030 |
|
|
Corporate: Corydon Well Replacement Project - Right-of-way mapping
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 |
|
|
Corporate: Corydon Well Replacement Project - Utility mapping
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 |
|
|
High Resolution Aerial Imagery and LiDAR
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 |
|
|
Corporate: Von Renner Elementary School-Classroom Building - Surveying
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 |
|
|
Corporate: SSC Bus Canopies and EV Chargers - Surveying
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 |
|
|
Geographical Information Systems (GIS) Professional Support 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 |
|
|
Audio\/Visual Technician Services
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 |
|
|
STATE OF THE CITY VIDEO PRODUCTION 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 |
|
|
MULTIMEDIA CONTENT SERVICES
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 |
|
|
Corporate: Corydon Well Replacement Project - Video surveys and related interpretation
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 |
|