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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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Showing 351–400 of 8961 bids that are currently: Active.

Denotes bidding opportunities that have been amended

California - US Due Date
Corporate: Inland Feeder\/San Bernardino Valley Municipal Water District Foothill Pump Station Intertie, Stage 1 - Ventilating & Air Conditioning
23 - Construction
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Sep. 29, 2026
Corporate: Transworld Office Building Tenant Improvements - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
MSH Central Kitchen Air Conditioning
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 12, 2026
HVAC Replacement Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 02, 2026
Corporate: Foothill College - Renovation of Dental Hygiene & Assisting Facilities - Moisture Vapor Control System
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Corporate: Foothill College - Renovation of Dental Hygiene & Assisting Facilities - Vapor Barriers
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Corporate: SBWRP Reverse Osmosis System - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
Civic Center HVAC Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 07, 2026
Chiller and Pump Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 21, 2026
Corporate: Paradise Behavioral Health Center - Mechanical
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Heating, Ventilation and Air Conditioning (HVAC) Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
Corporate: Transworld Office Building Tenant Improvements - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Corporate: Orosi High School Ag Building-Modular - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Corporate: Natomas Reach B Pumping Plant 5 - HVAC
23 - Construction
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Sep. 28, 2026
Corporate: SAN JACINTO VALLEY ADVANCED WATER PURIFICATION FACILITY - HVAC
23 - Construction
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Oct. 20, 2026
Corporate: Biola Community Services District - Waste Water Treatment Plant Improvements Project - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 21, 2026
Corporate: 3127 TRANSWORLD OFFICE BUILDING TENANT IMPROVEMENTS - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Replace Obsolete HVAC Controllers
23 - Construction
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Oct. 22, 2026
Boiler Replacement
23 - Construction
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Oct. 07, 2026
Corporate: Monterey Peninsula College - Marina Education Center Expansion - HVAC
23 - Construction
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Sep. 30, 2026
Corporate: Kenwood Fire Station Remodel - HVAC
23 - Construction
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Sep. 18, 2026
Corporate: Purified Water Replenishment San Jacinto Valley Advances Water Purification Facility - HVAC
23 - Construction
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Oct. 20, 2026
Mechanical - Treatment Facilities
23 - Construction
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Oct. 07, 2026
Corporate: Corporate: Construction Agreement \u2013 HVAC
23 - Construction
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Sep. 18, 2026
Transit Operations Building HVAC
23 - Construction
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Sep. 30, 2026
Corporate: American Union Elementary School-Music Building - HVAC
23 - Construction
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Sep. 24, 2026
Corporate: Inland Feeder\/San Bernardino Valley Municipal Water District Foothill Pump Station Intertie, Stage 1 - HVAC\/MECHANICAL
23 - Construction
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Sep. 29, 2026
Government is conducting market research to identify qualified commercial HVAC contractors
23 - Construction
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Oct. 08, 2026
Corporate: Acosta Operations Center - Heating, Ventilation, & Air Conditioning
23 - Construction
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Sep. 15, 2026
Corporate: American Union Elementary School, Music Building - HVAC
23 - Construction
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Sep. 24, 2026
Corporate: Wastewater System Expansion Project - HVAC\/MECHANICAL
23 - Construction
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Oct. 08, 2026
Corporate: FOWLER HIGH SCHOOL 16 CLASSROOM BLDG. - HVAC
23 - Construction
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Oct. 07, 2026
Job Order contract Mechanical Phase 13
23 - Construction
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Oct. 13, 2026
Miramar National Cemetery HVAC Maintenance Services
23 - Construction
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Sep. 16, 2026
Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Duct Work and Vents
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - HVAC Installation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Duct and Vent Cleaning
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Fan Installation
23 - Construction
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Sep. 22, 2026
Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Mechanical Insulation
23 - Construction
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Sep. 22, 2026
Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Thermostats and Controls
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Corporate: Kashia Windsor Affordable Housing - HVAC
23 - Construction
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Sep. 14, 2026
Lift Station Upgrades PDR and Final Design of Electrical
23 - Construction
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Oct. 13, 2026
Corporate: Ramkabir Permanent Supportive Housing Project - HVAC
23 - Construction
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Sep. 23, 2026
Corporate: Secondary Treatment System Upgrades Project - HVAC
23 - Construction
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Oct. 08, 2026
Corporate: Sitework for New 2 Story Classroom Building - HVAC
23 - Construction
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Sep. 23, 2026
Corporate: Biola CSD Wastewater Treatment Plant Improvements - HVAC\/ MECHANICAL
23 - Construction
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Oct. 21, 2026
Corporate: Purified Water Replenishment San Jacinto Valley Advanced Water Purification Facility - HVAC
23 - Construction
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Oct. 20, 2026
Corporate: Rehabilitate El Portal Wastewater Treatment Facility and Administrative Camp - Rock Wall
23 - Construction
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Nov. 20, 2042
Geneva Office Exterior Improvements
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2026

Showing 351–400 of 8961 bids that are currently: Active.