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This industry group comprises establishments primarily engaged in installing or servicing equipment that forms part of a building mechanical system (e.g., electricity, water, heating, and cooling). The work performed may include new work, additions, alterations, maintenance, and repairs. Contractors installing specialized building equipment, such as elevators, escalators, service station equipment, and central vacuum cleaning systems are also included.

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Showing 51–100 of 3001 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Alaska - US Due Date
DWV Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 02, 2026
Fire Systems Testing, Inspection & Monitoring
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 02, 2026
 
 
Arizona - US Due Date
Foothill\u2019s Branch Library - Rooftop AC Units Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
FY26 Laundry Fire Suppression System (FCI Safford)
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
Air Filter Replacement Service
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 10, 2026
Exclusive Event Utilities
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 27, 2026
Mechanical & Plumbing Contracting Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 10, 2026
 
 
Arkansas - US Due Date
Corporate: Agri Center Redesigned Agri Science project - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
HVAC Repair and Maintenance
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 16, 2026
Window replacement on the county courthouse
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 02, 2026
Corporate: Agri Center Redesigned Agri Science project - Data, cable management, racks, equipment
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
598-19-112 Replace Underground 15kV Feeders and Transformers-NLR
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 25, 2026
Commerce Building Lighting Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Placement and installation ofLED sports field lighting at theTrumann Sports Complex
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 28, 2026
Corporate: Agri Center Redesigned Agri Science project - Electrical
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
Corporate: Agri Center Redesigned Agri Science project - Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
Corporate: Agri Center Redesigned Agri Science project - Fire Suppression
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
Corporate: Agri Center Redesigned Agri Science project - Fire Alarm
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
 
 
California - US Due Date
HVAC Replacement and Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
Haynes Generating Station Unit 8 Cooling System Retrofit Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 01, 2026
HVAC Replacement Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 31, 2026
Corporate: Alice Birney ES - Inc. 2 Whole Site Modernization - HVAC & Controls
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
Corporate: Crystal Springs Pipeline No. 2 Reach 5 Lining Replacement - Mechanical
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
Destratification Fan Installation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
HVAC REPLACEMENT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 18, 2026
HVAC REPLACEMENT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
Electric Vehicle Charging Station
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
HVAC Replacement Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
Corporate Yard Evaporative Cooler Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 18, 2026
Water Heater Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
Corporate: Butte County - New Probation Building - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 01, 2026
Heat Recovery Steam Generator Insulation Maintenance
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 02, 2026
Corporate: SCSD District Wide Building Envelope - Mechanical
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 18, 2026
Corporate: Secondary Treatment System Upgrades Project - Heating & Air Conditioning
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 18, 2026
HVAC Replacement Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
Chilled Water Plant Replacement Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 25, 2026
Mechanical and Refrigeration Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Corporate: COS Theater & McCloud Hall - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
Corporate: La Tercera ES Building H Remodel \u2013 HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Corporate: Del Paso Heights Elementary School Restrooms & Exterior Building Improvements - Mechanical\/HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
Fire Station 45 HVAC Replacement Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 25, 2026
Police Department HVAC Unit Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
HVAC Replacement at Bridgeway Lakes Boathouse
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
Phase 2 City Hall HVAC Improvements Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 01, 2026
Headquarters Fan Coil Unit Installation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 06, 2026
Corporate: Secondary Treatment System Upgrades Project - Basic Mechanical Building Systems Material & Methods
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 18, 2026
Corporate: Secondary Treatment System Upgrades Project - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 18, 2026
Corporate: RCD Lakeside Apartments - Mechanical\/HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
HVAC RENOVATION
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
Corporate: Dolores Huerta Elementary School Roof Replacement - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026

Showing 51–100 of 3001 bids that are currently: Active.