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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /23799, Other Heavy and Civil Engineering Construction

    NAICS Demand Lane

    Other Heavy and Civil Engineering Construction, Contract Opportunities

    10,777 total opportunities (10,777 active) tied to NAICS 23799 across federal, state, local, and forecast sources.
    NAICS 23799Cross-source coveragePreviewing 10 opportunities
    View NAICS definition →
    Total Opportunities
    10.8K
    Across all indexed sources
    Active Estimate
    10.8K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest opportunities

    Previewing the latest 10 opportunities for NAICS 23799.

    DEPARTMENT OF THE INTERIOR

    Z--FOLSOM DAM VESSEL EXCLUSION BARRIER AND DEBRIS BOO

    Active

    AI Summary

    The Department of the Interior, Bureau of Reclamation, is soliciting proposals for the Folsom Dam Vessel Exclusion Barrier and Debris Boom project. This opportunity involves both construction and installation services aimed at enhancing waterway protection and debris management. Interested bidders should prepare to sub…

    CA

    Posted Aug 25, 2026Due Sep 1, 2026SolicitationNAICS 237990Sol: 140R2026B0001
    View details→

    DEPT OF DEFENSE

    FY26 MOTSU BERMS

    Archived

    AI Summary

    This opportunity involves the construction of berms for the Department of Defense, specifically the Department of the Army. The solicitation amendment includes additional ground information files that were previously omitted. Bidders should review the updated documents and prepare their proposals accordingly.

    NC

    Posted Aug 25, 2026Due Aug 24, 2026SolicitationNAICS 237990Sol: W912PM26BA003
    View details→

    DEPT OF DEFENSE

    COASTAL STORM RISK MANAGEMENT (CSRM) AT SURF CITY, NORTH CAROLINA - INDUSTRY DAY

    Active

    AI Summary

    The Department of Defense is hosting an Industry Day on September 15, 2026, for the Coastal Storm Risk Management project in Surf City, North Carolina. The project involves dredging, beach fill placement, and construction of dune structures. Interested contractors should RSVP by September 11, 2026, for participation an…

    NC

    Posted Aug 25, 2026Due Sep 15, 2026Special NoticeNAICS 237990Sol: W912PM27BA001-A
    View details→

    DEPT OF DEFENSE

    THOMAS J. O BRIEN (TJO) EMBANKMENT REPAIR

    Active

    AI Summary

    The U.S. Army Corps of Engineers is soliciting bids for the Thomas J. O'Brien Embankment Repair project in Chicago, Illinois. This construction project involves raising embankment height, clearing vegetation, repairing culverts, and placing riprap. The estimated cost is between $1,000,000 and $5,000,000, and the solici…

    IL

    Posted Aug 25, 2026Due Sep 14, 2026SolicitationNAICS 2379908(a) Set-Aside (FAR 19.8)Sol: W912P626BA028
    View details→

    DEPARTMENT OF HOMELAND SECURITY

    REPAIR AIDS TO NAVIGATION (ATON) - SOUTHERN AREA OF USCG DISTRICT NORTHEAST

    Active

    AI Summary

    The US Coast Guard is seeking contractors for the repair and demolition of Aids to Navigation structures in the Northeast District. The project includes multiple sites in New York, Connecticut, and Rhode Island, with an estimated value between $1,000,000 and $5,000,000. Bids are due by 13 October 2026, and the acquisit…

    RI

    Posted Aug 25, 2026Due Oct 13, 2026PresolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 70Z0G126BSSNE1057
    View details→

    DEPT OF DEFENSE

    $5B DESIGN-BUILD/DESIGN-BID-BUILD INDEFINITE DELIVERY INDEFINITE QUANTITY WATERFRONT MULTIPLE AWARD CONSTRUCTION CONTRACT ($5B DB/DBB IDIQ WATERFRONT MACC), VARIOUS LOCATIONS, STATE OF HAWAII AND WAKE ISLAND

    Active

    AI Summary

    This opportunity involves a $5 billion design-build/design-bid-build indefinite delivery indefinite quantity waterfront multiple award construction contract for various locations in Hawaii and Wake Island. The contract is issued by the Department of Defense, specifically the Department of the Navy, and is open for bidd…

    HI

    Posted Aug 25, 2026Due Sep 23, 2026SolicitationNAICS 237990Sol: N6247826R4061
    View details→

    DEPT OF DEFENSE

    JOHNSON FIELD REPAIR

    Active

    AI Summary

    This opportunity involves the repair of Johnson Softball Field at Travis AFB, CA, due to severe safety hazards caused by gopher infestations. The solicitation has been amended to update the statement of work and provide answers to pre-site visit RFIs. Bidders should be prepared to address the safety concerns related to…

    CA

    Posted Aug 24, 2026Due Sep 14, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: FA442726Q1133
    View details→

    DEPT OF DEFENSE

    INDUSTRY DAY - INFORMATION SESSION ON THE EMERGENCY WATER CONVEYANCE PROTOTYPE (EWCP), JUNEAU, ALASKA

    Archived

    AI Summary

    The U.S. Army Corps of Engineers is hosting an Industry Day for the Emergency Water Conveyance Prototype in Juneau, Alaska, on August 21, 2026. This event aims to provide an overview of the project, familiarize interested offerors with technical details, and address questions. Registration is required by August 20, 202…

    AK

    Posted Aug 24, 2026Due Aug 21, 2026Special NoticeNAICS 237990Sol: W911KB26RWP02_INDUSTRY
    View details→

    DEPT OF DEFENSE

    JOHN DAY DAM FISH PUMP REHABILITATION PROJECT

    Active

    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, with bids due by September 11, 2026.

    OR

    Posted Aug 24, 2026Due Sep 12, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: W9127N26BA031
    View details→

    DEPT OF DEFENSE

    FOSTER SPILLWAY GATE NUT REPLACEMENT AND RE-TENSIONING

    Active

    AI Summary

    The Department of Defense is seeking contractors for the replacement and re-tensioning of spillway gate components, including custom nuts, U-bolts, and installation tools. The estimated construction cost is between $1,000,000 and $5,000,000, with a firm fixed-price contract anticipated. Contractors must meet CMMC Level…

    OR

    Posted Aug 24, 2026Due Sep 1, 2026Sources SoughtNAICS 237990Sol: PANNWD-26-P-0000033137
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    9,049
    sled
    1,628
    forecast
    100

    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

    • 23799 Definition→
    • Browse NAICS Codes→
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    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 →