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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /237

    NAICS Demand Lane

    Heavy and Civil Engineering Construction, Contract Opportunities

    74,786 total opportunities (74,786 active) tied to NAICS 237 across federal, state, local, and forecast sources.
    NAICS 237Federal + SLED74.8K total
    View NAICS definition →
    Total Opportunities
    74.8K
    Across all indexed sources
    Active Estimate
    74.8K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 237.

    DEPT OF DEFENSE

    FISHTRAP LAKE INTAKE STRUCTURE AND DAM REHABILITATION; W91237-26-R-A020

    Active

    AI Summary

    The Army is soliciting work to rehabilitate the intake structure and dam at Fishtrap Lake in Shelbiana, Kentucky, in accordance with plans and specifications to be provided in the scope of work. The listed NAICS code is 237990. The opportunity is a solicitation with a deadline of November 6, 2026.

    WV

    Posted Oct 23, 2026Due Nov 6, 2026SolicitationNAICS 237990Sol: W9123726RA020
    View details→

    DEPT OF DEFENSE

    USACE NATIONAL ENTERPRISE DREDGING CENTER SCOPE DREDGE TO BUDGET CONTRACT

    Active

    AI Summary

    USACE is planning a phased, best-value RFP for enterprise dredging across the Galveston/Houston area of responsibility, covering multiple Texas harbors, channels, and waterways. Phase one will evaluate qualifications, including bonding capacity, past performance, and proposed equipment, and may down-select up to five f…

    NC

    Posted Oct 23, 2026Due Nov 9, 2026Special NoticeNAICS 237990Sol: W912PM27RA006
    View details→

    DEPT OF DEFENSE

    TAMPA HARBOR IMPROVEMENTS INDUSTRY DAY

    Active

    AI Summary

    The U.S. Army Corps of Engineers is holding an industry day on November 18, 2026, to share information and gather industry feedback before soliciting Contract 1 of the Tampa Harbor Deepening Project. The estimated $100–$500 million construction effort includes dredging and widening navigation channels, with approximate…

    FL

    Posted Oct 23, 2026Due Nov 18, 2026Special NoticeNAICS 237990Sol: W912EP27Z1CUA
    View details→

    DEPARTMENT OF JUSTICE

    FMC ROCHESTER- INSTALL ABOVE GROUND TANKS

    Active

    AI Summary

    The Bureau of Prisons seeks a firm-fixed-price contractor to furnish labor, equipment, and materials to replace above-ground fuel tanks near the garage at FMC Rochester in Rochester, Minnesota. The performance period is 305 calendar days from the notice to proceed, and the estimated project magnitude is $250,000 to $50…

    MN

    Posted Oct 23, 2026Due Nov 19, 2026SolicitationNAICS 237120Sol: 15B41227Q00000001
    View details→

    JELA 325250 335621 - REHABILITATE CEMETERY

    Active

    AI Summary

    The National Park Service is soliciting work to rehabilitate Chalmette National Cemetery at Jean Lafitte National Historical Park and Preserve in Chalmette, Louisiana. The opportunity is listed under NAICS 237990 with a small-business set-aside. The notice provides a solicitation deadline of December 10, 2026; bidders …

    Posted Oct 23, 2026Due Dec 10, 2026SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 140PP027R0004
    View details→

    DEPT OF DEFENSE

    MATHER FUELING SYSTEM REPAIRS

    Active

    AI Summary

    The Army seeks repairs and upgrades to the Mather, California, fueling facility. Work includes fuel tank instrumentation and coating, alarms, barriers and catwalks, drainage and pavement repairs, a replacement POL building, a fuel monitoring and water draw-off system, and generator relocation. The contractor must suppl…

    NE

    Posted Oct 23, 2026Due Nov 20, 2026SolicitationNAICS 237120Total Small Business Set-Aside (FAR 19.5)Sol: PANNWD26P028176
    View details→

    DEPARTMENT OF THE INTERIOR

    SOURCES SOUGHT:NEOPIT DAM REMEDIATION CONSTRUCTION

    Active

    AI Summary

    The Bureau of Indian Affairs is seeking information from potential contractors for remediation construction at Neopit Dam on the Menominee Indian Reservation in Wisconsin. This Sources Sought notice is for market research and is not a solicitation or request for bids. The notice lists NAICS code 237990; the response de…

    VA

    Posted Oct 23, 2026Due Nov 2, 2026Sources SoughtNAICS 237990Sol: DOIASAM270004
    View details→

    DEPT OF DEFENSE

    LAKE PONTCHARTRAIN & VICINITY (LPV), FORESHORE RISK REDUCTION REPAIRS, REACH-1, 2, 3, & 4 JEFFERSON PARISH, LOUISIANA (ED 24-006)

    Active

    AI Summary

    The USACE New Orleans District is soliciting firm-fixed-price bids for foreshore risk reduction repairs across Reaches 1–4 in Jefferson Parish, Louisiana. Work includes site access, demolition, clearing and grubbing, excavation, embankment, geotextile and stone placement, and turf establishment and maintenance. This un…

    LA

    Posted Oct 23, 2026Due Oct 29, 2026SolicitationNAICS 237990Sol: W912P826BA009
    View details→

    DEPARTMENT OF AGRICULTURE

    ROSS SPRINGS WATERLINE REPLACEMENT

    Active

    AI Summary

    The Forest Service seeks replacement of the Ross Springs waterline. Work includes installing 4,450 linear feet of 4-inch HDPE water main, covering 1,150 feet of existing pipeline with imported fill, installing air-vacuum valves and drains, and connecting the new line to existing lateral mains and services. The existing…

    UT

    Posted Oct 23, 2026Due Nov 21, 2026Combined Synopsis/SolicitationNAICS 237110Total Small Business Set-Aside (FAR 19.5)Sol: 1240LT27Q0022
    View details→

    DEPT OF DEFENSE

    9-MILE PUMP STATION

    Archived

    AI Summary

    USACE Detroit District, in partnership with Macomb County Public Works, is soliciting a firm-fixed-price construction contract to build a new 9-Mile Pump Station in St. Clair Shores, Michigan. The project will separate the 8-1/2 Mile Relief Drain from the 9-Mile Drain to reduce flood risk and protect Lake St. Clair wat…

    MI

    Posted Oct 23, 2026Due Oct 20, 2026SolicitationNAICS 237110Sol: W911XK26BA028
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    19,457
    sled
    54,950
    forecast
    379

    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

    • 237 Definition→
    • Browse NAICS Codes→
    • PSC Contract Lanes→
    • AI Contract Categories→
    • Browse by Agency→
    • Browse by State→

    About NAICS 237

    This industry comprises establishments primarily engaged in heavy and civil engineering construction, including projects such as highways, bridges, tunnels, and utility systems. It involves specialized construction activities that require engineering expertise and heavy equipment.

    Read the full NAICS definition →