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