NAICS Demand Lane

    Other Heavy and Civil Engineering Construction — Contract Opportunities

    10,180 total opportunities (10,180 active) tied to NAICS 23799 across federal, state, local, and forecast sources.
    NAICS 23799Federal + SLED10.2K total
    Total Opportunities
    10.2K
    Across all indexed sources
    Active Estimate
    10.2K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 23799.

    AI Summary

    The Department of Defense is soliciting proposals for the Crains Island Stage 3 project, which involves restoring and enhancing the environmental habitat in Randolph County, IL. This opportunity is classified under NAICS code 237990 and is not subject to Simplified Acquisition Procedures.

    MO

    Posted Jun 3, 2026Due Jul 7, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912P926BA007
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    AI Summary

    The Department of Defense is soliciting proposals for the Garibaldi Depoe Bay Pipeline Dredging project, scheduled for 2026. Interested bidders should refer to the attached plans and specifications for detailed requirements. This opportunity is classified under NAICS code 237990 and is not subject to Simplified Acquisi…

    OR

    Posted Jun 3, 2026Due May 28, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W9127N26BA012
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    AI Summary

    The FY26 Redwood City Channel Maintenance Dredging Project involves annual maintenance dredging to a depth of -30 ft plus 1 ft overdepth, with dredged material transported to designated sites. This is a total small business set aside, with bids due on June 11, 2026. Interested bidders must register in SAM and PIEE to a…

    CA

    Posted Jun 3, 2026Due Jun 11, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912P726BA002
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    AI Summary

    The Department of Defense is seeking contractors for the Atlantic Coast of Maryland Berm Reconstruction project in Ocean City, Maryland. This presolicitation notice indicates that the solicitation will be available around July 1, 2026. Interested parties should prepare for the upcoming solicitation.

    MD

    Posted Jun 3, 2026Due Jun 17, 2026PresolicitationNAICS 237990Sol: W912DR26BA003
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    AI Summary

    The Army Corps of Engineers requires construction services for levee repairs at multiple sites, including Saline County Levee District #2 and Howard County Levee District #4. The project involves various tasks such as earthwork operations, erosion repair, and installation of drainage structures. A site visit is schedul…

    MO

    Posted Jun 3, 2026Due Jun 2, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912DQ26BA005
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    AI Summary

    The Department of Defense is soliciting proposals for the Presque Isle Beach nourishment project. This opportunity involves both construction services and environmental restoration efforts. An amendment has been issued to update parts of the Plans and Specifications package. Interested bidders should review the updated…

    NY

    Posted Jun 3, 2026Due Jun 9, 2026SolicitationNAICS 2379908(a) Set-Aside (FAR 19.8)Sol: W912P426BA007
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    AI Summary

    The Department of Defense is seeking proposals for the installation of a new hydraulic system at Dashields Locks and Dam in Pennsylvania. This project includes demolition of existing systems, installation of new hydraulic components, and construction of supporting buildings. The opportunity is set aside for small busin…

    PA

    Posted Jun 3, 2026Due Jun 18, 2026PresolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W911WN26RA011
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    AI Summary

    The opportunity involves improvements to the Sam Owen Campground within the Idaho Panhandle National Forest. This is a combined synopsis/solicitation issued as a Request for Quotation (RFQ) and is set aside for small business concerns. Interested parties are encouraged to submit their quotations for consideration.

    UT

    Posted Jun 3, 2026Due Jul 1, 2026Combined Synopsis/SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 1240LT26Q0071
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    AI Summary

    The Department of Defense is seeking proposals for the modernization of Range 13 from Modified Record Fire Range to Automated Record Fire. This solicitation includes a Statement of Work and is set aside for Service-Disabled Veteran-Owned Small Businesses. Interested parties should review the attached documents for deta…

    AZ

    Posted Jun 2, 2026Due Jun 16, 2026SolicitationNAICS 237990Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: W91RUS26RA009
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    AI Summary

    The opportunity involves the removal and diversion of the Crawford Dam, managed by the Department of the Interior's National Park Service. An amendment has been issued to post questions and technical answers from a recent site visit. Bidders must acknowledge the amendments on the SF1442 or submit a signed SF30 with the…

    OH

    Posted Jun 2, 2026Due Jul 8, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 140P6426B0008
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    8,830
    sled
    1,098
    forecast
    252

    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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