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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 3368 bids that are currently: Active.
Denotes bidding opportunities that have been amended
| California - US | Agency | Bid Type | Due Date | As PDF |
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Corporate: Water Line Replacement - Pipe Abandonment
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 21, 2026 |
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Backflow Services for Region II
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 30, 2026 |
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Corporate: La Quinta High School Modernization - Plumbing: Site and Building
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 21, 2026 |
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Corporate: August Knodt ES and Stella Brockman ES - Basic Plumbing Requirements
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 29, 2026 |
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Corporate: August Knodt ES and Stella Brockman ES - Plumbing Vibration and Seismic Control
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 29, 2026 |
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Corporate: August Knodt ES and Stella Brockman ES - Plumbing Identification
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 29, 2026 |
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Corporate: August Knodt ES and Stella Brockman ES - Plumbing Insulation
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 22, 2026 |
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Corporate: August Knodt ES and Stella Brockman ES - Plumbing Piping Systems
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 29, 2026 |
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Corporate: August Knodt ES and Stella Brockman ES - Plumbing Fixtures and Trim
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 29, 2026 |
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Corporate: Earthwork, Construct Solider Pile Walls and Place New Roadway Sections - CORRUGATED STEEL PIPE DOWNDRAIN
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 07, 2026 |
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Corporate: Gumtree and Knoll Park Pipeline Replacement Project - Water Main installation, tie-ins, valves, hydrants
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 29, 2026 |
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Corporate: WRRF Expansion - plumbing subcontractor
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 16, 2026 |
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Corporate: POLB - PIER B ON-DOCK RAIL SUPPORT FACILITY WEST EXPANSION & PIER B STREET REALIGNMENT - PIPE LINING
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 15, 2026 |
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Corporate: POLB - PIER B ON-DOCK RAIL SUPPORT FACILITY WEST EXPANSION & PIER B STREET REALIGNMENT - PIPE FUSING
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 15, 2026 |
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Corporate: LAUSD Palisades Charter Elementary School - PLUMBING
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 08, 2026 |
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Corporate: SBWRP Reverse Osmosis System - Piping
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 15, 2026 |
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Corporate: SDUSD Loma Portal Elementary School Whole Site Modernization - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 24, 2026 |
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Corporate: SBWRP Reverse Osmosis System - Process Pipe and Tubing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 15, 2026 |
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Corporate: SBWRP Reverse Osmosis System - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 15, 2026 |
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Corporate: Paradise Behavioral Health Center - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 17, 2026 |
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Corporate: Orosi High School Ag Building-Modular - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 17, 2026 |
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Corporate: Natomas Reach B Pumping Plant 5 - Concrete Pumping
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 28, 2026 |
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Corporate: 3127 TRANSWORLD OFFICE BUILDING TENANT IMPROVEMENTS - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 17, 2026 |
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Corporate: Monterey Peninsula College - Marina Education Center Expansion - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 30, 2026 |
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Corporate: Macy Elementary School - Domestic Water
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 23, 2026 |
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Plumbing Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 15, 2026 |
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Backflow Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 22, 2026 |
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Corporate: Kenwood Fire Station Remodel - Fire Alarm & Fire Sprinkler
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 18, 2026 |
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Corporate: Kenwood Fire Station Remodel - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 18, 2026 |
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Corporate: Corporate: Construction Agreement \u2013 Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 18, 2026 |
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Corporate: American Union Elementary School-Music Building - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 24, 2026 |
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Backflow Testing and Certification
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 13, 2026 |
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Corporate: Palmdale School District ELOP Center - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 16, 2026 |
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Corporate: American Union Elementary School, Music Building - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 24, 2026 |
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Corporate: Acosta Operations Center (BP 14 - Pre-Action & Wet Fire Sprinkler)
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 15, 2026 |
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Corporate: Acosta Operations Center (BP 16 - Plumbing)
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 15, 2026 |
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Corporate: FOWLER HIGH SCHOOL 16 CLASSROOM BLDG. - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 07, 2026 |
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Corporate: Wastewater System Expansion Project - PLUMBING
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 08, 2026 |
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Plumbing Repairs Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 14, 2026 |
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Water Treatment Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Sep. 15, 2026 |
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Treatment for Boiler\/Chiller Water Loop Systems
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 06, 2026 |
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Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Backflow Prevention
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 22, 2026 |
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Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Interior Sprinklers
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 22, 2026 |
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Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Plumbing Fixtures and Equipment
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 22, 2026 |
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Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Plumbing Installation
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 22, 2026 |
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Corporate: Fairgrove TK\/K Building & Campuswide Fire Alarm - Water Heater Installation
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 22, 2026 |
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Corporate: Kashia Windsor Affordable Housing - Plumbing and Fixtures
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 14, 2026 |
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Corporate: Ramkabir Permanent Supportive Housing Project - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 23, 2026 |
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Corporate: Sitework for New 2 Story Classroom Building - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Sep. 23, 2026 |
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Park Plumbing Project
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 13, 2026 |
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