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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| Idaho - US | Agency | Bid Type | Due Date | As PDF |
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Bert Lipps Pool Liner Project
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 20, 2026 |
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Julia Davis Rose Garden Renovation
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 14, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Apr. 02, 2026 |
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Dworshak Powerhouse Roof Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jan. 07, 2026 |
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| Illinois - US | Agency | Bid Type | Due Date | As PDF |
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WEATHERIZATION MECHANICAL
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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HVAC IMPROVEMENTS AT EGAN AND KIRIE WRP
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 27, 2026 |
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Corporate: La Salle 2024 Water Systems Improvement Project - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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Interior Renovations - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 08, 2026 |
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Corporate: New Bolingbrook Animal Care and Control Center - HVAC U
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 02, 2026 |
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Corporate: New Bolingbrook Animal Care and Control Center - HVAC - N
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 02, 2026 |
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Corporate: New Bolingbrook Animal Care and Control Center - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 02, 2026 |
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Corporate: Battery E Activated Sludge Facility OWRP - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 24, 2026 |
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Corporate: City of Ottawa Contract B \u2013 New Fox River Wastewater Treatment Plant - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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Corporate: City of Ottawa Contract B \u2013 New Fox River Wastewater Treatment Plant - Mechanical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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Corporate: City of Byron - WWTP Improvements Project - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 27, 2026 |
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Corporate: Contract B \u2013 New Fox River Wastewater Treatment Plant - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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Multi-Site HVAC Upgrades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 06, 2026 |
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Corporate: MWRD HVAC Improvements at Egan and Kirie Water Reclamation Plants - Mechanical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 27, 2026 |
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Corporate: City of Ottawa_Contract B_New Fox River WTP - Heating, Vent & Air-Cond
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Jan. 09, 2026 |
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D41 SUMMER IMPROVEMENTS - MEP WORK
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 14, 2026 |
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Corporate: CITY OF OTTAWA CONTRACT A - COLLECTION SYSTEM IMPROVEMENTS - Mechanical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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Corporate: WWTP Improvements - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 27, 2026 |
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Corporate: Downtown Hammond Train Station - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 08, 2026 |
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Corporate: Five Points Well Water Filter Plant - Heating, Vent & Air-Cond
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 15, 2026 |
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Corporate: Bloomington-Normal WRD_Plant 3 Headworks Improvements - Heating, Vent & Air-Cond
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 17, 2026 |
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Niedringhaus School HVAC Replacement Project
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 20, 2026 |
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Brian Dominick Early Childhood Center Construction - Mechanical
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 08, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 31, 2027 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 20, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 27, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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National Quantum Facility & Quantum Works
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 09, 2026 |
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Corporate: LEAD SERVICE LINE REPLACEMENT PROJECT STAGE III - Paving restoration
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 07, 2026 |
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Healthcare Job Order Contracting - General Work
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 22, 2026 |
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Public Library Exterior Entrance & Interior Improvements
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 26, 2025 |
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Parking Lot Improvements
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 07, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 07, 2026 |
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DIGESTER NO. 1 COVER REPLACEMENT
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 14, 2026 |
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ANIMAL CARE AND CONTROL CENTER
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 06, 2026 |
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Corporate: La Salle 2024 Water Systems Improvement Project - Masonry
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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Corporate: La Salle 2024 Water Systems Improvement Project - Rough Carpentry
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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Corporate: La Salle 2024 Water Systems Improvement Project - Thermal & Moisture Protection
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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Corporate: La Salle 2024 Water Systems Improvement Project - Openings
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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Corporate: La Salle 2024 Water Systems Improvement Project - Finishes
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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Corporate: La Salle 2024 Water Systems Improvement Project - Earthwork
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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Corporate: La Salle 2024 Water Systems Improvement Project - Exterior Improvement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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Corporate: La Salle 2024 Water Systems Improvement Project - Process Interconnections
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 13, 2026 |
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Ames Library Enclosure Repairs
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 16, 2026 |
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Interior Renovations - General Trades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 08, 2026 |
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