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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /237

    NAICS Demand Lane

    Heavy and Civil Engineering Construction, Contract Opportunities

    57,345 total opportunities (57,345 active) tied to NAICS 237 across federal, state, local, and forecast sources.
    NAICS 237Federal + SLED57.3K total
    View NAICS definition →
    Total Opportunities
    57.3K
    Across all indexed sources
    Active Estimate
    57.3K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 237.

    DEPARTMENT OF JUSTICE

    FCC OAKDALE - REPLACE WATER TANKS - PROJECT 26Z5AX9

    Active

    AI Summary

    The Federal Bureau of Prisons is soliciting quotes for the replacement of water tanks at FCC Oakdale, Louisiana. This project involves the removal of existing tanks and installation of new ones, with a budget between $5 million and $10 million. The solicitation is a small business set-aside and requires registration in…

    TX

    Posted Aug 26, 2026Due Sep 4, 2026Combined Synopsis/SolicitationNAICS 237110Total Small Business Set-Aside (FAR 19.5)Sol: 15BBNF26Q51800002
    View details→

    DEPARTMENT OF AGRICULTURE

    249E ROAD SURFACING & STABILIZATION - APACHE-SITGREAVES NF, AZ

    Active

    AI Summary

    This opportunity is a Request for Quotation (RFQ) for road surfacing and stabilization on NFSR 249E in Apache-Sitgreaves National Forest, AZ. The project involves reestablishing the road template over approximately 5.29 miles. This acquisition is set aside for small businesses, and all responsible sources may submit a …

    NM

    Posted Aug 25, 2026Due Sep 3, 2026Combined Synopsis/SolicitationNAICS 237310Total Small Business Set-Aside (FAR 19.5)Sol: 127EAX26Q0071
    View details→

    DEPT OF DEFENSE

    DEXTER FISH FACILITY INTAKE SCREENS

    Active

    AI Summary

    The U.S. Army Corps of Engineers seeks a Design-Build contractor for a self-cleaning screen system at the Dexter Dam Adult Fish Facility. This project is essential for juvenile fish protection and compliance with NMFS requirements. Interested parties should refer to the attached documents for detailed specifications.

    OR

    Posted Aug 25, 2026Due Sep 9, 2026Sources SoughtNAICS 237990Sol: W9127N26SSR031761
    View details→

    DEPT OF DEFENSE

    NORTH EAST RIVER MAINTENANCE DREDGING, CECIL COUNTY, MD

    Active

    AI Summary

    The opportunity involves maintenance dredging in the North East River, Cecil County, MD, using a hydraulic cutterhead pipeline dredge. The project requires dredging up to 100,000 cubic yards of material to a depth of 7 feet, with a construction duration of approximately 120 days. Bids are due by 25 August 2026, and the…

    MD

    Posted Aug 25, 2026Due Aug 28, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912DR26BA010
    View details→

    DEPARTMENT OF AGRICULTURE

    TRICKEL PARK ROAD ASPHALT GRAND MESA, UNCOMPAHGRE, AND GUNNISON NATIONAL FOREST, COLORADO

    Active

    AI Summary

    The USDA Forest Service is seeking quotations for the Trickel Park Road Asphalt project in Colorado, which involves road rehabilitation, asphalt concrete pavement, subgrade improvement, and culvert installations. This opportunity is set aside for small businesses and requires a bid bond. A site visit is scheduled, and …

    UT

    Posted Aug 25, 2026Due Sep 10, 2026Combined Synopsis/SolicitationNAICS 237310Total Small Business Set-Aside (FAR 19.5)Sol: 1240LT26Q0156
    View details→

    DEPARTMENT OF TRANSPORTATION

    CO NP ROMO 407(1) HOLZWARTH CULVERT

    Active

    AI Summary

    The Holzwarth Culvert project involves replacing a deficient culvert with a steel girder bridge in Rocky Mountain National Park. Key tasks include removal of the existing structure, construction of a new bridge, and environmental considerations. The estimated cost ranges from $700,000 to $2,000,000, with an anticipated…

    CO

    Posted Aug 25, 2026Due Sep 9, 2026PresolicitationNAICS 237310Sol: 6982AF26B000012
    View details→

    DEPT OF DEFENSE

    PASSES OF THE MISSISSIPPI RIVER, SOUTH PASS, MAINTENANCE DREDGING (NON-CONTINUOUS), PLAQUEMINES PARISH, LA 25-004

    Active

    AI Summary

    The Department of Defense is soliciting bids for maintenance dredging services at the South Pass of the Mississippi River in Plaquemines Parish, LA. The bid opening is scheduled for 1 September 2026 at 11:00 AM CST. Interested parties should refer to Solicitation W912P826BA076 for details.

    LA

    Posted Aug 25, 2026Due Sep 1, 2026SolicitationNAICS 237990Sol: W912P826BA076
    View details→

    DEPT OF DEFENSE

    XUMU 20260001A BLDG 15501 FOC COMM INSTALL

    Active

    AI Summary

    The Department of Defense is seeking quotes for the installation of a new PVC duct bank and fiber optic cable at Vandenberg SFB, California. This is a total small business set aside, and the contract will be awarded on a best value basis. Quotes are due by 1:30 PM Pacific on 04 September 2026.

    CA

    Posted Aug 25, 2026Due Sep 4, 2026Combined Synopsis/SolicitationNAICS 237130Total Small Business Set-Aside (FAR 19.5)Sol: FA461026Q0040
    View details→

    DEPT OF DEFENSE

    FY 26 INLAND WATERWAY CD MAINTENANCE DREDGING

    Active

    AI Summary

    The Department of Defense is soliciting bids for maintenance dredging of inland waterways, with updated quantities and specifications provided in Amendment 0002. Bidders should review the revised bid schedule and updated clauses before submission.

    PA

    Posted Aug 25, 2026Due Aug 31, 2026SolicitationNAICS 237990Sol: W912BU26BA011
    View details→

    DEPARTMENT OF THE INTERIOR

    Y--REHABILITATE THE POLEBRIDGE WATER SYSTEM, GLACIER

    Active

    AI Summary

    The Department of the Interior, National Park Service, is soliciting proposals for the rehabilitation of the Polebridge Water System in Glacier National Park. This project focuses on improving the water infrastructure to ensure reliable service. Interested bidders should prepare to submit their proposals by the specifi…

    WY

    Posted Aug 25, 2026Due Sep 3, 2026SolicitationNAICS 237110Total Small Business Set-Aside (FAR 19.5)Sol: 140P1426R0013
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    19,255
    sled
    37,764
    forecast
    326

    Related NAICS Codes

    • 23, Construction→
    • 236, Construction of Buildings→
    • 2361, Residential Building Construction→
    • 23611, Residential Building Construction→
    • 236115, New Single-Family Housing Construction (except For-Sale Builders) →
    • 236116, New Multifamily Housing Construction (except For-Sale Builders) →
    • 236117, New Housing For-Sale Builders →
    • 236118, Residential Remodelers →
    • 2362, Nonresidential Building Construction→
    • 23621, Industrial Building Construction→

    Explore

    • 237 Definition→
    • Browse NAICS Codes→
    • PSC Contract Lanes→
    • AI Contract Categories→
    • Browse by Agency→
    • Browse by State→

    About NAICS 237

    This industry comprises establishments primarily engaged in heavy and civil engineering construction, including projects such as highways, bridges, tunnels, and utility systems. It involves specialized construction activities that require engineering expertise and heavy equipment.

    Read the full NAICS definition →