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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Esplanade Park Coastal Access Enhancement and Adaptation Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 23, 2026 |
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Airport Services for Architectural\/Engineering
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 18, 2026 |
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Corporate: Old Castle Road Pipeline PH 2 Project - SWPPP\/WPCP
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Corporate: Old Castle Road Pipeline PH 2 Project - Surveying
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Corporate: Old Castle Road Pipeline PH 2 Project - Traffic Control Plans
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Corporate: Cold Plane and RHMA-G with Various HMA Dig Outs \u2013 Provide WPCP
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 18, 2026 |
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Corporate: Cold Plane and RHMA-G with Various HMA Dig Outs \u2013 Provide SWPPP
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 18, 2026 |
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Corporate: Cold Plane and RHMA-G with Various HMA Dig Outs \u2013 Provide 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 | Mar. 18, 2026 |
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Corporate: Morgan Territory Road at Post Mile 5.0 Bridge Replacement Over Marsh Creek - 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 | Mar. 17, 2026 |
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Corporate: Cold Plane, HMA(Type A), RHMA(OGFC) & High Friction Surface Treatment \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 | Mar. 26, 2026 |
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Corporate: Old Castle Road Phase 2 Project - SWPPP
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Corporate: Cold Plane, HMA(Type A), RHMA(OGFC) & High Friction Surface Treatment \u2013 Testing
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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Corporate: SCSD District Wide Building Envelope - Field Engineering
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 18, 2026 |
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Corporate: Prepare Deck Surface, Place Polyester Concrete Overlay, and place HMA \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 | Mar. 17, 2026 |
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Corporate: Prepare Deck Surface, Place Polyester Concrete Overlay, and place HMA \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 | Mar. 17, 2026 |
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Corporate: Secondary Treatment System Upgrades Project - Land Surveyor
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 18, 2026 |
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Collaborative Delivery Owner Advisor Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 18, 2026 |
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Professional Services for Storm Water & Wastewater Regulatory Compliance & Engineering Design
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 31, 2026 |
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Building Inspection and Plan Review Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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Engineer for Municipal Utility
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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Corporate: Replace Pavement Delineation and Roadside Signs \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 | Mar. 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 | State/Local Bids | Mar. 24, 2026 |
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Professional Services for Design and Construction Support for Renovations at 922 East California Avenue
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 31, 2026 |
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Construction Management
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 07, 2026 |
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Traffic and Transportation Engineering Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 17, 2026 |
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Districtwide Mechanical and Controls Upgrade Design-Build
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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Safe Routes to Parks and Wheelchair Assessment Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 30, 2026 |
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Corporate: Old Castle Road Phase 2 - Survey
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Corporate: Old Castle Road Phase 2 - Erosion Control
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Corporate: Prepare Deck Surface, Place Polyester Concrete Overlay, and Place HMA \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 | Mar. 17, 2026 |
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Corporate: ROUTE 33 -FOR CONSTRUCTION ON STATE HIGHWAY IN MERCED COUNTY - 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 | Mar. 17, 2026 |
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Corporate: ROUTE 33 -FOR CONSTRUCTION ON STATE HIGHWAY IN MERCED COUNTY - SWPPP PREP\/WATER POLLUTION CONTROL PLAN PREPARE
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 17, 2026 |
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Corporate: Cold plane, place HMA (Type A), RHMA (Type O), and RHMA (Type G) \u2013 Lead Compliance
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 17, 2026 |
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Corporate: Cold plane, place HMA (Type A), RHMA (Type O), and RHMA (Type G) \u2013 SWPPP Planning
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 17, 2026 |
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Corporate: West High School Sports Field Renovations - surveying
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 24, 2026 |
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Corporate: Buena Park Middle School Track Replacement - surveying
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 19, 2026 |
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ARCHITECTURAL, MECHANICAL, ELECTRICAL, PLUMBING
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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Project 5007 Highlands Ranch Tank Improvement
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 20, 2026 |
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Architecture Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Progressive Design-Build Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 10, 2026 |
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Corporate: Pipeline 5 Relining Oceanside 5 Flow Control Facility to Huckleberry Lane - Survey
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 17, 2026 |
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Corporate: South Park Drive Road Rehab - GEOTECH ENGINEERS
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 24, 2026 |
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Corporate: South Park Drive Road Rehab - SURVEYING
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 24, 2026 |
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Corporate: South Park Drive Road Rehab - SWPP PLAN ONLY
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 24, 2026 |
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Corporate: Carmel Del Mar School - WSM - Survey
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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Evaluation of Fuel Specification Changes
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 27, 2026 |
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Corporate: Furnish Polyester Concrete Overlay \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 | Apr. 07, 2026 |
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Corporate: HMA (Type A) and Modify Signal and Lighting Systems \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 | Apr. 02, 2026 |
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Corporate: HMA (Type A) and Modify Signal and Lighting Systems \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 | Apr. 02, 2026 |
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Corporate: Kohler Elementary School Hardcourt Replacement - Erosion Control
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 27, 2026 |
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