NAICS Demand Lane

    Other Heavy and Civil Engineering Construction — Contract Opportunities

    10,685 total opportunities (10,685 active) tied to NAICS 237990 across federal, state, local, and forecast sources.
    NAICS 237990Federal + SLED10.7K total
    Total Opportunities
    10.7K
    Across all indexed sources
    Active Estimate
    10.7K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 237990.

    AI Summary

    The Department of Defense is seeking contractors to supply, deliver, and install a new courtesy dock at Poe’s Ridge Boat Ramp in Moncure, North Carolina. This opportunity is categorized as a Sources Sought notice, indicating the government's interest in identifying potential vendors for this project.

    NC

    Posted Aug 5, 2026Due Aug 19, 2026Sources SoughtNAICS 237990Sol: PANSAD-26-P-0000-033975
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    AI Summary

    The opportunity involves maintenance dredging at Port Everglades Harbor, including environmental and water quality monitoring. The project is divided into a Base and Option A, with a target price range of $5 million to $10 million. Bids are due by August 28, 2026, and require Coast Guard certified dredge vessels. Inter…

    FL

    Posted Aug 5, 2026Due Aug 28, 2026SolicitationNAICS 237990Sol: W912EP26BA014
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    AI Summary

    The Department of Defense is soliciting bids for the Yellowhouse Creek East Cell Diking project in Berkeley County, South Carolina. The work involves raising dikes, constructing a new cross dike, and installing spillway systems. The project magnitude is estimated between $5,000,000 and $10,000,000, and contractors must…

    SC

    Posted Aug 5, 2026Due Aug 20, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912HP26RA029
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    AI Summary

    The John Day Dam Fish Pump Rehabilitation Project involves the removal, refurbishment, and replacement of major components of Fish Pump Unit 1 at the John Day Lock and Dam in Rufus, OR. The project has a construction magnitude between $5,000,000 and $10,000,000 and is set aside for small businesses. Bids are due by Aug…

    OR

    Posted Aug 5, 2026Due Aug 25, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W9127N26BA031
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    AI Summary

    The U.S. Army Corps of Engineers is seeking contractors for the repair and rehabilitation of a Tainter Valve at The Dalles Lock and Dam. The project involves structural repairs, replacement of seals, and installation of armor plates. The estimated construction cost is between $1,000,000 and $5,000,000, with a performan…

    OR

    Posted Aug 5, 2026Due Aug 19, 2026PresolicitationNAICS 237990Sol: W9127N26BA032
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    AI Summary

    The U.S. Army Corps of Engineers is seeking contractors for the repair and rehabilitation of two Tainter Valves at the John Day Lock and Dam. The project involves comprehensive structural repairs, including welding and corrosion mitigation, with a contract value estimated between $1,000,000 and $5,000,000. The solicita…

    OR

    Posted Aug 5, 2026Due Aug 19, 2026PresolicitationNAICS 237990Sol: W9127N26BA030
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    AI Summary

    The National Park Service is soliciting proposals for the stabilization of the riverbank along the Towpath Trail near mile marker 20. This project aims to enhance the trail's safety and integrity. Interested bidders should prepare to submit their proposals by the specified deadline.

    CO

    Posted Aug 5, 2026Due Aug 13, 2026SolicitationNAICS 237990Sol: 140P2026R0093
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    AI Summary

    The Department of Defense is announcing a pre-solicitation for the Clouter Creek Middle and Highway Cell Diking project in Berkeley County, South Carolina. The work involves raising dikes, berms, and installing new spillway systems. This is a total small business set-aside with a firm-fixed-price contract type. A forma…

    SC

    Posted Aug 5, 2026Due Sep 4, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W912HP26RA033
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    AI Summary

    The Department of Defense, specifically the Army, is soliciting proposals for dredging services at Irondequoit Harbor. An attachment with the correct Wage Determination has been provided to address an administrative error. Interested bidders should review the solicitation details carefully.

    NY

    Posted Aug 5, 2026Due Sep 2, 2026SolicitationNAICS 237990Sol: W912P426BA014
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    AI Summary

    The Department of Defense is seeking proposals for maintenance dredging at Everglades Harbor, Collier County, Florida. The project includes dredging, environmental monitoring, and removal of sunken vessels. This is a total small business set-aside, with proposals due by August 21, 2026. Interested vendors must register…

    FL

    Posted Aug 5, 2026Due Aug 21, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: GROUP1-26-R-J006
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    8,985
    sled
    1,489
    forecast
    211

    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 →

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