NAICS Demand Lane

    Heavy and Civil Engineering Construction — Contract Opportunities

    45,642 total opportunities (45,642 active) tied to NAICS 237 across federal, state, local, and forecast sources.
    NAICS 237Federal + SLED45.6K total
    Total Opportunities
    45.6K
    Across all indexed sources
    Active Estimate
    45.6K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 237.

    AI Summary

    The U.S. Army is seeking proposals for the MILCON ERCIP Microgrid project, which includes the installation of a microgrid system providing energy resilience for mission-critical functions. The estimated cost range is between $10 million and $25 million, and this is a total Small Business Set Aside. Proposals are due by…

    CA

    Posted Jun 3, 2026Due Jun 29, 2026SolicitationNAICS 237130Total Small Business Set-Aside (FAR 19.5)Sol: W9123826RA016
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    AI Summary

    The Fort Riley Tank Coatings Project involves internal coating repairs in accordance with API 653 standards at Fort Riley, KS. Proposals are due by June 25, 2026, at 1400. Interested parties must comply with all applicable laws and regulations. Inquiries can be submitted via ProjNet until June 11, 2026.

    NE

    Posted Jun 3, 2026Due Jun 25, 2026SolicitationNAICS 237120Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: W9128F26RA063
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    AI Summary

    The Department of the Interior, Bureau of Land Management is seeking contractors for North Cotterel Road maintenance. Details are provided in the attached announcement. This opportunity is categorized as a service and is currently in the presolicitation phase.

    ID

    Posted Jun 3, 2026Due Jul 22, 2026PresolicitationNAICS 237310Total Small Business Set-Aside (FAR 19.5)Sol: 140L2626R0003
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    AI Summary

    The Department of the Interior, Bureau of Land Management, is seeking proposals for the GAOA Milner Picnic Site Cabana Replacement project. Details are provided in the attached announcement. This opportunity is categorized under construction services and involves both product and service elements.

    ID

    Posted Jun 3, 2026Due Jul 22, 2026PresolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 140L2626Q0033
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    AI Summary

    The Department of the Interior, Bureau of Land Management, is seeking proposals for improvements at the Cauldron Linn Recreation Site. This presolicitation opportunity is categorized under NAICS code 237990, focusing on construction services. Interested bidders should refer to the attached announcement for detailed inf…

    ID

    Posted Jun 3, 2026Due Jul 13, 2026PresolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 140L2626R0004
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    AI Summary

    The Department of the Interior, Bureau of Land Management is seeking services for the installation of a vault toilet at Indian Springs. Details are provided in the attached announcement. This opportunity is categorized under construction services and is a presolicitation notice.

    ID

    Posted Jun 3, 2026Due Jul 13, 2026PresolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 140L2626Q0032
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    AI Summary

    The U.S. Army Corps of Engineers intends to issue a solicitation for a firm-fixed-price contract for maintenance dredging of the Rudee Inlet Federal Navigation Channel in Virginia Beach, Virginia. The project involves dredging approximately 220,000 cubic yards of material, with a performance period of 180 days. This op…

    VA

    Posted Jun 3, 2026Due Jul 6, 2026SolicitationNAICS 237990Sol: W9123626BA016
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    AI Summary

    The Government is seeking contractors for the Design-Bid-Build RM-23-1146 Dry Dock 2 Caisson Overhaul at Portsmouth Naval Shipyard in Kittery, Maine. This project involves essential maintenance and modifications to the caisson to ensure flood protection and certification. Interested parties should prepare to perform wo…

    VA

    Posted Jun 3, 2026Due Jun 17, 2026Sources SoughtNAICS 237990Sol: N6247026R0031
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    AI Summary

    The Department of Defense is soliciting proposals for the installation of a flow meter at Facility 1711. A site visit is scheduled for June 11, 2026, and proposals are due by June 23, 2026. Interested offerors must submit a base pass request by June 5, 2026.

    NV

    Posted Jun 3, 2026Due Jun 23, 2026Combined Synopsis/SolicitationNAICS 237110Total Small Business Set-Aside (FAR 19.5)Sol: FA486126R0012
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    AI Summary

    The Department of Health and Human Services is seeking contractors for the Rosebud Lift Station construction project. This project involves the complete removal and replacement of the existing lift station to accommodate increased capacity for future expansions. The contract type is firm-fixed-priced, and the construct…

    WA

    Posted Jun 3, 2026PresolicitationNAICS 237110Total Small Business Set-Aside (FAR 19.5)Sol: 75H70126R00030
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    18,753
    sled
    26,074
    forecast
    815

    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 →

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