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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 501–550 of 3050 bids that are currently: Active.

Denotes bidding opportunities that have been amended

California - US Due Date
Corporate: UPPER YOSEMITE CREEK DAYLIGHTING - Concrete Pumping
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 02, 2026
Corporate: Annual Street Overlay\/Rehabilitation 2019-2021 Phase III - Filter Fabric
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
Corporate: Alice Birney ES - Inc. 2 Whole Site Modernization - Fire Suppression
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
JOC SPECIALTY SECURITY
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Corporate: Washington MS Transformation - Fire Suppression
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
Corporate: Washington MS Transformation - Fireproofing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
Fire Systems Inspection and Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 23, 2026
Corporate: Princeton High School Shop Building - fire suppression
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 17, 2026
Lesher Center Fire Alarm Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
Fire Sprinkler Certification Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Fire Alarm Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 16, 2026
Fire Alarm Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Corporate: COS Theater & McCloud Hall - Fire Suppression
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
Corporate: La Tercera ES Building H Remodel \u2013 Electronic Safety & Security
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Fire Life Safety
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 01, 2026
Corporate: Chinatown Branch Library Renovation - FIRE SUPPRESSION
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 18, 2026
Huts - Fire Suppression System
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 08, 2026
Corporate: Chinatown Branch Library Renovation - Fireproofing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 18, 2026
Corporate: Chinatown Branch Library Renovation - Fire Protection
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 18, 2026
Corporate: Kaseberg Elementry School - DATA & FIRE ALARM
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
Corporate: Alameda Aquatic Center - Fall Protection
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 04, 2026
Corporate: Cathedral City High School - Fire Suppression
23 - Construction
(to see the full NAICS category code login  or  upgrade)
May. 11, 2026
Corporate: UCB Gateway \u2013 Dean\u2019s Suite - Fire Alarm
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
Corporate: Bakersfield Temple GMP - Fire Protection
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 02, 2026
Corporate: Phase 1 of the Argus & Endeavor Campus Lease-Leaseback Project - Signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 17, 2026
Corporate: Butte County - New Probation Building - Signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 01, 2026
Corporate: COS Theater & McCloud Hall - Signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
Corporate: Del Paso Heights Elementary School Restrooms & Exterior Building Improvements - Signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
Corporate: LA PUENTE CITY PARK ACTIVITY CENTER - Signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 17, 2026
Corporate: Salinas Valley Health Seismic Compliance - signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Corporate: Alameda Aquatic Center - Signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 04, 2026
City Hall Safety Improvements
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 31, 2026
Corporate: Sutter's Landing Park Improvements - Signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 28, 2026
Corporate: JCC Butte Juvenile Court Renovation - Plaques, Signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
MAGTFTC MCAGCC; Twentynine Palms, CA; Repair conveyor and sorting belts request
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 19, 2026
 
 
Colorado - US Due Date
HVAC Equipment Updates and Replacements
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 16, 2026
Middle School HVAC Concealment Screen
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 08, 2026
Corporate: McGowan Vet Clinic - HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 16, 2026
Maintenance Service Plan at The Landing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 31, 2026
Boiler System Replacement Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 03, 2026
Corporate: Thornton PFAS Treatment Project - Plumbing & HVAC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
FCI Englewood - Repair FDC PK Boiler
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 18, 2026
GCFD POWERPLANT UPS (SCADA EACSS)
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 16, 2026
Network and Telecom Cabling Installation and Support Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 25, 2026
Fire Prot Replace
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 30, 2026
AV Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
Contracted Electrical Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 17, 2026
Public Lighting and Segment 4B Phase 2
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 26, 2026
Call Center UPS Redundancy Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 16, 2026
Outdoor Holiday Lighting Service
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 31, 2026

Showing 501–550 of 3050 bids that are currently: Active.