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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /237990

    NAICS Demand Lane

    Other Heavy and Civil Engineering Construction, Contract Opportunities

    11,310 total opportunities (11,310 active) tied to NAICS 237990 across federal, state, local, and forecast sources.
    NAICS 237990Federal + SLED11.3K total
    View NAICS definition →
    Total Opportunities
    11.3K
    Across all indexed sources
    Active Estimate
    11.3K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 237990.

    DEPT OF DEFENSE

    SOURCES SOUGHT: CARTERS REREGULATION DAM SHORT TERM REPAIRS

    Active

    AI Summary

    The U.S. Army Corps of Engineers is seeking qualified small businesses for structural concrete and gate repairs at Carters Reregulation Dam. This Sources Sought Notice aims to gather information for a potential firm-fixed-price construction contract. Interested firms should respond by October 20, 2026, with details on …

    AL

    Posted Oct 5, 2026Due Oct 20, 2026Sources SoughtNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W9127827RA008
    View details→

    Z--ALPO STABILIZATION OF STAPLE BEND TUNNEL

    Active

    AI Summary

    The Allegheny Portage Railroad National Historical Site is soliciting proposals for the stabilization of the Staple Bend Tunnel. This opportunity is set aside for small businesses and requires registration under NAICS 237990. An organized site visit is scheduled for August 26, 2026, with a closing date for proposals on…

    Posted Oct 5, 2026Due Oct 30, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 140P4226R0026
    View details→

    Y--JELA 325250 335621 - REHABILITATE CHALMETTE NATIONAL CEMETERY AT JEAN LAFITTE N

    Archived

    AI Summary

    This opportunity involves the rehabilitation of the Chalmette National Cemetery located in Chalmette, Louisiana, as part of the Jean Lafitte National Historical Park and Preserve. Interested bidders should prepare to submit proposals for this service-oriented project.

    Posted Oct 5, 2026PresolicitationNAICS 237990Sol: 140PP027R0004
    View details→

    DEPARTMENT OF THE INTERIOR

    TIMUCUAN ECOLOGICAL AND HISTORIC PRESERVE TIMU-335

    Active

    AI Summary

    The National Park Service is soliciting proposals for the stabilization of Kingsley Plantation's shoreline through the extension of a seawall. This project aims to enhance environmental protection and preserve the historic site. Interested bidders should prepare to submit their proposals by the specified deadline.

    CO

    Posted Oct 5, 2026Due Nov 6, 2026SolicitationNAICS 237990Sol: 140P2026R0081
    View details→

    DEPT OF DEFENSE

    CALCASIEU BAR RIVER CHANNEL, PASCAGOULA HARBOR, AND PANAMA CITY HARBOR MAINTENANCE DREDGING

    Active

    AI Summary

    The U.S. Army Corps of Engineers seeks contractors for maintenance dredging at Calcasieu Bar River Channel, Pascagoula Harbor, and Panama City Harbor. The contract will be Firm Fixed Price and is expected to be issued electronically on or about 23 October 2026. Offerors must be registered in SAM to be eligible for awar…

    NC

    Posted Oct 5, 2026Due Mar 31, 2027PresolicitationNAICS 237990Sol: W912PM27BA002
    View details→

    DEPT OF DEFENSE

    CORNING AND HOLT 10 LEVEE REPAIRS

    Archived

    AI Summary

    The U.S. Army Corps of Engineers is soliciting bids for levee repairs at Corning and Holt 10 Levees in Missouri. This project includes various construction services such as earthwork, erosion repair, and drainage structure installation. The contract will be a Firm-Fixed Price and is a 100% Small Business Set-Aside. A s…

    MO

    Posted Oct 5, 2026Due Oct 5, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912DQ26BA013
    View details→

    DEPT OF DEFENSE

    PHILPOTT ANCHORS AND INSTRUMENTATION CONSTRUCTION

    Active

    AI Summary

    The Department of Defense is soliciting proposals for the Philpott Dam Anchors and Instrumentation Construction project located in Philpott, Virginia. The project has a construction magnitude between $5,000,000 and $10,000,000. Proposals must be submitted electronically, and inquiries should be directed to the designat…

    NC

    Posted Oct 5, 2026Due Oct 16, 2026SolicitationNAICS 237990Sol: W912PM26RA04
    View details→

    DEPT OF DEFENSE

    UNIT PRICE CONTRACT FOR MAINTENANCE DREDGING OF PENSACOLA HARBOR ENTRANCE CHANNEL

    Active

    AI Summary

    This opportunity involves a unit price contract for maintenance dredging of the Pensacola Harbor Entrance Channel. The project requires hydraulic cutterhead pipeline dredges and support equipment to dredge to a depth of 39 feet, with material placement along Perdido Key Beach. Interested bidders should note the amendme…

    AL

    Posted Oct 5, 2026Due Oct 13, 2026SolicitationNAICS 237990Sol: W9127826BA003
    View details→

    DEPARTMENT OF AGRICULTURE

    GAOA TONY GROVE DAM SPILLWAY CAPACITY & SEISMIC MITIGATION, UINTA/WASATCH/CACHE NATIONAL FOREST

    Active

    AI Summary

    This opportunity involves a Request for Quotation (RFQ) for the reconstruction of the Tony Grove Dam, including spillway capacity and seismic mitigation measures. The project is set aside for small businesses and requires quotes for the specified construction work. Interested parties should refer to the provided specif…

    OR

    Posted Oct 5, 2026Due Nov 3, 2026Combined Synopsis/SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 1240BH27Q0002
    View details→

    DEPT OF DEFENSE

    OSCEOLA HARBOR DREDGING EXTENSION

    Archived

    AI Summary

    The Department of Defense is seeking a contractor for dredging services at Osceola Harbor. This modification to the existing contract involves extending the navigation channel to meet newly authorized Federal project requirements. Interested bidders should prepare to address the specific dredging work outlined in the m…

    TN

    Posted Oct 5, 2026JustificationNAICS 237990Sol: W912EQ26S0001
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    9,090
    sled
    2,086
    forecast
    134

    Related NAICS Codes

    • 23, Construction→
    • 236, Construction of Buildings→
    • 2361, Residential Building Construction→
    • 23611, Residential Building Construction→
    • 236115, New Single-Family Housing Construction (except For-Sale Builders) →
    • 236116, New Multifamily Housing Construction (except For-Sale Builders) →
    • 236117, New Housing For-Sale Builders →
    • 236118, Residential Remodelers →
    • 2362, Nonresidential Building Construction→
    • 23621, Industrial Building Construction→

    Explore

    • 237990 Definition→
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    About NAICS 237990

    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 underwater construction, pile driving, and other heavy construction projects.

    Read the full NAICS definition →