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

    NAICS Demand Lane

    Heavy and Civil Engineering Construction, Contract Opportunities

    77,064 total opportunities (77,064 active) tied to NAICS 237 across federal, state, local, and forecast sources.
    NAICS 237Federal + SLED77.1K total
    View NAICS definition →
    Total Opportunities
    77.1K
    Across all indexed sources
    Active Estimate
    77.1K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 237.

    DEPARTMENT OF STATE

    RFQ _ CONSTRUCTION SERVICES-TECHNICAL SECURITY UPGRADE (TSU)

    Active

    AI Summary

    The U.S. Embassy in Mbabane seeks quotations from registered, qualified contractors for construction services supporting a Technical Security Upgrade at its Ezulwini compound. Award is planned for the lowest-priced technically acceptable responsible offeror under a firm-fixed-price contract, potentially based on initia…

    DC

    Posted Nov 15, 2026Due Dec 18, 2026SolicitationNAICS 237990Sol: 19WZ6027Q0001
    View details→

    DEPARTMENT OF TRANSPORTATION

    WA NP OLYM 12(8), HURRICANE RIDGE ROCKFALL MITIGATION MP 9.4

    Archived

    AI Summary

    The Federal Highway Administration is soliciting bids for the WA NP OLYM 12(8) Hurricane Ridge Rockfall Mitigation project at milepost 9.4 in Washington. This is an Invitation for Bids for construction work, with plans, physical data, and contract administration documents available in the attachments. The bid opening d…

    WA

    Posted Nov 13, 2026Due Nov 13, 2026SolicitationNAICS 237310Total Small Business Set-Aside (FAR 19.5)Sol: 69056726B000010
    View details→

    DEPARTMENT OF THE INTERIOR

    Y--GRTE 237343 - REHAB 4 LAZY F RANCH

    Active

    AI Summary

    The National Park Service is soliciting bids from small businesses to rehabilitate four Lazy F Ranch cabins for employee housing at Grand Teton National Park. The solicitation includes an updated response to bidder questions and a revised drawing set; refer to the solicitation package for project requirements and submi…

    CO

    Posted Nov 13, 2026Due Nov 21, 2026SolicitationNAICS 237110Total Small Business Set-Aside (FAR 19.5)Sol: 140P2026R0098
    View details→

    DEPARTMENT OF TRANSPORTATION

    OK FW TSM 10(1) NFH ENTRANCE ROAD AND PARKING IMPROVEMENTS

    Archived

    AI Summary

    The Federal Highway Administration seeks a contractor to improve entrance roads and parking areas at the Tishomingo National Fish Hatchery in Oklahoma. Work includes reclaiming and repaving existing roads, constructing new parking areas, correcting road superelevation, replacing culverts, installing an accessible parki…

    CO

    Posted Nov 13, 2026Due Nov 13, 2026SolicitationNAICS 237310Total Small Business Set-Aside (FAR 19.5)Sol: 6982AF27B000003
    View details→

    DEPT OF DEFENSE

    ATCHISON STORM SEWER SEPARATION IMPROVEMENTS, ATCHISON, KANSAS

    Active

    AI Summary

    The U.S. Army Corps of Engineers, Kansas City District, is soliciting bids for storm sewer separation and improvement work in Atchison, Kansas. The contractor will furnish labor, equipment, supervision, quality control, supplies, and materials, including pavement, sidewalk, driveway, and parkway restoration. The amendm…

    MO

    Posted Nov 13, 2026Due Nov 24, 2026SolicitationNAICS 237110Total Small Business Set-Aside (FAR 19.5)Sol: W912DQ27BA002
    View details→

    DEPT OF DEFENSE

    INDUSTRY DAY: CHIEF JOSEPH DAM MAIN UNIT XJ BREAKER DISCONNECTS MODERNIZATION

    Active

    AI Summary

    USACE Seattle District will hold an optional, preregistered industry day and site walk at Chief Joseph Dam on December 3, 2026, to gather nonbinding technical feedback and rough estimates for modernizing 15.5 kV main-unit breaker disconnects. Options range from refurbishing existing equipment to replacing the full swit…

    WA

    Posted Nov 13, 2026Due Nov 23, 2026Special NoticeNAICS 237990Sol: W912DW27R1CXH
    View details→

    DEPT OF DEFENSE

    CYPRESS CREEK, FAYETTE COUNTY, TENNESSEE

    Active

    AI Summary

    The Department of the Army issued a sources sought notice for work at Cypress Creek in Fayette County, Tennessee. The notice is for market research only and requests information from potential contractors; the scope and submission requirements are described in the attached notice. The listed NAICS code is 237990, Other…

    TN

    Posted Nov 13, 2026Due Dec 14, 2026Sources SoughtNAICS 237990Sol: W912EQ27S0002
    View details→

    DEPT OF DEFENSE

    NORTHWEST DIVISION POWERHOUSE LIFE SAFETY UPGRADES STAGE 1

    Active

    AI Summary

    USACE Walla Walla District plans a single-phase solicitation for up to four construction IDIQ MATOCs to upgrade life-safety systems at hydroelectric powerhouses across the Pacific Northwest. The shared contract capacity is anticipated to be $99 million, with task orders up to $25 million and a 36-month base plus two 24…

    WA

    Posted Nov 13, 2026Due Jan 8, 2027PresolicitationNAICS 237990Sol: W912EF27RA001
    View details→

    DEPARTMENT OF TRANSPORTATION

    CO OMAD 300(71) MINUTEMAN MISSILE ACCESS

    Active

    AI Summary

    The Federal Highway Administration seeks a contractor to recondition Minuteman missile access roads in southwestern Wyoming, southeastern Nebraska, and northeastern Colorado. Work includes reshaping existing gravel roadways, placing a four-inch aggregate surface course on sections up to 24 feet wide, and replacing culv…

    CO

    Posted Nov 13, 2026Due Dec 2, 2026SolicitationNAICS 237310Total Small Business Set-Aside (FAR 19.5)Sol: 6982AF27B000010
    View details→

    DEPARTMENT OF TRANSPORTATION

    ND OMAD 2025(1) MINUTEMAN MISSILE ACCESS ROAD

    Active

    AI Summary

    The Federal Highway Administration seeks a contractor to recondition certified gravel access roads serving the Minuteman missile program across six North Dakota counties. Work includes placing four inches of aggregate surface course, maintaining a roadway width of up to 24 feet, and replacing culverts, with improvement…

    CO

    Posted Nov 13, 2026Due Dec 2, 2026SolicitationNAICS 237310Total Small Business Set-Aside (FAR 19.5)Sol: 6982AF27B000011
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    19,567
    sled
    57,085
    forecast
    412

    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 →