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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 251–300 of 3368 bids that are currently: Active.

Denotes bidding opportunities that have been amended

California - US Due Date
Corporate: American Union Elementary School-Music Building - Insulation
23 - Construction
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Sep. 24, 2026
Corporate: American Union Elementary School-Music Building - Drywall
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Corporate: American Union Elementary School-Music Building - Plastering
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Corporate: Palmdale School District ELOP Center - Grading
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Corporate: Job Order Contracts 032, 033, 034 & 035 (W4011C) - Subgrade grading and compaction
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Nov. 06, 2026
Corporate: Gehringer Elementary School Sewer Improvement - Paving
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026
Corporate: FOWLER HIGH SCHOOL 16 CLASSROOM BLDG. - Insulation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 07, 2026
Intent to Sole Source
23 - Construction
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Sep. 16, 2026
Corporate: Kashia Windsor Affordable Housing - Commercial Kitchen
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 14, 2026
Corporate: Ramkabir Permanent Supportive Housing Project - Insulation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026
Corporate: Ramkabir Permanent Supportive Housing Project - Drywall
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026
Corporate: Ramkabir Permanent Supportive Housing Project - Seismic Retrofit
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026
Corporate: Ramkabir Permanent Supportive Housing Project - ADA
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026
Corporate: Ramkabir Permanent Supportive Housing Project - Paving
23 - Construction
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Sep. 23, 2026
Off Grid PV Solar System Battery Replacements
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Corporate: Secondary Treatment System Upgrades Project - Louvers & Vents
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 08, 2026
Corporate: Purified Water Replenishment San Jacinto Valley Advanced Water Purification Facility - Louvers
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 20, 2026
CITY HALL SECURITY CAMERAS UPGRADE PROJECT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
CCTV Inspections and Recommendations
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
JUVENILE HALL CAMERA SYSTEM
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Corporate: JCSD Intervalley Pipeline Project - Pre & Post Video
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Corporate: JCSD Intervalley Pipeline Project - Video Inspection of Pipe
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Security Camera and Closed-Circuit Television System Installation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 28, 2026
Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 Modifying Camera Systems
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 Modifying Camera Systems
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 Fiber Optic Cable Systems
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 Modifying Camera Systems
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Corporate: JCSD Intervalley Pipeline Project - CCTV Video Inspection
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Corporate: Gumtree and Knoll Park Pipeline Replacement Project - Preconstruction video
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 29, 2026
Corporate: Intervalley Pipeline Project - Preconstruction Video
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Corporate: Construct JPCP, HMA, Drainage System, sign structures, and Electrical System \u2013 Modifying Fiber Optics Cable Systems
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 06, 2026
Corporate: Construct JPCP, HMA, Drainage System, sign structures, and Electrical System \u2013 Temporary Fiber Optics Cable Systems
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 06, 2026
Corporate: Construct JPCP, HMA, Drainage System, sign structures, and Electrical System \u2013 Modifying Fiber Optics Cable Systems(Octa)
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 06, 2026
Corporate: Construct JPCP, HMA, Drainage System, sign structures, and Electrical System \u2013 Temporary Fiber Optics Cable Systems(Octa)
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 06, 2026
Corporate: JCSD Intervalley Pipeline Project - Pre Video
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Corporate: Water Line Replacement - Preconstruction Video
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 21, 2026
Corporate: POLB - PIER B ON-DOCK RAIL SUPPORT FACILITY WEST EXPANSION & PIER B STREET REALIGNMENT - CAMERA SYSTEM
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
Corporate: Construct Bridge, Aux Lanes, Geo Reinf Emb, Rock Exc, Elect, Landscape \u2013 Camera Systems
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 01, 2026
Corporate: Construct Bridge, Aux Lanes, Geo Reinf Emb, Rock Exc, Elect, Landscape \u2013 Fiber Optic Cable Systems
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 01, 2026
Corporate: Construct JPCP, HMA, Drainage System, Sign Structures, and Electrical System \u2013 Modifying Fiber Optics Cable Systems(Octa) Ls 1
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 06, 2026
Corporate: Construct JPCP, HMA, Drainage System, Sign Structures, and Electrical System \u2013 Temporary Fiber Optics Cable Systems Ls 1
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 06, 2026
Corporate: Construct JPCP, HMA, Drainage System, Sign Structures, and Electrical System \u2013 Modifying Fiber Optics Cable Systems Ls 1
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 06, 2026
Corporate: Pier B On-Dock Rail Support Facility West Expansion and Pier B Street Realignment - telecommunication
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
Message Switch System Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 21, 2026
Corporate: Gumtree and Knoll Park Pipeline Replacement Project - Materials Testing, Compaction Testing, Welding Inspection, CCTV Inspection
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 29, 2026
Corporate: POLB - PIER B ON-DOCK RAIL SUPPORT FACILITY WEST EXPANSION & PIER B STREET REALIGNMENT - CAMERA SYSTEM
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
Corporate: LAUSD Palisades Charter Elementary School - COMMUNICATIONS
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Oct. 08, 2026
Corporate: Replace Drainage, Electrical Systems, and Guardrail with Concrete Barrier \u2013 Modifying Camera Systems
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Corporate: 3127 TRANSWORLD OFFICE BUILDING TENANT IMPROVEMENTS - Fire Alarm
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Corporate: Macy Elementary School - Fire alarm and Low voltage
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026

Showing 251–300 of 3368 bids that are currently: Active.