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The Heavy and Civil Engineering Construction subsector comprises establishments whose primary activity is the construction of entire engineering projects (e.g., highways and dams), and specialty trade contractors, whose primary activity is the production of a specific component for such projects. Specialty trade contractors in Heavy and Civil Engineering Construction generally are performing activities that are specific to heavy and civil engineering construction projects and are not normally performed on buildings. The work performed may include new work, additions, alterations, or maintenance and repairs. Specialty trade activities are classified in this subsector if the skills and equipment present are specific to heavy or civil engineering construction projects. For example, specialized equipment is needed to paint lines on highways. This equipment is not normally used in building applications so the activity is classified in this subsector. Traffic signal installation, while specific to highways, uses much of the same skills and equipment that are needed for electrical work in building projects and is therefore classified in Subsector 238, Specialty Trade Contractors. Construction projects involving water resources (e.g., dredging and land drainage) and projects involving open space improvement (e.g., parks and trails) are included in this subsector. Establishments whose primary activity is the subdivision of land into individual building lots usually perform various additional site-improvement activities (e.g., road building and utility line installation) and are included in this subsector. Establishments in this subsector are classified based on the types of structures that they construct. This classification reflects variations in the requirements of the underlying production processes.

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Showing 1151–1200 of 4565 bids that are currently: Active.

Denotes bidding opportunities that have been amended

California - US Due Date
Corporate: HMA-A, Cold Plane Asphalt, Ditch Excavation and Paint Traffic Stripe \u2013 Develop Water Supply
23 - Construction
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May. 28, 2026
Corporate: Coyote Creek Flood Protection - DEWATERING
23 - Construction
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Jun. 24, 2026
Wastewater Rehabilitation Wastewater Rehabilitation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jun. 05, 2026
ABOVEGROUND STORAGE TANK
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jun. 02, 2026
PFAS Water Treatment Plants
23 - Construction
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Jun. 08, 2026
Corporate: Pure Water Antelope Valley Advanced Water Purification Facility - STORMWATER POLLUTION PREVENTION DEVELOPMENT
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Jul. 17, 2026
Corporate: HMA-A, Cold Plane Asphalt, Ditch Excavation and Paint Traffic Stripe \u2013 Develop Water Supply
23 - Construction
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May. 28, 2026
Corporate: Gridley Behavioral Health Center - irrigation
23 - Construction
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May. 21, 2026
Corporate: Gridley Behavioral Health Center - site water system
23 - Construction
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May. 21, 2026
Corporate: Gridley Behavioral Health Center - site sanitary sewerage
23 - Construction
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May. 21, 2026
Corporate: Gridley Behavioral Health Center - site storm drainage
23 - Construction
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May. 21, 2026
Road Sewer Line Replacement
23 - Construction
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Jun. 18, 2026
Well Nos. 33, 35, and 40 Rehabilitation Project
23 - Construction
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May. 27, 2026
Capital Improvement Water Main Extension
23 - Construction
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May. 27, 2026
Corporate: City of Garden Grove Wells 22, 26, and 27 PFAS Water Treatment Plants Project - Dewatering
23 - Construction
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Jun. 08, 2026
WATER WELL CBK-85 CONSTRUCTION
23 - Construction
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Jun. 16, 2026
7th Street Sewer line Replacement
23 - Construction
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Jun. 04, 2026
Domestic Water Treatment Plant Operations
23 - Construction
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Jun. 02, 2026
Corporate: SPED ADMINISTRATION TK BUILDINGS - Irrigation
23 - Construction
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May. 28, 2026
Corporate: Saratoga Gap Trail Bridge Replacement - Storm Drains
23 - Construction
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May. 21, 2026
Corporate: Saratoga Gap Trail Bridge Replacement - Underground
23 - Construction
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May. 21, 2026
Corporate: Saratoga Gap Trail Bridge Replacement - Drilling
23 - Construction
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May. 21, 2026
Corporate: Saratoga Gap Trail Bridge Replacement - Water System
23 - Construction
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May. 21, 2026
Stormwater Treatment Improvements
23 - Construction
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May. 27, 2026
Corporate: Pioneer Trail Waterline Project - Dewatering
23 - Construction
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Jun. 09, 2026
SEWER MAIN EXTENSION
23 - Construction
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Jun. 04, 2026
Wastewater Treatment and Disposal System
23 - Construction
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Jun. 01, 2026
Concrete and Water Improvements
23 - Construction
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Jun. 02, 2026
SESP CPU Water Upgrade
23 - Construction
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May. 27, 2026
Submerged Microfiltration (MF) Membranes
23 - Construction
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May. 26, 2026
Sewer Manhole Rehabilitation
23 - Construction
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Jun. 11, 2026
Corporate: Coyote Creek Flood Protection Project - Dewatering
23 - Construction
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Jun. 24, 2026
Corporate: Valley Village Stormwater Capture Project - Storm drain
23 - Construction
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Jun. 10, 2026
Corporate: Valley Village Stormwater Capture Project - Grading and drainage
23 - Construction
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Jun. 10, 2026
Bryte Sewer Pump Station Rehabilitation
23 - Construction
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Jun. 11, 2026
Corporate: City of Garden Grove Wells 22, 26, & 27 PFAS Water Treatment Plants - Dewatering
23 - Construction
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Jun. 08, 2026
Sanitary Sewer Rehabilitation (Subbasin 56-02) Phase 2
23 - Construction
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Jun. 05, 2026
Corporate: Earthwork, Roadway Structure Section, and Pavement Delineation \u2013 Develop Water Supply
23 - Construction
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May. 27, 2026
Wastewater Monitoring and Reporting
23 - Construction
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Jun. 04, 2026
Recycled Water Pipeline Installation
23 - Construction
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Jun. 11, 2026
Reginal Water Quality Control Plant (RRWQP) Biosolids Centrifuge 2 Installation
23 - Construction
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Jun. 25, 2026
Corporate: Minor Conc (SW & minor structure) and Chain Link Fence \u2013 Relocate Water Meter
23 - Construction
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May. 28, 2026
Corporate: Reservoir 20B - DEWATERING
23 - Construction
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Jun. 02, 2026
Corporate: ROSEDALE 1 CHANNEL IMPROVEMENTS PROJECT - CONCRETE CANAL LINING
23 - Construction
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May. 27, 2026
Corporate: Department of Fish and Wildlife Fillmore Hatchery - Wells
23 - Construction
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May. 26, 2026
Corporate: Minor Conc (SW & minor structure) and Chain Link Fence \u2013 Relocate Water Meter
23 - Construction
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May. 28, 2026
Corporate: Replace Lighting System and Median Barrier \u2013 Develop Water Supply Ls 1
23 - Construction
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May. 28, 2026
Corporate: PALMDALE SCHOOL DISTRICT SUMMERWIND ELEMENTARY REST ROOMS - site utilities
23 - Construction
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May. 26, 2026
Corporate: Pump Station 10 Connection Project - DEWATERING
23 - Construction
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Jun. 01, 2026
Stillwater Wastewater Treatment Plant
23 - Construction
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Jun. 18, 2026

Showing 1151–1200 of 4565 bids that are currently: Active.