NAICS Demand Lane

    Railroad Rolling Stock Manufacturing — Contract Opportunities

    172 total opportunities (172 active) tied to NAICS 33651 across federal, state, local, and forecast sources.
    NAICS 33651Federal + SLED172 total
    Total Opportunities
    172
    Across all indexed sources
    Active Estimate
    172
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 33651.

    AI Summary

    The Department of Defense is soliciting offers for MilAirX Rail Spanners, designed for heavy-duty railway applications. This RFQ seeks commercial products that meet specific strength and safety criteria. Proposals must be submitted electronically through the PIEE portal, as submissions via other methods will not be acc…

    NY

    Posted Jul 13, 2026Due Jul 20, 2026Combined Synopsis/SolicitationNAICS 336510Total Small Business Set-Aside (FAR 19.5)Sol: W911S226U3459
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    AI Summary

    The Department of Transportation is soliciting proposals for a multiple-award IDIQ contract for rail maintenance and sustainment services. This includes the manufacture and refurbishment of locomotives and freight cars, as well as preventive maintenance, inspection, and emergency repair services. Amendments have been i…

    MA

    Posted Jul 10, 2026Due Jul 31, 2026SolicitationNAICS 336510No Set aside usedSol: 6913G626R200002
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    AI Summary

    The Department of Commerce is seeking quotes for the purchase of scrap railroad wheels under solicitation number 1333MJ26Q0027. This opportunity is set aside for small businesses and requires delivery by August 24, 2026. Quotes must be submitted electronically by the specified deadline to be considered.

    MO

    Posted Jul 10, 2026Due Jul 17, 2026Combined Synopsis/SolicitationNAICS 336510Sol: 1333MJ26Q0027
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    AI Summary

    The Department of the Interior, National Park Service, is seeking proposals for the supply of a steam generator under a combined synopsis/solicitation. This opportunity is classified under NAICS code 336510 and is not set aside for simplified acquisition procedures.

    MA

    Posted Jun 30, 2026Due Jul 14, 2026Combined Synopsis/SolicitationNAICS 336510Total Small Business Set-Aside (FAR 19.5)Sol: 140P4526Q0031
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    AI Summary

    The Department of Defense is soliciting bids for a five-year fixed-price contract for fuel oil nozzles, NSN 4930-01-440-1085. Bidders must submit their bids in accordance with the attached Invitation for Bids and acknowledge all amendments. Questions should be directed to the provided contract specialists by the specif…

    MI

    Posted Jun 23, 2026Due Jun 29, 2029SolicitationNAICS 336510Sol: W912CH-26-B-0006
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    AI Summary

    The Department of Defense is soliciting bids for rail spanners, with a revised quantity of 45 units. This opportunity is classified under NAICS code 336510 and is not subject to Simplified Acquisition Procedures. Interested vendors should respond to the combined synopsis/solicitation by the specified deadline.

    NY

    Posted Jun 2, 2026Due Jun 8, 2026Combined Synopsis/SolicitationNAICS 336510Total Small Business Set-Aside (FAR 19.5)Sol: W911S226U3268
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    AI Summary

    The Department of Defense is soliciting bids for a firm-fixed-price contract for fuel oil nozzles, with a five-year duration. Bidders must access the Technical Data Package prior to submission. All bids must comply with the IFB requirements, including acknowledgment of amendments. Questions should be directed to the sp…

    MI

    Posted May 29, 2026Due Jun 29, 2026SolicitationNAICS 336510Sol: W912CH-26-B-0006-0001
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    AI Summary

    The U.S. Army Transportation Command is seeking information on the design and production of heavy-duty flatcars to replace the aging Defense Freight Railway Interchange Fleet. This RFI invites railcar builders to propose innovative designs capable of carrying military vehicles, with responses due by June 26, 2026. Inte…

    MI

    Posted May 28, 2026Due Jun 26, 2026Sources SoughtNAICS 336510No Set aside usedSol: DODXW912CH-26-S-C002
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    AI Summary

    The Department of Defense is seeking proposals for a five-year Blanket Purchase Agreement (BPA) for railroad materials. This opportunity is classified under NAICS code 336510 and is not subject to Simplified Acquisition Procedures. Interested bidders should prepare to submit their proposals by the specified deadline.

    IL

    Posted May 19, 2026Due Jun 3, 2026Combined Synopsis/SolicitationNAICS 336510Total Small Business Set-Aside (FAR 19.5)Sol: W519TC26QA103
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    AI Summary

    The Department of Defense, specifically the Army, is seeking bids for rail spanners under NAICS code 336510. This opportunity is a combined synopsis/solicitation, with the due date set for May 25, 2026. Interested parties should prepare their proposals accordingly.

    NY

    Posted May 18, 2026Due May 25, 2026Combined Synopsis/SolicitationNAICS 336510Total Small Business Set-Aside (FAR 19.5)Sol: W911S226U3262
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    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    141
    sled
    31
    forecast
    0

    About NAICS 33651

    This industry comprises establishments primarily engaged in manufacturing railroad cars, locomotives, and other rolling stock. It includes the production of freight cars, passenger cars, and other rail vehicles.

    Read the full NAICS definition →

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