NAICS Demand Lane

    Other Heavy and Civil Engineering Construction — Contract Opportunities

    9,709 total opportunities (9,709 active) tied to NAICS 23799 across federal, state, local, and forecast sources.
    NAICS 23799Federal + SLED9.7K total
    Total Opportunities
    9.7K
    Across all indexed sources
    Active Estimate
    9.7K
    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 seeks contractors for the Oldmans Dredged Material Placement Facility Dike Raising Construction Project. This involves large-scale earthwork to construct earthen embankments, requiring significant experience and equipment. The project has a budget between $10 million and $25 million, wi…

    PA

    Posted Apr 24, 2026Due May 25, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912BU26RA013
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    AI Summary

    The opportunity involves the reconstruction of the Bar Island Dam under the Department of the Interior's Bureau of Land Management. This project is categorized under NAICS code 237990 and is set aside for SBA. Bidders should prepare for a comprehensive solicitation process.

    CO

    Posted Apr 23, 2026Due May 25, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 140L0626R0006
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    AI Summary

    This opportunity involves an unrestricted procurement for pipeline dredging along the Gulf Intracoastal Waterway from Corpus Christi Bay to Port Isabel, including the channel to Harlingen. The project is managed by the US Army Corps of Engineers Galveston District and covers several counties in Texas. Bidders should pr…

    TX

    Posted Apr 23, 2026Due May 22, 2026SolicitationNAICS 237990Sol: W912HY26BA016
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    AI Summary

    The U.S. Army Corps of Engineers is seeking market research responses for a Flood Risk Management Project in Milton, WV, involving significant construction activities. The project aims to reduce flood risks through levee construction, river channel modification, and environmental mitigation. Interested parties should r…

    WV

    Posted Apr 23, 2026Due May 7, 2026Sources SoughtNAICS 237990Sol: W91237-26-X-1BLY
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    AI Summary

    The Army Corps of Engineers, Kansas City District is soliciting construction services for levee repairs at multiple sites. The project includes earthwork operations, drainage structure rehabilitation, and erosion repair. An organized site visit is scheduled for April 30. The estimated project cost ranges from $250,000 …

    MO

    Posted Apr 23, 2026Due May 26, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912DQ26BA005
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    AI Summary

    The US Army Corps of Engineers is seeking interested businesses for a construction project involving the Fish Creek and Spring Bar Boat Ramps. This sources sought notice aims to identify capable contractors for a firm-fixed-price contract, with an estimated construction cost between $500,000 and $1,000,000. Responses a…

    WA

    Posted Apr 23, 2026Due May 5, 2026Sources SoughtNAICS 237990Sol: W912EF26RSS25
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    AI Summary

    The Department of the Interior, National Park Service is seeking sources for riverbank stabilization services. This opportunity is categorized under NAICS code 237990. Interested parties should respond to this sources sought notice by the specified deadline.

    CO

    Posted Apr 23, 2026Due May 11, 2026Sources SoughtNAICS 237990Sol: 140P2026R0062
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    AI Summary

    The FY26 Redwood City Channel Maintenance Dredging Project involves annual dredging to maintain the channel depth and transporting dredged material. This is a small business set-aside opportunity, with bids due on or about June 8, 2026. The project will be conducted under NAICS Code 237990 and is estimated to cost betw…

    CA

    Posted Apr 23, 2026Due May 8, 2026PresolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912P726BLC02
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    AI Summary

    The U.S. Army Corps of Engineers is seeking small business concerns for a riverbank stabilization project near Granite Falls, Minnesota. This Sources Sought Notice is for informational purposes only and aims to identify qualified contractors capable of performing construction services. Interested parties should submit …

    MN

    Posted Apr 23, 2026Due May 7, 2026Sources SoughtNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912ES26S0002
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    AI Summary

    The USIBWC is seeking bids for the permanent plugging of Penstock #4 at Amistad Dam, requiring extensive construction work below the service deck. The project includes tasks such as bulkhead installation and grouting, with a completion timeline of 300 days. The estimated project cost is between $1,000,000 and $5,000,00…

    TX

    Posted Apr 22, 2026Due May 13, 2026PresolicitationNAICS 237990Sol: FY26PresolicitationNotice
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    8,722
    sled
    801
    forecast
    186

    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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