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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 451–500 of 3232 bids that are currently: Active.

Denotes bidding opportunities that have been amended

California - US Due Date
Corporate: Cold Plane AC pavement, place RHMA, Modify Signal and Lighting System \u2013 Modifying Lighting Systems
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 02, 2026
Corporate: Cold Plane AC pavement, place RHMA, Modify Signal and Lighting System \u2013 Modifying Signal And Lighting Systems
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 02, 2026
Corporate: Secondary Clarifiers Rehabilitation Project - ELECTRICAL
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 23, 2026
Corporate: Secondary Clarifiers Rehabilitation Project - ELECTRICAL
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 23, 2026
Corporate: Construct Roundabout \u2013 Lighting System
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 07, 2026
Corporate: MODULAR RESTROOM, SHADE STRUCTURE, AND SITE IMPROVEMENTS - electrical
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 02, 2026
Corporate: Lower Alemany Area Stormwater Improvement - Electrical: Temp
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 30, 2026
Corporate: Lower Alemany Area Stormwater Improvement - Electrical: Streetlight\/Streetcar
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 30, 2026
Corporate: Wastewater Treatment Plant Equalization Basin - Electrical
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 16, 2026
Corporate: Devil's Gate Southeast Entrance Improvements - Electrical
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 14, 2026
Corporate: Utah SPAN School - Electrical
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 07, 2026
Corporate: NCMT Berth 24-11 Structural Repair - Electrical
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Aug. 06, 2026
Signal and Lighting System
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 21, 2026
LIBRARY ELEVATOR MODERNIZATION
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
Corporate: WEST END REGIONAL NAVIGATION CENTER - Elevator
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 01, 2026
Garfield Elementary School Elevator Replacement Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Aug. 11, 2026
Galileo Academy of Science and Technology Bay Street Elevator Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Aug. 11, 2026
Galileo Academy of Science and Technology Polk Street Elevator Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Aug. 11, 2026
SFUSD Administration Building Elevator Replacement Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Aug. 11, 2026
Bret Harte Elementary School Elevator Replacement Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Aug. 11, 2026
ELEVATOR MODERNIZTION
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 22, 2026
Elevator Modernization Design, Construction Oversight and Inspection Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 10, 2026
Corporate: Utah SPAN School - Hydraulic Elevators
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 07, 2026
Building Automation System Standardization
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 14, 2026
Building 1600 VRF Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 22, 2026
Alarm System Dialer and Panel Upgrade Installation Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
KITCHEN HOOD FIRE EXTINGUISHING SYSTEM REPLACEMENT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 27, 2026
Health Campus BEMS Upgrade
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 16, 2026
DEFERRED MAINTENANCE
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 07, 2026
Nuc Med Equipment Installation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 08, 2026
Corporate: Baird Middle School Administration Building Health Suite Modernization - plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Dec. 16, 2026
Fire Suppression Repairs at Wastewater Treatment Plant
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
Fire Suppression Repairs at Environmental Resources
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 07, 2026
Reverse Osmosis System
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 22, 2026
Corporate: Banning - WWTP Equalization Basin - Process Piping
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 02, 2026
Hi-Desert Nature Museum Re-Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
Plumbing Repair and Maintenance Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 07, 2026
Corporate: Wastewater Treatment Plant Equalization Basin - Piping
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 02, 2026
Corporate: San Juan High School Science Wing Modernization - Plumbing Systems
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 01, 2026
Corporate: Merritt College: ADA and Site Improvements Project - Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
Corporate: ADA & Site Improvements \u2013 College of Alameda - Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
Corporate: COA ADA and Site Improvements - Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
Corporate: WEST END REGIONAL NAVIGATION CENTER - Fire Sprinkler
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 01, 2026
Corporate: WEST END REGIONAL NAVIGATION CENTER - Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 01, 2026
Corporate: Merritt College ADA and Site Improvements - Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
Plumbing Equipment, Related Supplies, and Repairs
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 16, 2026
Corporate: Riverstone Fire Station Madera - Plumbing & Fixtures
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 11, 2026
Backflow Prevention Devices and Fire Hydrant Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 15, 2026
Corporate: Mesa Middle School SPED-Science Building - Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
Water Consolidations Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 02, 2026

Showing 451–500 of 3232 bids that are currently: Active.