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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

    9,827 total opportunities (9,827 active) tied to NAICS 81131 across federal, state, local, and forecast sources.
    NAICS 81131Federal + SLED9.8K total
    View NAICS definition →
    Total Opportunities
    9.8K
    Across all indexed sources
    Active Estimate
    9.8K
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 81131.

    DEPT OF DEFENSE

    JOHN DEERE 544E FORKLIFT REPAIR SERVICES

    Active

    AI Summary

    The Department of Defense is seeking forklift repair services for the John Deere 544E. This is an amendment to the original solicitation, responding to industry questions. The deadline for submissions has been extended to October 13, 2026, at 0800 EST. No further questions will be accepted.

    FL

    Posted Oct 9, 2026Due Oct 13, 2026Special NoticeNAICS 811310Total Small Business Set-Aside (FAR 19.5)Sol: N6883627Q0004P0001
    View details→

    DEPT OF DEFENSE

    NITROGEN PIPING REPLACEMENT FOR PLASMA SPRAY BOOTH

    Active

    AI Summary

    The Department of Defense is seeking proposals for the replacement of a nitrogen piping system for a plasma spray booth at Tinker Air Force Base. A complete, leak-free system is required, connecting various components. An Industry Day/Site Visit is scheduled for October 14, 2026, to clarify project requirements. Propos…

    OK

    Posted Oct 9, 2026Due Oct 16, 2026Combined Synopsis/SolicitationNAICS 811310Total Small Business Set-Aside (FAR 19.5)Sol: FA812626Q0061_25Sep2026
    View details→

    DEPT OF DEFENSE

    BRANDY STATION ENGINE REBUILD

    Active

    AI Summary

    The Department of Defense is soliciting proposals for the engine rebuild at Brandy Station. This opportunity is classified under NAICS code 811310, focusing on engine repair services. Interested bidders should refer to the posted solicitation for detailed requirements and submission guidelines.

    NC

    Posted Oct 9, 2026Due Nov 11, 2026SolicitationNAICS 811310Sol: W912PM27QA001
    View details→

    52000QR270000033- USCGC NORTHLAND VANE AXIAL FANS REBUILD & RECONDITIONING (QTY 2)

    Active

    AI Summary

    The USCGC Northland requires the rebuild and reconditioning of two vane axial fans to ensure proper ventilation and operational readiness. This opportunity is a Request for Quotation (RFQ) and is set aside for small businesses. Interested vendors must submit their quotes by October 14, 2026, including detailed cost bre…

    Posted Oct 9, 2026Due Oct 14, 2026Combined Synopsis/SolicitationNAICS 811310Total Small Business Set-Aside (FAR 19.5)Sol: 52000QR270000033
    View details→

    J--SOURCES SOUGHT-OR CA NV HEAVY EQPT REPAIR BPA

    Active

    AI Summary

    This sources sought notice is for heavy equipment repair and maintenance services in California, Nevada, and Oregon. Vendors are required to provide details on their service areas and CAGE codes. The scope includes diagnostics, fluid services, and parts procurement for various heavy equipment systems.

    Posted Oct 9, 2026Due Oct 21, 2026Sources SoughtNAICS 811310Sol: 140FF027Q0009
    View details→

    DEPARTMENT OF VETERANS AFFAIRS

    H261--INTENT TO SOLE SOURCE | FIVE YEAR IDIQ | GENERATOR TESTING AND MAINTENANCE | MARION VAMC

    Active

    AI Summary

    The Department of Veterans Affairs intends to award a sole source contract to John Fabick Tractor Co. for generator testing and maintenance services at the Marion VA Medical Center. This five-year IDIQ contract includes five one-year ordering periods. Interested parties may submit a capabilities statement by October 14…

    KS

    Posted Oct 9, 2026Due Oct 14, 2026Special NoticeNAICS 811310Sol: 36C25527Q0022
    View details→

    WALK IN FREEZER REPAIR AT FWS ALLIGATOR RIVER NWR

    Active

    AI Summary

    This opportunity involves a quote request for the repair of a walk-in freezer at the FWS Alligator River National Wildlife Refuge. Interested bidders should be prepared to provide their qualifications and pricing for the service. This solicitation is set aside for small businesses.

    Posted Oct 9, 2026Due Oct 15, 2026SolicitationNAICS 811310Total Small Business Set-Aside (FAR 19.5)Sol: 140FF027Q0005
    View details→

    DEPT OF DEFENSE

    PNSY DIESEL GENERATOR MAINTENANCE

    Active

    AI Summary

    The Department of Defense is seeking quotes for preventative and remedial maintenance of diesel generators at Portsmouth Naval Shipyard. A site visit is scheduled for September 24, 2026, and all prospective offerors are encouraged to attend. The deadline for quotes is now October 15, 2026, at 12 PM EST. Evaluation will…

    NH

    Posted Oct 9, 2026Due Oct 15, 2026Combined Synopsis/SolicitationNAICS 811310Total Small Business Set-Aside (FAR 19.5)Sol: N3904026Q0004
    View details→

    DEPT OF DEFENSE

    MOTOR ROTOR ASSEMBLY REPAIR

    Active

    AI Summary

    The Portsmouth Naval Shipyard is conducting a Sources Sought announcement to identify firms capable of inspecting, repairing, and testing a motor rotor assembly. This is for market research only, and no solicitation is available. Interested parties should provide capability statements and relevant information to assist…

    NH

    Posted Oct 9, 2026Due Oct 12, 2026Sources SoughtNAICS 811310No Set aside usedSol: N3904026S3204
    View details→

    DEPT OF DEFENSE

    INTENT TO SOLE SOURCE PREVENTIVE MAINTENANCE (PM) X5000 COMPUTED TOMOGRAPHY X-RAY SYSTEM

    Active

    AI Summary

    The Department of the Navy intends to award a sole-source contract to North Star Imaging, Inc. for preventive maintenance and repair services for their computed tomography X-ray systems. This includes emergency repairs, software updates, and replacement materials. Responses from other sources are welcome within five da…

    MD

    Posted Oct 8, 2026Due Oct 23, 2026Combined Synopsis/SolicitationNAICS 811310Sol: N68520-26-RFPREQ-600000V-0043
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    8,559
    sled
    1,211
    forecast
    57

    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→
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    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 →