The Specialty Trade Contractors subsector comprises establishments whose primary activity is performing specific activities (e.g., pouring concrete, site preparation, plumbing, painting, and electrical work) involved in building construction or other activities that are similar for all types of construction, but that are not responsible for the entire project. The work performed may include new work, additions, alterations, maintenance, and repairs. The production work performed by establishments in this subsector is usually subcontracted from establishments of the general contractor type or for-sale builders, but especially in remodeling and repair construction, work also may be done directly for the owner of the property. Specialty trade contractors usually perform most of their work at the construction site, although they may have shops where they perform prefabrication and other work. Establishments primarily engaged in preparing sites for new construction are also included in this subsector. There are substantial differences in types of equipment, work force skills, and other inputs required by specialty trade contractors. Establishments in this subsector are classified based on the underlying production function for the specialty trade in which they specialize. Throughout the Specialty Trade Contractors subsector, establishments commonly provide both the parts and labor required to complete work. For example, electrical contractors supply the current-carrying and noncurrent-carrying wiring devices that are required to install a circuit. Plumbing, heating, and air-conditioning contractors also supply the parts required to complete a contract. Establishments that specialize in activities primarily related to heavy and civil engineering construction that are not normally performed on buildings, such as the painting of lines on highways are classified in Subsector 237, Heavy and Civil Engineering Construction. Establishments that are primarily engaged in selling construction materials are classified in Sector 42, Wholesale Trade, or Sector 44-45, Retail Trade, based on the characteristics of the selling unit.
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Corporate: Pasadena Glenarm Battery Energy Storage System Construction - Electrical Testing and Commission
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 14, 2026 |
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Corporate: Pioneer Trail Waterline Project - Electrical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 23, 2026 |
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Corporate: Mill Valley Middle School (Interim Housing) Phase 1, Increments 1 and 2 - Site Electrical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 16, 2026 |
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Corporate: Electrified Heating & Cooling Plant Project
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 20, 2026 |
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Corporate: 06-1H9804 HMA (Type A) and Modify Signal and Lighting Systems - MODIFYING SIGNAL AND LIGHTING SYSTEMS
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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Corporate: PIER 80 IMPROVEMENTS - ELECTRICAL
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 10, 2026 |
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Corporate: Arvin High School Special Education Portable - Electrical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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Corporate: Digester Rehabilitation Project PH 1 - ELECTRICAL-BUILDING
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 16, 2026 |
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Modify Signal and Lighting Systems and HMA (TYPE A) Pavement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 16, 2026 |
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Corporate: Upper Yosemite Creek Daylighting - Electrical Contracting
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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Corporate: Monterey Adult School Modernization, Phase 2 - Electrical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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Corporate: PVHS Woodshop Ventilation - Electrical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 30, 2026 |
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Corporate: Citrus Elementary School Modernization & New Construction - Electrical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 07, 2026 |
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Corporate: CASTLE ROCK ELEMENTARY HVAC REPLACEMENT - Electrical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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Corporate: Kennedy High School Phase 1.3 - Electrical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 07, 2026 |
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City Hall UPS Systems Modernization Project
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 17, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 23, 2026 |
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Corporate: Laney College Student Center Improvements - Electrical (power, lighting, exit signs)
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 10, 2026 |
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Corporate: SDUSD Valencia Park Elementary School WSM - Electrical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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Corporate: Del Paso Heights ES Restrooms & Exterior Building Improvements - Electrical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 27, 2026 |
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Corporate: TUSD Loma Vista ES - Electrical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 10, 2026 |
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Building 1310 Power Repair
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 04, 2026 |
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Power Pole Repairs
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 05, 2026 |
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Corporate: Welbe Health - West Covina Senior Care PACE - Electrical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 15, 2026 |
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Corporate: Welbe Health - West Covina Senior Care PACE - Low Voltage
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 15, 2026 |
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SOLAR GENERATION PROJECT
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 04, 2026 |
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Corporate: Perform PDR, replace AC surfacing, and place RHMA-G Overlay \u2013 Modifying Signal And Lighting Systems
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
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RIDDER PARK ELEVATOR MODERNIZATION
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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Corporate: Butte County - New Probation Building - Elevators
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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Elevator Maintenance Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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Elevator Maintenance
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 07, 2026 |
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Elevator Consulting Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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Corporate: Anderson Dam Seismic Retrofit Project - Cargo Lift & Elevator
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 24, 2026 |
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ELEVATOR REPLACEMENT
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 12, 2026 |
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Corporate: Chinatown Branch Library Renovation - Elevators
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 08, 2026 |
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Corporate: CCSF Evans Center Modernization & Voluntary Seismic Upgrade - Elevator renovations
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 03, 2026 |
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Corporate: Inglewood Transit Connector - Elevators
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 10, 2026 |
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Zellerbach Freight Elevator Renovation
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 16, 2026 |
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Corporate: SDUSD Valencia Park Elementary School WSM - Elevators
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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KITCHEN HOOD, FIRE SUPPRESSION, AND HEATING, VENTILATION
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 30, 2026 |
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High School Refrigerator\/Freezer Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 10, 2026 |
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Provide and Install Load Monitoring Devices
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 16, 2026 |
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Corporate: DIGESTER 3 REHABILITATION & DIGESTER GAS PIPING REPLACEMENT - Equipment
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 16, 2026 |
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Corporate: Inglewood Transit Connector - Escalators
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 10, 2026 |
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Install Census Equipment Upgrades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 09, 2026 |
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Corporate: Pacific Avenue and Bogart Avenue Traffic Signalization - Masonry
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 23, 2027 |
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Corporate: Washington MS Transformation - Fencing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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Gate Maintenance Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 09, 2026 |
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Corporate: Develop Tidewater Day Use Area - Fencing & Gates
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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