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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /81131

    NAICS Demand Lane

    Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance, Contract Opportunities

    10,145 total opportunities (10,145 active) tied to NAICS 81131 across federal, state, local, and forecast sources.
    NAICS 81131Federal + SLED10.1K total
    View NAICS definition →
    Total Opportunities
    10.1K
    Across all indexed sources
    Active Estimate
    10.1K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 81131.

    DEPARTMENT OF VETERANS AFFAIRS

    J012--FIRE DAMPER REPAIR SERVICES VA CENTRAL CALIFORNIA HEALTHCARE SYSTEM

    Active

    AI Summary

    The VA Central California Healthcare System is seeking information from potential vendors capable of providing fire damper repair services. This is a sources-sought notice, not a solicitation or contract award. The notice lists NAICS code 811310, and no set-aside or acquisition procedure is specified.

    CA

    Posted Oct 30, 2026Due Nov 4, 2026Sources SoughtNAICS 811310Sol: 36C26127Q0138
    View details→

    DEPT OF DEFENSE

    ELEVATOR REPAIR AND MAINTENANCE SUPPORT SERVICES

    Active

    AI Summary

    The Army seeks elevator inspection, maintenance, and repair services for the systems identified in the solicitation’s technical exhibits. The contractor must provide all labor, equipment, supplies, and materials and perform the work in accordance with the specifications, drawings, and contract terms. See the attached d…

    AZ

    Posted Oct 30, 2026Due Nov 30, 2026SolicitationNAICS 811310Total Small Business Set-Aside (FAR 19.5)Sol: W91RUS-27-R-A002
    View details→

    DEPT OF DEFENSE

    CRREL GENERATOR MAINTENANCE SERVICES

    Active

    AI Summary

    The Army seeks generator maintenance services at the Cold Regions Research and Engineering Laboratory, located at 72 Lyme Road in Hanover, New Hampshire. The contractor must provide all labor, supervision, tools, materials, equipment, transportation, and other items needed to perform the work. The opportunity is set as…

    MS

    Posted Oct 30, 2026Due Nov 12, 2026SolicitationNAICS 811310Total Small Business Set-Aside (FAR 19.5)Sol: W913E527RA001
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    H930--GENERATOR PREVENTATIVE MAINTENANCE

    Archived

    AI Summary

    The Department of Veterans Affairs is soliciting generator preventative maintenance services. The opportunity is set aside for service-disabled veteran-owned small businesses (SDVOSB). The notice provides no further details about the equipment, location, scope, or acquisition procedure.

    GA

    Posted Oct 30, 2026Due Oct 23, 2026Combined Synopsis/SolicitationNAICS 811310Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: 36C24727Q00380001_1
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    H930--GENERATOR PREVENTATIVE MAINTENANCE

    Archived

    AI Summary

    The Department of Veterans Affairs is seeking generator preventive maintenance services. The opportunity is set aside for Service-Disabled Veteran-Owned Small Businesses (SDVOSB). The deadline is October 23, 2026; the provided notice does not specify the maintenance scope or contract value.

    GA

    Posted Oct 30, 2026Due Oct 23, 2026Combined Synopsis/SolicitationNAICS 811310Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: 36C24727Q0038_0001
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    H930--GENERATOR PREVENTATIVE MAINTENANCE

    Archived

    AI Summary

    The Department of Veterans Affairs is seeking generator preventive maintenance services. The opportunity is set aside for service-disabled veteran-owned small businesses (SDVOSB). The notice is a presolicitation, and further details on the scope, location, and acquisition terms are not provided.

    GA

    Posted Oct 30, 2026Due Oct 23, 2026PresolicitationNAICS 811310Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: 36C24727Q0038
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    WHITE CITY VA FUEL TANK PUMP OUT

    Active

    AI Summary

    The Department of Veterans Affairs seeks a small-business contractor to pump out approximately 3,200 gallons of E85 gasoline from a tank at the Southern Oregon Rehabilitation Center and Clinics in White City, Oregon, and dispose of or recycle the fuel in accordance with the statement of work. Amendment 0001 answers ven…

    WA

    Posted Oct 30, 2026Due Nov 4, 2026Combined Synopsis/SolicitationNAICS 811310Total Small Business Set-Aside (FAR 19.5)Sol: 36C26027Q0091
    View details→

    ANNUAL INSPECTION MAINTENANCE OF MANLIFTS

    Active

    AI Summary

    The U.S. Coast Guard Academy seeks annual inspections and preventive maintenance for government-owned scissor lifts and boom lifts, with corrective troubleshooting, repairs, replacements, and adjustments available through approved task orders. The contractor provides qualified personnel, tools, equipment, transportatio…

    Posted Oct 30, 2026Due Nov 16, 2026Combined Synopsis/SolicitationNAICS 811310Total Small Business Set-Aside (FAR 19.5)Sol: 70ZH1526QCGA00002
    View details→

    DEPT OF DEFENSE

    CRANE HOIST AND CONDUCTOR BAR UPGRADE

    Active

    AI Summary

    The Navy seeks a small-business contractor to upgrade the hoist and conductor bar on an existing bridge crane supporting its Prototype, Manufacturing, and Test Division. The firm-fixed-price award will be made to a technically acceptable, responsible offeror with the lowest evaluated price. Attendance at the scheduled …

    NJ

    Posted Oct 30, 2026Due Nov 30, 2026Combined Synopsis/SolicitationNAICS 811310Total Small Business Set-Aside (FAR 19.5)Sol: N6833527Q1037
    View details→

    EURO-DIESEL DRUPS (DIESEL ROTARY UNINTERRUPTIBLE POWER SUPPLY)

    Active

    AI Summary

    This solicitation seeks maintenance services for Euro-Diesel diesel rotary uninterruptible power supply (DRUPS) systems at USAG Humphreys. The notice lists NAICS 811310, which covers commercial and industrial machinery and equipment repair and maintenance. The provided information does not specify the contract value or…

    Posted Oct 30, 2026Due Nov 30, 2026SolicitationNAICS 811310Sol: W51LL527QA003
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    8,623
    sled
    1,452
    forecast
    70

    Related NAICS Codes

    • 81, Other Services (except Public Administration)→
    • 811, Repair and Maintenance→
    • 8111, Automotive Repair and Maintenance→
    • 81111, Automotive Mechanical and Electrical Repair and Maintenance→
    • 811111, General Automotive Repair→
    • 811112, Automotive Exhaust System Repair→
    • 811113, Automotive Transmission Repair→
    • 811114, Specialized Automotive Repair→
    • 811118, Other Automotive Mechanical and Electrical Repair and Maintenance→
    • 81112, Automotive Body, Paint, Interior, and Glass Repair→

    Explore

    • 81131 Definition→
    • Browse NAICS Codes→
    • PSC Contract Lanes→
    • AI Contract Categories→
    • Browse by Agency→
    • Browse by State→

    About NAICS 81131

    This industry comprises establishments primarily engaged in repairing and maintaining commercial and industrial machinery and equipment, excluding automotive and electronic equipment. Services include repair and maintenance of machinery used in manufacturing, construction, and other industrial applications.

    Read the full NAICS definition →