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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| California - US | Agency | Bid Type | Due Date | As PDF |
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Corporate: Canyon Lake Water Treatment Plant - Mechanical sub
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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Corporate: Bishop's Peak Elementary School Phase 2 New Classroom Building - Mechanical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 28, 2026 |
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Corporate: Inglewood Transit Connector - HVAC
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: Lifetime San Jose CA - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 13, 2026 |
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AIR CONDITIONER REPLACEMENT
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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AIR CONDITIONING UNIT REPLACEMENT
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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Heating, Ventilation, and Air Conditioning (HVAC)
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 21, 2026 |
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WWES Boiler and Pump Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 20, 2026 |
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MIDDLE SCHOOL HVAC REPLACEMENT
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 19, 2026 |
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Corporate: Granite Bay High School SPED Restrooms - HVAC
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: Ophir Water Treatment Plant - HVAC\/MECHNICAL
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 03, 2026 |
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Rooftop Air Handling\/Heating Units Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 01, 2026 |
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Upgrade HVAC @ OPS
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 13, 2026 |
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HVAC Replacement Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 20, 2026 |
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Corporate: AMVA - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 19, 2026 |
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Regional Wastewater Facility HVAC Improvements Phase 1
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 04, 2026 |
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Convention Center HVAC Control Upgrades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 04, 2026 |
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Corporate: OUSD Garfield Elementary School - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 16, 2026 |
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Corporate: Diamond Village Phase 2 - Mechanical\/HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 26, 2026 |
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Chiller
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 11, 2026 |
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Boiler Controls Retrofit
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 27, 2026 |
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HVAC UNITS
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 22, 2026 |
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Corporate: SAN T2E Lounge Expansion - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 20, 2026 |
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Corporate: Terminal 2 East Lounge Expansion - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 21, 2026 |
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Corporate: San Diego Airport Terminal 2 East Lounge Expansion C&S - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 20, 2026 |
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On-Call HVAC Maintenance, Repair, and Emergency Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 22, 2026 |
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Corporate: Canyon Lake Water Treatment Plant Improvements Fixed Price Design-Build Project Delivery - HVAC
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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Corporate: Gridley Behavioral Health - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 21, 2026 |
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Corporate: HVAC UPGRADE & MODERNIZATION \u2013 SCHROEDER ELEMENTARY SCHOOL AND WILLMORE ELEMENTARY SCHOOL - HVAC
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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Building Automation Controls Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 02, 2026 |
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AIR CONDITIONING UNIT REPLACEMENT
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 26, 2026 |
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AIR CONDITIONING UNIT REPLACEMENT
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 26, 2026 |
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SCHOOL KITCHEN MINI-SPLIT INSTALLATIONS
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 27, 2026 |
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Corporate: APHCV Baldwin Place Health Center (BPHC) Tenant Improvement Project - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 13, 2026 |
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Testing, Adjusting, Balancing HVAC Systems
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 27, 2026 |
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Corporate: Gridley Behavioral Health Center - hvac
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 21, 2026 |
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Sand Canyon Headquarters and Operations Center HVAC Upgrades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 10, 2026 |
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Corporate: Jesse Bethel High School Sports Fields Modernization - Air Distribution
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 20, 2026 |
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Corporate: City of Garden Grove Wells 22, 26, and 27 PFAS Water Treatment Plants Project - HVAC subcontractor
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 08, 2026 |
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Corporate: City of Garden Grove Wells 22, 26, and 27 PFAS Water Treatment Plants Project - Mechanical subcontractor
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 08, 2026 |
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Corporate: City of Garden Grove Wells 22, 26 # 27 PFAS WTP - HVAC\/MECHANICAL
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 08, 2026 |
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Corporate: City of Garden Grove Wells 22, 26, and 27 PFAS Water Treatment Plants Project - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 08, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | May. 21, 2026 |
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Corporate: Walden West Science School Modernization - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 15, 2026 |
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Public Safety Facility Boiler Replacements
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 26, 2026 |
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Corporate: City of Garden Grove Wells 22, 26, & 27 PFAS Water Treatment Plants Project - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 08, 2026 |
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HVAC Modifications
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 26, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | May. 18, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jun. 17, 2026 |
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Corporate: Valley Village Stormwater Capture Project - Mechanical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 10, 2026 |
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