NAICS Demand Lane

    Other Heavy and Civil Engineering Construction — Contract Opportunities

    9,946 total opportunities (9,946 active) tied to NAICS 23799 across federal, state, local, and forecast sources.
    NAICS 23799Federal + SLED9.9K total
    Total Opportunities
    9.9K
    Across all indexed sources
    Active Estimate
    9.9K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 23799.

    AI Summary

    The U.S. Army Corps of Engineers, Omaha District, is seeking prequalified sources for levee repair construction contracts in Iowa, Missouri, and Nebraska. Firms must demonstrate experience in earthwork projects and meet bonding requirements. This opportunity is a Source Sought announcement, and placement on the Prequal…

    NE

    Posted May 13, 2026Due Jun 9, 2025SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W9128F25R0041
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    AI Summary

    The U.S. Army Corps of Engineers is seeking contractors for maintenance dredging of New York and New Jersey Channels, specifically the Seguine/Ward/Outerbridge reaches. The project involves removing approximately 330,000 cubic yards of material to a depth of -35 feet MLLW. The work is expected to commence in September …

    NY

    Posted May 12, 2026Due May 15, 2026SolicitationNAICS 237990No Set aside usedSol: W912DS26BA014
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    AI Summary

    The U.S. Army Corps of Engineers is seeking bids for the Cedar Rapids Flood Risk Management Project, which includes construction of a floodwall and related site work. The project involves demolition, traffic control, and installation of various structures. The estimated contract value ranges from $25 million to $100 mi…

    IL

    Posted May 12, 2026Due Jun 11, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912EK26BA002
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    AI Summary

    The U.S. Army Corps of Engineers is soliciting a contract for the rehabilitation of fish pumps at John Day Dam, Oregon. This total small business set-aside project involves the refurbishment and replacement of major components, including shafts and gearboxes, requiring precision machining and on-site reassembly. Bidder…

    OR

    Posted May 12, 2026Due May 20, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W9127N26BA001
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    AI Summary

    The Department of Defense is seeking sources for providing and installing various fencing for gate perimeter security. Interested parties should review the attached sources sought/pre-solicitation document for further details.

    AZ

    Posted May 12, 2026Due May 26, 2026PresolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W91RUS26R7701
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    AI Summary

    The Alameda Zone 7 PL 84-99 Repairs project invites bids for storm damage repairs to flood control channels in Alameda County. This total small business set-aside project includes two phases, with a construction magnitude between $10,000,000 and $25,000,000. Bids are due by May 11, 2026, and a site visit is scheduled f…

    CA

    Posted May 12, 2026Due May 11, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912P726BA005
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    AI Summary

    The U.S. Army Corps of Engineers is seeking bids for maintenance dredging at Brazos Island Harbor, Texas. The project involves dredging approximately 350,000 cubic yards and includes site security, surveys, and cleanup. The estimated contract value is between $5 million and $10 million, with a performance period of 62 …

    TX

    Posted May 12, 2026Due May 26, 2026PresolicitationNAICS 237990Sol: W912HY26BA026
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    AI Summary

    The Department of Veterans Affairs is soliciting proposals for the Danville National Cemetery National Shrine Project. This opportunity is set aside for Service-Disabled Veteran-Owned Small Businesses (SDVOSBC). Interested bidders should refer to the attached solicitation documents for detailed requirements and submiss…

    VA

    Posted May 12, 2026Due Jun 8, 2026SolicitationNAICS 237990Service-Disabled Veteran-Owned Small Business Set AsideSol: 36C78626B0009
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    AI Summary

    The Department of Defense is seeking contractors for the construction of a new baseball stadium at the USAF Academy. The project includes building new grandstands, press box, restrooms, and team facilities, along with demolition of existing structures. The total area to be reconstructed is approximately 10,000 SF, with…

    NE

    Posted May 12, 2026Due Jun 12, 2026Sources SoughtNAICS 237990Sol: W9128F26SM017
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    AI Summary

    Solicitation number 12445526Q0066 is for the installation of an accessible dock and kayak launch at Chittenden Reservoir. The project includes removing an existing concrete mat, constructing an aggregate surface trail, and installing necessary infrastructure. This opportunity is set-aside for small businesses and falls…

    GA

    Posted May 12, 2026Due Jun 10, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 12445526Q0066
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    8,776
    sled
    923
    forecast
    247

    About NAICS 23799

    This industry comprises establishments primarily engaged in heavy and civil engineering construction projects not classified under other specific categories. Activities include specialized construction such as marine, foundation, and pile driving work.

    Read the full NAICS definition →

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