The Sector as a Whole The construction sector comprises establishments primarily engaged in the construction of buildings or engineering projects (e.g., highways and utility systems). Establishments primarily engaged in the preparation of sites for new construction and establishments primarily engaged in subdividing land for sale as building sites also are included in this sector. Construction work done may include new work, additions, alterations, or maintenance and repairs. Activities of these establishments generally are managed at a fixed place of business, but they usually perform construction activities at multiple project sites. Production responsibilities for establishments in this sector are usually specified in (1) contracts with the owners of construction projects (prime contracts) or (2) contracts with other construction establishments (subcontracts). Establishments primarily engaged in contracts that include responsibility for all aspects of individual construction projects are commonly known as general contractors, but also may be known as design-builders, construction managers, turnkey contractors, or (in cases where two or more establishments jointly secure a general contract) joint-venture contractors. Construction managers that provide oversight and scheduling only (i.e., agency) as well as construction managers that are responsible for the entire project (i.e., at risk) are included as general contractor type establishments. Establishments of the "general contractor type" frequently arrange construction of separate parts of their projects through subcontracts with other construction establishments. Establishments primarily engaged in activities to produce a specific component (e.g., masonry, painting, and electrical work) of a construction project are commonly known as specialty trade contractors. Activities of specialty trade contractors are usually subcontracted from other construction establishments, but especially in remodeling and repair construction, the work may be done directly for the owner of the property. Establishments primarily engaged in activities to construct buildings to be sold on sites that they own are known as operative builders, but also may be known as speculative builders or merchant builders. Operative builders produce buildings in a manner similar to general contractors, but their production processes also include site acquisition and securing of financial backing. Operative builders are most often associated with the construction of residential buildings. Like general contractors, they may subcontract all or part of the actual construction work on their buildings. There are substantial differences in the types of equipment, work force skills, and other inputs required by establishments in this sector. To highlight these differences and variations in the underlying production functions, this sector is divided into three subsectors. Subsector 236, Construction of Buildings, comprises establishments of the general contractor type and operative builders involved in the construction of buildings. Subsector 237, Heavy and Civil Engineering Construction, comprises establishments involved in the construction of engineering projects. Subsector 238, Specialty Trade Contractors, comprises establishments engaged in specialty trade activities generally needed in the construction of all types of buildings. Force account construction is construction work performed by an enterprise primarily engaged in some business other than construction for its own account and use, using employees of the enterprise. This activity is not included in the construction sector unless the construction work performed is the primary activity of a separate establishment of the enterprise. The installation and the ongoing repair and maintenance of telecommunications and utility networks is excluded from construction when the establishments performing the work are not independent contractors. Although a growing proportion of this work is subcontracted to independent contractors in the Construction Sector, the operating units of telecommunications and utility companies performing this work are included with the telecommunications or utility activities.
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| California - US | Agency | Bid Type | Due Date | As PDF |
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Fire Protection System Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 13, 2026 |
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Corporate: Alchemist Public Market - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 23, 2026 |
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Corporate: Alchemist Public Market - Fire Sprinkler System
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 23, 2026 |
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Corporate: Imperial Valley College PSRT Center & M&O Facility - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 17, 2026 |
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Residential Plumbing Contractor
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 24, 2026 |
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EMERGENCY AND NON-EMERGENCY ON-CALL PLUMBING SERVICES
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 20, 2026 |
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Backflow Replacement & Testing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 25, 2026 |
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On-Call Plumbing Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 25, 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 | Feb. 13, 2026 |
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Corporate: Calpine Well & Treatment Project - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 19, 2026 |
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Corporate: City of Corning Plaza and Recreation Center - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 19, 2026 |
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Corporate: Death Valley - Furnace Creek & Cow Creek WTP\/WWTP Rehabilitation - Packaged Pump Station
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 17, 2026 |
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Corporate: Death Valley - Furnace Creek & Cow Creek WTP\/WWTP Rehabilitation - Piping DIP\/PVS\/SST\/STL\/HDPE
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 17, 2026 |
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Corporate: Town of Windsor \u2013 Secondary Treatment System Upgrades Project - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 03, 2026 |
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Boiler and Cooling Towers Water Treatment
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 20, 2026 |
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Corporate: Aquatic Center at Bell Gardens High School & Montebello HS - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 26, 2026 |
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Corporate: 26th Street MARS\/ELO-P Facility Increments No. 1 & No. 2 - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 17, 2026 |
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Corporate: JCC Butte Juvenile Court Renovation - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 03, 2026 |
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Corporate: LAX UAL Hangar Demo - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 19, 2026 |
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Corporate: Broadway Plaza - Athleta TI - Fire Sprinkler
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 18, 2026 |
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Corporate: San Juan High School Modernization - Plumbing Systems
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 26, 2026 |
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Corporate: Mission Bay South Block 4E PH1 & PH2 - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 03, 2026 |
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Corporate: Merced City School District - Fire Sprinklers
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 17, 2026 |
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Corporate: Merced City School District - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 17, 2026 |
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Corporate: WASTEWATER TREATMENT & COLLECTION IMPOVEMENTS - Plumber
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 04, 2026 |
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Corporate: William Woollett Jr. Aquatic Center Expansion and Heritage Park Parking Lots - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 23, 2026 |
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Corporate: Dartmouth Middle School HVAC and Roofing Upgrades - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 13, 2026 |
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Corporate: Chinatown Branch Library Renovation - PLUMBING
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 18, 2026 |
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Corporate: Secondary Treatment System Upgrades Project - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 27, 2026 |
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Corporate: John Adams Allied Health Relocation - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 16, 2026 |
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Corporate: Hydronic System Modernization Phase 1 Project - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 04, 2026 |
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Corporate: Hydronic System Modernization Phase 1 Project - Pipe Insulation
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 04, 2026 |
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Corporate: Installation of District Purchased Portable Bldgs, Site Access Improvements & Install Fire Hydrant - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 20, 2026 |
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Corporate: Merced City School District 26th Street MARS\/ELO-P Facility - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 17, 2026 |
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Corporate: Wilbur Charter for Enrichment Academy - ADA Barrier Removal - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 13, 2026 |
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Corporate: AQUATIC CENTER AT BELL GARDENS HIGH SCHOOL - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 27, 2026 |
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Corporate: Fresno HSR Early Works - Fire Sprinkler
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 28, 2026 |
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Corporate: Fresno HSR Early Works - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 28, 2026 |
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Eyewash Station Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 24, 2026 |
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Corporate: Alice Birney ES - Inc. 2 Whole Site Modernization - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 19, 2026 |
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Corporate: SRCS District Office Modernization Phase 3 - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 25, 2026 |
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Corporate: Cabrillo College Watsonville Restroom ADA Renovations - plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 17, 2026 |
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Corporate: Whittier Narrows Splash Pad - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 17, 2026 |
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WATER, GAS AND WASTEWATER PLUMBING
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 04, 2026 |
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23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Feb. 20, 2026 |
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Corporate: Glen Speck Elementary School Modernization Project - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 23, 2026 |
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Corporate: Delta High School Modernization of Existing Classrooms - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 18, 2026 |
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Corporate: Irene B. West Elementary School Parking Lot Expansion - Irrigation
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 13, 2026 |
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Corporate: ESFV LRT - FFP 01 Guideway - Station Plumbing-Sub
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Feb. 21, 2026 |
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Corporate: Washington MS Transformation - Plumbing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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