NAICS Demand Lane

    Other Heavy and Civil Engineering Construction — Contract Opportunities

    10,402 total opportunities (10,402 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 U.S. Army Corps of Engineers plans to issue a solicitation for maintenance dredging and revetted mole repair at Haleiwa Small Boat Harbor, Hawaii. The project includes dredging to restore harbor depths and repairing the mole structure. The estimated price range is $1,000,000 to $5,000,000, with a performance period…

    HI

    Posted Jun 24, 2026Due Nov 11, 2026PresolicitationNAICS 237990Sol: W9128A26BA002
    View details

    AI Summary

    This opportunity involves the repair of fuel facilities and the replacement of oil-water separators at Naval Base Coronado in San Diego County, California. Bidders should refer to solicitation N6247326RF505 for detailed requirements and submission guidelines.

    CA

    Posted Jun 23, 2026Due Jul 14, 2026SolicitationNAICS 237990Sol: N6247326RF505
    View details

    AI Summary

    This opportunity involves the design-bid-build of a weapons magazine and ordnance operations facility at the Naval Submarine Base New London in Groton, Connecticut. Bidders should refer to Amendment 0007 and the applicable attachments for detailed requirements. The project is classified under NAICS code 237990.

    VA

    Posted Jun 23, 2026Due Jul 28, 2026SolicitationNAICS 237990Sol: N4008526R0004
    View details

    AI Summary

    The Department of the Interior is soliciting proposals for the Riverside Vessel Barrier Replacement at Hoover Dam. This project involves construction services aimed at enhancing safety and environmental protection. Interested bidders should prepare to submit their proposals by the specified deadline.

    NV

    Posted Jun 23, 2026Due Jul 7, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 140R3026Q0066
    View details

    AI Summary

    The National Park Service is soliciting bids for the Munising Falls Trail Rehabilitation project. The due date for bids has been changed to July 1, 2026. This amendment also provides answers to technical questions raised during the site visit. All other details remain unchanged.

    OH

    Posted Jun 23, 2026Due Jul 1, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 140P6426B0004
    View details

    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
    View details

    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
    View details

    AI Summary

    The U.S. Army Corps of Engineers is soliciting bids for the Miller-Rice Islands Pile Dike System Repairs project, which involves enhancing and connecting enrockments and installing hazard marker piles. This is a Total Small Business Set-Aside with an estimated cost between $25 million and $100 million. Bids must be sub…

    OR

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

    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 related to toilet replacement and accessibility improvements. Interested bidders should prepare to submit their proposals by the spec…

    CA

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

    AI Summary

    The opportunity involves maintenance dredging of the Kings Bay Entrance Channel, including environmental monitoring and beach restoration activities. The project will distribute excavated materials to designated disposal sites and includes options for debris removal and beach tilling. Interested bidders should refer to…

    FL

    Posted Jun 23, 2026Due Aug 12, 2026PresolicitationNAICS 237990Sol: W912EP26BA012
    View details

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    8,893
    sled
    1,253
    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 →

    SamSearch Platform

    Stop searching. Start winning.

    AI-powered intelligence for the right opportunities, the right leads, and the right time.