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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 551–600 of 3282 bids that are currently: Active.

Denotes bidding opportunities that have been amended

California - US Due Date
Corporate: Wastewater System Expansion Project - PLUMBING
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 08, 2026
Plumbing Repairs Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 14, 2026
Water Treatment Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
Treatment for Boiler\/Chiller Water Loop Systems
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 06, 2026
Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Backflow Prevention
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Interior Sprinklers
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Plumbing Fixtures and Equipment
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Plumbing Installation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Water Heater Installation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Corporate: Ramkabir Permanent Supportive Housing Project - Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026
Corporate: Sitework for New 2 Story Classroom Building - Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026
Park Plumbing Project
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 13, 2026
Corporate: Purified Water Replenishment San Jacinto Valley Advanced Water Purification Facility - Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 20, 2026
Corporate: Eastern Municipal Water District (EMWD) San Jacinto Valley Advanced Water Purification Facility (AWPF) - Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 19, 2026
Corporate: McClellan Park Bay G & H Tenant Improvements - Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2026
Corporate: McClellan Park Bay G & H Tenant Improvements - Fire sprinkler modifications
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2026
Corporate: Biola CSD Wastewater Treatment Plant Improvements - U\/G Piping
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 21, 2026
Corporate: Biola CSD Wastewater Treatment Plant Improvements - Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 21, 2026
Corporate: Biola CSD Wastewater Treatment Plant Improvements - Piping DIP\/PVC
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 21, 2026
Corporate: Westminster EEC-Outdoor Classroom and Campus Upgrade - Plumbing
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Corporate: Hodge Elementary Parking Lot Expansion - Irrigation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 01, 2026
Corporate: Westminster EEC-Outdoor Classroom and Campus Upgrade - Potable Water Irrigation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Corporate: Westminster EEC-Outdoor Classroom and Campus Upgrade - Site Water Distribution
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Corporate: Cathedral City High School - Increment 02c - Technology & Fire Alarm
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Corporate: Cathedral City High School - Increment 02c - Fire Protection
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Fairgrove TK\/K Building & Campuswide Fire Alarm
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Corporate: CCC Campus Safety Building - Fire Alarm
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Corporate: WRRF Expansion - fire systems subcontractor
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Corporate: WRRF Expansion - firestopping subcontractor
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Corporate: LAUSD Palisades Charter Elementary School - FIRE ALARM
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 08, 2026
Corporate: Behavioral Health Campus at Metropolitan State Hospital - Fire Protection Specialties
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
RIVERSIDE LAB FIRE ALARM REPLACEMENT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026
Corporate: Paradise Behavioral Health Center - Fire alarm
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Fire Alarm and Sprinkler System Monitoring, Inspection, Testing, and Maintenance Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Fire Inspection and Testing Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Corporate: Transworld Office Building Tenant Improvements - Fire Suppression
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Corporate: Monterey Peninsula College - Marina Education Center Expansion - Fire Suppression
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2026
Corporate: Corporate: Construction Agreement \u2013 Fire Protection
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Corporate: Corporate: Construction Agreement \u2013 Electronic Safety and Security
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Fire Suppression
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Corporate: Eastern Municipal Water District (EMWD) San Jacinto Valley Advanced Water Purification Facility (AWPF) - Fire Protection
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 19, 2026
Corporate: SCSD District Wide Building Envelope Project - Summer 2027 - Fire Suppression
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 01, 2026
Corporate: Anthony Munoz Community Center Gymnasium - Signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Corporate: POLB - PIER B ON-DOCK RAIL SUPPORT FACILITY WEST EXPANSION & PIER B STREET REALIGNMENT - CONSTRUCTION AREA SIGNS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
Corporate: August Knodt ES and Stella Brockman ES - Signage and Graphics
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 29, 2026
Corporate: SBWRP Reverse Osmosis System - Signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
Corporate: 3127 TRANSWORLD OFFICE BUILDING TENANT IMPROVEMENTS - Signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Corporate: Kenwood Fire Station Remodel - Signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Corporate: Westminster EEC-Outdoor Classroom and Campus Upgrade - Signage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026

Showing 551–600 of 3282 bids that are currently: Active.