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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 1451–1500 of 5831 bids that are currently: Active.

Denotes bidding opportunities that have been amended

California - US Due Date
Water Treatment Plant Sedimentation & Flocculation Basin Rehabilitation
23 - Construction
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May. 05, 2026
Water Line Replacement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
May. 05, 2026
WWTP SBR Inspection & Maintenance Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 09, 2026
Stormwater Lift Station Rehabilitation
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 09, 2026
Pump Station 156 Well Site Improvements
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 21, 2026
Corporate: Stevenson ES HVAC Mod - Site Utilities
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 15, 2026
Residential Well Inspection Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 14, 2026
RC Sports Center Sewer Line Improvement
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Mar. 31, 2026
Solids Dewatering Services
23 - Construction
(to see the full NAICS category code login  or  upgrade)
Apr. 17, 2026
Zone 5 Water Pump Station Project
23 - Construction
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Apr. 23, 2026
Corporate: Laney College Student Center Improvements - Hydronic Piping
23 - Construction
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Apr. 13, 2026
Drill New Water Production Well at Pump Station 290A
23 - Construction
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Apr. 21, 2026
Wellhead Treatment Improvements at Pump Station 177
23 - Construction
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Apr. 21, 2026
Wellhead Treatment Improvements at Pump Station 185
23 - Construction
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Apr. 21, 2026
Well Site Improvements at Pump Station 372
23 - Construction
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Apr. 21, 2026
Well Site Improvements at Pump Station 208-2
23 - Construction
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Apr. 21, 2026
Construction of Water Meter Replacements
23 - Construction
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Apr. 16, 2026
Main Lift Station Forcemain-B Air Release Valves Replacement
23 - Construction
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Apr. 23, 2026
Corporate: 06-1H9804 HMA (Type A) and Modify Signal and Lighting Systems - TEMPORARY DRAINAGE INLET PROTECTION
23 - Construction
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Apr. 02, 2026
Water and Wastewater Services
23 - Construction
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Apr. 20, 2026
Corporate: Codoni Avenue Reconstruction - Water Pollution Control
23 - Construction
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Mar. 31, 2026
Corporate: 2026 Pioneer Trail Waterline Project - Dewatering
23 - Construction
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Apr. 23, 2026
3\" Natural Gas Core Valve Replacement
23 - Construction
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Mar. 27, 2026
Clayton Valley Highlands Sanitary Sewer Repairs
23 - Construction
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Apr. 16, 2026
Sewer Installation Project
23 - Construction
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Apr. 21, 2026
Corporate: Del Paso Heights ES Restrooms & Exterior Building Improvements - Site Drainage
23 - Construction
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Mar. 27, 2026
Corporate: TUSD Loma Vista ES - Site Utilities
23 - Construction
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Apr. 10, 2026
Booster Pump Replacements
23 - Construction
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Apr. 21, 2026
Construct Wellhead Treatment Improvements
23 - Construction
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Apr. 21, 2026
District 5 Main Trunk Sewer Rehabilitation Phase IV A
23 - Construction
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Apr. 30, 2026
Pumping Plant No. 2 Force Main Upgrades
23 - Construction
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Apr. 28, 2026
Water Main Replacement
23 - Construction
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May. 07, 2026
Convention Way Bridge Water Main Repair Project
23 - Construction
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Apr. 17, 2026
Potable Deep Well Pump (Tunnel Well 2) Replacement
23 - Construction
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Apr. 09, 2026
SEWER MAIN REPLACEMENT PROJECT
23 - Construction
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Apr. 23, 2026
Corporate: Clean & Paint Str Steel Br., Salvage Traveler, Fender and Pier Repair - Water Pollution Control Program
23 - Construction
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May. 05, 2026
Corporate: Manzanita Public Charter Modernization and New Construction - Site Utilities
23 - Construction
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Apr. 08, 2026
 
 
Colorado - US Due Date
Corporate: Wemlinger WPF Comprehensive Upgrades Program - Yard and Process Pipe
23 - Construction
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Mar. 27, 2026
Corporate: Thornton PFAS Treatment Project - Pipe Supports
23 - Construction
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Mar. 27, 2026
Corporate: Thornton PFAS Treatment Project - Process Piping
23 - Construction
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Mar. 27, 2026
Pojoaque Basin Regional Water System Phase II Design-Build
23 - Construction
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Apr. 04, 2026
NGWSP BLOCK 2-3 PIPELINE
23 - Construction
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Jun. 24, 2026
Corporate: Tenderfoot Water Storage Tank 90% - Concrete Formwork
23 - Construction
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Mar. 27, 2026
Corporate: Tenderfoot Water Storage Tank 90% - Post-Tensioned\/Rebar
23 - Construction
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Mar. 27, 2026
Corporate: Tenderfoot Water Storage Tank 90% - Post-Tensioned\/Rebar
23 - Construction
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Mar. 27, 2026
CM\/GC PROJECTS
23 - Construction
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Apr. 21, 2026
Ridge Utility Protection CM\/GC
23 - Construction
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Apr. 14, 2026
Bridge Replacement Construction Management Services
23 - Construction
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Apr. 09, 2026
Art Center Phase 2 EV Charging Station Installation
23 - Construction
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Apr. 03, 2026
Parking Lot Seal Coat, Crack Seal & Striping
23 - Construction
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Apr. 01, 2026

Showing 1451–1500 of 5831 bids that are currently: Active.