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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

    9,299 total opportunities (9,299 active) tied to NAICS 81131 across federal, state, local, and forecast sources.
    NAICS 81131Federal + SLED9.3K total
    View NAICS definition →
    Total Opportunities
    9.3K
    Across all indexed sources
    Active Estimate
    9.3K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 81131.

    DEPT OF DEFENSE

    CATERPILLAR ENGINES MAINTENANCE

    Active

    AI Summary

    This solicitation is for Caterpillar engines maintenance services for the Department of Defense, specifically the Navy. Only authorized sources in Japan may participate, and documentation proving compliance with DFARS 252.225-7042 is required for non-Japanese prime contractors. Clarifications must be submitted in writi…

    AP

    Posted Aug 27, 2026Due Sep 4, 2026SolicitationNAICS 811310Sol: N6264926QB080
    View details→

    DEPT OF DEFENSE

    SPECIAL NOTICE - SITE VISIT ANNOUNCEMENT: MAINTENANCE AND REPAIR OF THE COMMISSARY’S REFRIGERATION MAINTENANCE AND REPAIR OF REFRIGERATION, HEATING, VENTILATION AND AIR CONDITIONING (HVAC) SYSTEMS COMMISSARY AT HARIO AND SASEBO, JAPAN.

    Active

    AI Summary

    This special notice announces a site visit for the maintenance and repair of refrigeration, heating, ventilation, and air conditioning systems at the commissary in Hario and Sasebo, Japan. Attendance is highly encouraged for interested bidders, with the site visit scheduled for September 14, 2026.

    AP

    Posted Aug 27, 2026Due Sep 14, 2026Special NoticeNAICS 811310Sol: W912HV26QA013SV
    View details→

    DEPARTMENT OF COMMERCE

    J--NOAA GALVESTON, TX CAMPUS ELEVATOR REPAIR & MAINT

    Active

    AI Summary

    The NOAA is seeking quotes for the repair and maintenance of two passenger elevators at the Galveston Laboratory. This opportunity is set aside for small businesses and requires all labor, equipment, and materials for the service. The contract will be awarded based on the lowest price technically acceptable. Quotes are…

    MO

    Posted Aug 27, 2026Due Aug 29, 2026Combined Synopsis/SolicitationNAICS 811310Sol: 1333MF26Q0088
    View details→

    DEPT OF DEFENSE

    JOHN DAY ELEVATOR MAINTENANCE SERVICES

    Active

    AI Summary

    This solicitation is for a full-service elevator maintenance contract at John Day Dam, requiring routine preventative maintenance for eight elevators. Offerors must ensure 24/7 availability for emergency situations. Quotes are due by 2:00 PM PST on 10 SEP 2026. Registration in SAM is mandatory for eligibility.

    OR

    Posted Aug 27, 2026Due Sep 10, 2026SolicitationNAICS 811310No Set aside usedSol: W9127N26QA114
    View details→

    DEPT OF DEFENSE

    PREVENTIVE MAINTENANCE FOR CAROUSELS

    Active

    AI Summary

    This opportunity involves providing preventive maintenance services for eleven vertical carousels, ten horizontal carousels, and five hydraulic lifts at Camp Pendleton. The work is specifically for the Department of Defense, Department of the Navy, and is categorized under NAICS code 811310. Interested bidders should p…

    CA

    Posted Aug 26, 2026Due Aug 31, 2026SolicitationNAICS 811310Sol: M0068126Q0078
    View details→

    DEPT OF DEFENSE

    LUKE AFB WELL MAINTENANCE

    Active

    AI Summary

    Luke AFB requires well maintenance services, including the extraction and overhaul of a Deep Well Turbine Pump. The contractor must provide labor, materials, and engineering supervision. A site visit is scheduled for August 27, 2026, and quotes are due by September 8, 2026. Note that funds are not currently available f…

    AZ

    Posted Aug 26, 2026Due Sep 9, 2026SolicitationNAICS 811310Total Small Business Set-Aside (FAR 19.5)Sol: FA488726Q0051
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    H345--BOILER INSPECTIONS FOR THE WALLA WALLA VAMC

    Active

    AI Summary

    The Department of Veterans Affairs is seeking potential contractors for boiler inspections at the Walla Walla VA Medical Center. Interested parties must submit a capabilities statement by August 28, 2026, detailing their qualifications and compliance with the Statement of Work. This is a sources-sought notice to assess…

    WA

    Posted Aug 26, 2026Due Aug 28, 2026Sources SoughtNAICS 811310Sol: 36C26026Q0980
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    1230--ACE FIRE EQUIPMENT & SERVICE CO, INC |

    Active

    AI Summary

    The Department of Veterans Affairs seeks a contractor for fire extinguisher maintenance services at the San Francisco Health Care System. Responsibilities include monthly and annual inspections, hydrostatic testing, and maintaining records in compliance with NFPA 10 guidelines. The contractor must be certified and prov…

    CA

    Posted Aug 26, 2026Due Sep 9, 2026Special NoticeNAICS 811310Sol: 36C26126Q1220
    View details→

    DEPT OF DEFENSE

    RANGER MAINTENANCE SUPPORT KIT

    Active

    AI Summary

    The Department of Defense is seeking proposals for a Ranger Maintenance Support Kit. This opportunity is classified under NAICS code 811310 and is a product-focused solicitation. Bidders should be aware that this is a combined synopsis/solicitation and does not fall under FAR Part 13 Simplified Acquisition Procedures.

    NY

    Posted Aug 26, 2026Due Sep 2, 2026Combined Synopsis/SolicitationNAICS 811310Total Small Business Set-Aside (FAR 19.5)Sol: W911S226U4302
    View details→

    DEPT OF DEFENSE

    RANGER MAINTENANCE SUPPORT KIT

    Active

    AI Summary

    The Department of Defense is seeking proposals for a Ranger maintenance support kit. This opportunity is classified under NAICS code 811310 and is not subject to FAR Part 13 Simplified Acquisition Procedures. Interested bidders should prepare to submit their proposals by the specified deadline.

    NY

    Posted Aug 26, 2026Due Sep 2, 2026Combined Synopsis/SolicitationNAICS 811310Total Small Business Set-Aside (FAR 19.5)Sol: W911S226U4301
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    8,353
    sled
    874
    forecast
    72

    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 →
    • 811114, Specialized Automotive Repair →
    • 81112, Automotive Body, Paint, Interior, and Glass Repair→
    • 811121, Automotive Body, Paint, and Interior Repair and Maintenance →
    • 811122, Automotive Glass Replacement Shops →
    • 81119, Other Automotive Repair and Maintenance→

    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 →