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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 1101–1150 of 2532 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Maryland - US Due Date
Ft. Detrick Elevator Maintenance
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 26, 2025
Corporate: Morgan State University O\u2019Connell Hall Student Housing \u2013 GMP 3 - Fire Protection
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 20, 2026
 
 
Massachusetts - US Due Date
King Open HVAC Well Netting
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 08, 2026
Ward Street Headworks Make-up Air Handling Units Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
HVAC Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 30, 2025
Town Buildings HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 26, 2026
Student Affairs Office Suite Renovation - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 23, 2025
Fire Stations - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 09, 2026
Exhaust Fan Replacement Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 05, 2026
Boiler Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 30, 2025
Wilks Library Boiler Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 12, 2026
MAU1 & DH1 REPLACEMENT - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 05, 2026
McCormack Control Center Video Wall - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 22, 2026
Youth Center HVAC Upgrade & Limited Improvements
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 29, 2026
WICKED COOL MYSTIC COOLING FEATURES AT BUS STOPS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 30, 2025
Elementary School Roof Replacement - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 06, 2026
New Center for Active Living - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
HVAC Annual Maintenance
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 30, 2025
Boiler Cleaning & Repair Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 30, 2025
HVAC Annual Maintenance & Boiler Cleaning & Repair
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 30, 2025
Boiler Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 21, 2026
Corporate: Repair and Abate Boat Maintenance Facility - HVAC & Ductwork
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 06, 2026
DCU Center Permanent Chiller
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 21, 2026
Make Up Air Unit Replacement Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 14, 2026
Phase 1 Waste Water Treatment Facility - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 13, 2026
STORAGE TANK HEAT EXCHANGER REPLACEMENT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 08, 2026
Youth Service Center - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 13, 2026
ELEVATOR MODERNIZATION at SENIOR CENTER & TOWN OFFICES BUILDING - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 14, 2026
HVACR Maintenance
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
History Center - Mechanical
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 23, 2025
New Center for Active Living - Glass & Glazing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
Youth Center HVAC Upgrade & Limited Improvements - Sub Bids
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 08, 2026
Corporate: Repair and Abate Boat Maintenance Facility - Insulation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 06, 2026
Glass Vendor
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2025
Youth Service Center - Glass & Glazing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 13, 2026
Renovations to Elevator Lobby - Glass and Glazing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Feb. 04, 2026
Installation of Security Systems and Equipment
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 29, 2026
Fire Alarm Upgrades
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 14, 2026
New Fire Alarm System Installation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2025
Underground Fiber Optic Cable Relocation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 06, 2026
Rebecca M. Johnson Elementary School Exterior Window and Door Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
Milton Bradley Elementary School Exterior Window and Door Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
Mary O. Pottenger Elementary School Exterior Window and Door Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
Fire Stations - Resilient Flooring
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 09, 2026
Removal and Replacement of Windows in Town Hall
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 09, 2026
New Center for Active Living - Resilient Flooring
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
Fire Dept. Overhead Door Replacements
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 21, 2026
Common Area Carpet Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
Phase 1 Waste Water Treatment Facility - Resilient Flooring
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 13, 2026
CURTAIN DOOR
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jan. 08, 2026

Showing 1101–1150 of 2532 bids that are currently: Active.