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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| Colorado - US | Agency | Bid Type | Due Date | As PDF |
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Traffic Signal Communications Project
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 27, 2026 |
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Connected Signals and Resilient Communications Plan
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 03, 2026 |
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USAFA Varsity Baseball Stadium
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Jun. 12, 2026 |
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WMD Pipe Rehabilitation Phase 1
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 26, 2026 |
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Lift Station
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jul. 01, 2026 |
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WATER TREATMENT PLANT IMPROVEMENTS
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 20, 2026 |
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Persigo Wastewater Treatment Plant In-Plant Waste Wet Well Pipe Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 21, 2026 |
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Interceptor Replacement and Railroad Bore
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 01, 2026 |
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Water Reuse Facility Parshall Flume and Interceptor Project
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 22, 2026 |
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Slip Line Project
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 21, 2026 |
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State Highway 52 Utility Relocation
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 28, 2026 |
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Drainage Maintenance & Repair Work
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 27, 2026 |
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Waterline Looping Project
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 28, 2026 |
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Ehrlich Lake Drainage Improvements
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 22, 2026 |
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Gary Roberts Water Treatment Plant Rehabilitation
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 19, 2026 |
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Golf Course (HDPE) Irrigation System Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 27, 2026 |
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SRWRF Vault & Manhole Lining Project
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 26, 2026 |
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Sanitary Sewer Extension
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 26, 2026 |
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West Loop Water Main Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 04, 2026 |
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Raw Water Monitoring
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 03, 2026 |
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Center Pivot Irrigation System #2
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 26, 2026 |
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Cured-In-Place Pipe (CIPP) Rehab of Sanitary Sewers
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 26, 2026 |
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Lead & Copper Water Service Line Potholing, Verification, & Repair\/Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 21, 2026 |
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Critical Water Delivery & Systems Improvement Phase 1 & Phase 2
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 04, 2026 |
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Corporate: Floor & D\u00E9cor - Sanitary Waste Piping Specialties
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 25, 2026 |
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Water System Improvements - Sites 1 to 7
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 18, 2026 |
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Chautauqua Park Stormwater Improvements
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 22, 2026 |
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| Connecticut - US | Agency | Bid Type | Due Date | As PDF |
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Newfield Boat Ramp Construction
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 02, 2026 |
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Pavement Markings
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 27, 2026 |
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Milling of Rumble Strips
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 26, 2026 |
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Road Milling and Paving
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 29, 2026 |
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BONDED WEARING COURSE
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 27, 2026 |
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ROAD RESURFACING with LABOR, EQUIPMENT and MATERIALS
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 27, 2026 |
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ASPHALT-RUBBER SURFACE TREATMENT STRESS ABSORBING MEMBRANE
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 27, 2026 |
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ASPHALT-RUBBER SURFACE TREATMENT STRESS ABSORBING MEMBRANE
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 27, 2026 |
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Right of Way and Sidewalk Improvement Program
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 28, 2026 |
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On-Call Construction of Sidewalks
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 02, 2026 |
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St. John School Sidewalk & retaining wall replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 03, 2026 |
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Replacement of Tillotson Road Bridge Over Thompson Brook
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 09, 2026 |
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ON-CALL PERMANENT ROAD PATCHING
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 03, 2026 |
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Myrtle Street Complete Streets Improvements
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 02, 2026 |
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Wilsons Drive & Bunker Hill Rd Milling and Paving
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 26, 2026 |
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Liquid Asphalt Emulsion
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 04, 2026 |
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Pavement Preservation and Repairs Summer
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 28, 2026 |
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Shrub Road Sidewalks
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 08, 2026 |
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Highway Signs & Exit Renumbering
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 20, 2026 |
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AUTOMATED TRAFFIC ENFORCEMENT SAFETY DEVICE SERVICES
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 28, 2026 |
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District 1 Traffic Signal Revisions
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 03, 2026 |
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Windermere Avenue Sewer Extension
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 28, 2026 |
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Rehabilitation of Storm Manholes
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 21, 2026 |
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