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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 3101–3150 of 3381 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Wisconsin - US Due Date
REPLACE STEAM BOILER AND AIR CONDITIONING
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
HVAC REPLACEMENT AND CONTROLS UPGRADE
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Northwest Garage & DPW Field Headquarters \u2013 Air Handling Unit Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
HVAC SYSTEM RENOVATION
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 15, 2026
Boiler Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 21, 2026
NEW CENTRIFUGAL CHILLER AND TOWER
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 21, 2026
Pre-Trial Facility HVAC Improvements Phase 2
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 14, 2026
STEAM CONDENSATE LINE REPLACEMENT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 14, 2026
CHILLER REPLACEMENT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 15, 2026
DOMESTIC WATER UPGRADES
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 15, 2026
Courthouse Frieze Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 25, 2026
HVAC Chiller Maintenance
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026
Courthouse HVAC and Lighting Upgrades
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 29, 2026
ELECTRICAL IMPROVEMENTS - MEP
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
STEAM AND CONDENSATE UTILITY REPLACEMENT PITS 28 TO 29
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
SITEWIDE RENOVATION & MAINTENANCE - MEP
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
SHOWER ROOM RENOVATION - MEP
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
INSTALL SITE FENCING - MEP
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
STEAM PRESSURE REDUCING STATION REPLACEMENT - MEP
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 29, 2026
HVAC SYSTEM RENOVATION - MEP
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 01, 2026
NEW CENTRIFUGAL CHILLER AND TOWER - MEP
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 07, 2026
THERMAL VALVE REPLACEMENT & CATWALK
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 15, 2026
MUSEUM UPGRADES AND IMPROVEMENTS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 20, 2026
MEDICAL GAS SYSTEM IMPROVEMENTS - MEP
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 20, 2026
MEDICAL GAS SYSTEM IMPROVEMENTS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Nov. 03, 2026
NEW WAREHOUSE - MEP
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 27, 2026
KOHL CENTER FIRE ALARM UPGRADE
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
CONTROL CENTER REMODEL & DOOR CONTROLS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 01, 2026
ELECTRICAL IMPROVEMENTS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 29, 2026
EMERGENCY GENERATOR AND SWITCHGEAR REPLACEMENT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
GENERATOR REPLACEMENT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
LIGHTING IMPROVEMENTS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Courtroom Data & Fiber Optic Cable Installation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
FY26 LSS Cubicles electrical and IT wiring in CCRU Facility
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
FY26 LSS Cubicles electrical and IT wiring in CCRU Facility
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Elevator Maintenance
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 09, 2026
ELEVATOR REPLACEMENTS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026
Corporate: New Jail and LEC - Elevator
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Building 280 and Building 289 Elevator Modernization
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 06, 2026
STEAM PRESSURE REDUCING STATION REPLACEMENT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 13, 2026
RFP-2026-0008 Plumbing Maintenance and Emergency After-Hour Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 25, 2026
RFP-2026-0007 Annual Plumbing Maintenance and Emergency After-Hour Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 25, 2026
City Hall Monument Sign Rehabilitation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 25, 2026
 
 
Wyoming - US Due Date
Reno and Hulett ES\/MS\/HS Boiler Replacements
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 08, 2026
HVAC Controls and Building Automation Systems
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 06, 2026
SENIOR CENTER HEATING PLANT\/BAS REPLACEMENTS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Corporate: Corporate: Metro Animal Shelter project - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Hogadon Chair Lift
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
MECHANICAL HEATING SYSTEM AND CONTROLS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
Heating system at the Town Hall and Fire Station
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 01, 2026

Showing 3101–3150 of 3381 bids that are currently: Active.