NAICS Demand Lane

    Other Heavy and Civil Engineering Construction — Contract Opportunities

    10,398 total opportunities (10,398 active) tied to NAICS 23799 across federal, state, local, and forecast sources.
    NAICS 23799Federal + SLED10.4K total
    Total Opportunities
    10.4K
    Across all indexed sources
    Active Estimate
    10.4K
    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 stabilization of the shoreline erosion at the Atlantic Intracoastal Waterway in New Hanover County, NC. This project focuses on bank stabilization techniques to prevent further erosion. Interested bidders should prepare to submit their proposals by the specified…

    NC

    Posted Jun 23, 2026Due Jul 9, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912PM26BA001
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    AI Summary

    The U.S. Army Corps of Engineers is soliciting bids for maintenance dredging of the East and West Calumet Floodgate approach channels in St. Mary Parish, Louisiana. The project involves removing shoal material and disposing of it appropriately. The estimated contract value is between $500,000 and $1,000,000, with bids …

    LA

    Posted Jun 23, 2026Due Jun 23, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912P8-26-B-A072
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    AI Summary

    The U.S. Army Corps of Engineers plans to construct a beach berm for coastal storm risk management in Sea Bright, NJ. The project involves placing approximately 595,000 cubic yards of beachfill, with options for additional quantities. The estimated cost is between $35 million and $75 million, with a target completion b…

    NY

    Posted Jun 23, 2026Due Aug 8, 2026PresolicitationNAICS 237990Sol: W912DS26BA024
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    AI Summary

    The U.S. Army Corps of Engineers is soliciting bids for the construction and repair of the Miller-Rice Islands Pile Dike System in Washington. This project involves enhancing enrockments and installing hazard marker piles. The estimated cost is between $25 million and $100 million, and it is a Total Small Business Set-…

    OR

    Posted Jun 23, 2026Due Jul 23, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W9127N26BA016
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    AI Summary

    The Department of Agriculture, Forest Service is soliciting proposals for GAOA Accessible Upgrades Toilet Replacement. This project involves both construction services and product supply. Interested bidders should prepare to meet accessibility standards and submit their proposals by the specified deadline.

    CA

    Posted Jun 23, 2026Due Jul 22, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 127EAX26Q0051
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    AI Summary

    The opportunity involves maintenance dredging of the Kings Bay Entrance Channel, including environmental monitoring and debris removal. Bidders should be prepared for various incidental tasks such as water quality monitoring and beach tilling. The project is set to be presolicitation, with detailed requirements availab…

    FL

    Posted Jun 23, 2026Due Aug 12, 2026PresolicitationNAICS 237990Sol: W912EP26BA012
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    AI Summary

    The U.S. Army Corps of Engineers is soliciting proposals for the Harlow Island Stage 1B Project, which involves constructing embankments and excavations. This project is set within federally owned property and requires coordination with Burlington Northern San Francisco Railroad for access. The opportunity is open to M…

    MO

    Posted Jun 23, 2026Due Jul 23, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912P926R8225
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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 is op…

    GA

    Posted Jun 23, 2026Due Jul 6, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 12445526Q0066
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    AI Summary

    The Department of Defense is soliciting proposals for a Single Award Task Order Contract (SATOC) for dredging services at Toledo Harbor/River in Toledo, OH. This opportunity is classified under NAICS code 237990 and is not subject to Simplified Acquisition Procedures.

    NY

    Posted Jun 23, 2026Due Jul 23, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912P426BA002
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    AI Summary

    The Bureau of Reclamation is seeking sources for maintenance work at the Nathaniel Washington Power Plant. The project involves replacing the damaged stator bottom bar in Generator 23 and removing top bars for access. Interested parties should respond to this sources sought notice.

    ID

    Posted Jun 23, 2026Due Jul 23, 2026Sources SoughtNAICS 237990Sol: 140R1026B0007
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    8,893
    sled
    1,249
    forecast
    256

    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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