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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 2651–2700 of 2865 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Wisconsin - US Due Date
UNINTERRUPTIBLE POWER SUPPLY REPLACEMENTS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
ELECTRICAL MAIN BREAKER REPLACEMENT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 02, 2026
ELECTRICAL TESTING, MAINTENANCE, & CLEANING
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 02, 2026
Foster Shop HVAC & Lighting replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
Ashwaubenon Library Fiber Optic Connection
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Elevator Modernization
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 20, 2026
ELEVATOR MODIFICATIONS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 09, 2026
ELEVATOR 1 MODERNIZATION
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 23, 2026
550-26-158 Sanitary Sewer Pipe Repair B58
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 06, 2026
Welcome Center Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 20, 2026
FIRE ESCAPE MAINTENANCE
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 16, 2026
 
 
Wyoming - US Due Date
PERFORMING ARTS \u2013 AHU & ERV REPLACEMENT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Boiler Plant and Controls
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
GILLETTE HVAC REMOVAL AND REPLACEMENT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 08, 2026
Yellowstone NP - Boiler Replacement FY26
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 20, 2026
Re-roof & HVAC Upgrades for Ralph Witters ES
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 30, 2026
Glendo Elementary School HVAC Renovations
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 14, 2026
Auto Tech Bldg. Energy Recovery Unit
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
Ft. Washakie High School Gymnasium Cooling
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
DISTRICT WIDE MECHANICAL RE-KEY & DOOR HARDWARE UPGRADE
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Replacement of Automatic Transfer Switch (ATS)
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 20, 2026
Wright Jr. Sr. High Lighting Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
PRONGHORN ELEMENTARY LIGHTING REPLACEMENT PROJECT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
AS NEEDED ELECTRICAL SERVICES, STATEWIDE
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
Airport 3-Phase Power Extension Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
 
 
Alberta - CA Due Date
RTU and Boiler Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
Police Station Boiler Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
Mechanical Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Government Centre Power House - Cooling Towers Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Mechanical Contractors
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
Turn-Key Installation and Commissioning of a Central Ground Source Heat Pump (GSHP) System(s)
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 09, 2026
Kantech Controller Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 31, 2026
Streetlight Infrastructure Replacement Program
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Lighting Control System Retrofit
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 15, 2026
Elevator Modernization and Fire Alarm Upgrade
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Elevator Alterations
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
Campus Rekey
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 20, 2026
Susa Creek Fire Alarm Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 08, 2026
 
 
British Columbia - CA Due Date
HVAC Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Aug. 31, 2026
VGH Willow Boilers Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 20, 2026
Maritime Heritage Centre Heat Pump Replacements
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 23, 2026
HVAC & Electrical Upgrade
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
VGH Blusson Condensate Pumps Relocation and Ventilation Upgrade
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
Kal Tire Place Condenser Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 14, 2026
Ioco Cleansing Station Upgrades
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
Electrical Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Aug. 31, 2026
Electrical Maintenance and Repair Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 29, 2026
SUBSTATION ELECTRICAL RECLOSER INSTALL AND TESTING
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
Electrical Maintenance and Repair
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 18, 2026
Silver Star Ridge Streetlight Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 17, 2026

Showing 2651–2700 of 2865 bids that are currently: Active.