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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /33651

    NAICS Demand Lane

    Railroad Rolling Stock Manufacturing, Contract Opportunities

    176 total opportunities (176 active) tied to NAICS 33651 across federal, state, local, and forecast sources.
    NAICS 33651Federal + SLED176 total
    View NAICS definition →
    Total Opportunities
    176
    Across all indexed sources
    Active Estimate
    176
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 33651.

    DEPT OF DEFENSE

    HY-RAIL LIGHT DUTY TRUCK

    Archived

    AI Summary

    The Department of Defense is seeking proposals for the Hy-Rail Light Duty Truck. This opportunity is a combined synopsis/solicitation and is classified under NAICS code 336510. Bidders should focus on providing a product that meets military specifications.

    NY

    Posted Aug 11, 2026Due Aug 18, 2026Combined Synopsis/SolicitationNAICS 336510Total Small Business Set-Aside (FAR 19.5)Sol: W911S226U4030
    View details→

    DEPT OF DEFENSE

    RAIL SPANNERS

    Archived

    AI Summary

    The Department of Defense is seeking proposals for rail spanners with specific dimensions and weight requirements. Each spanner must meet stringent safety and structural standards, including a minimum weight and reinforced features. Bidders should ensure compliance with the detailed specifications outlined in the solic…

    NY

    Posted Aug 7, 2026Due Aug 14, 2026Combined Synopsis/SolicitationNAICS 336510Total Small Business Set-Aside (FAR 19.5)Sol: W911S226U3919
    View details→

    DEPARTMENT OF TRANSPORTATION

    Rail Maintenance and Sustainment (RMS) Multiple-Award IDIQ

    Archived

    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 update…

    MA

    Posted Aug 6, 2026Due Aug 10, 2026SolicitationNAICS 336510No Set aside usedSol: 6913G626R200002
    View details→

    DEPARTMENT OF THE INTERIOR

    J--STEA - X5313 STEAM GENERATOR

    Archived

    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 Jul 16, 2026Due Jul 21, 2026Combined Synopsis/SolicitationNAICS 336510Total Small Business Set-Aside (FAR 19.5)Sol: 140P4526Q0031
    View details→

    DEPT OF DEFENSE

    22--COUPLER ACOUSTIC

    Archived

    AI Summary

    The Department of Defense is seeking quotes for 27 units of acoustic couplers under NSN 2240017220125. This opportunity is a combined synopsis/solicitation and is available electronically. All responsible sources may submit a quote for consideration. Hard copies are not provided.

    VA

    Posted Jul 15, 2026Due Jul 22, 2026Combined Synopsis/SolicitationNAICS 336510Sol: SPE4A626Q1152
    View details→

    DEPT OF DEFENSE

    Solicitation: W912CH-26-B-0006 Nozzle, Fuel, Oil; NSN: 4930-01-440-1085 - AMENDED

    Active

    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
    View details→

    DEPT OF DEFENSE

    Rail spanners

    Archived

    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
    View details→

    DEPT OF DEFENSE

    NOZZLE,FUEL, OIL W912CH-26-B-0006 AMENDMENT 0001

    Archived

    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
    View details→

    DEPT OF DEFENSE

    Rail Road Materials

    Archived

    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
    View details→

    DEPT OF DEFENSE

    N0016426RGW20-PROCUREMENT OF DESIGN AND PRODUCTION OF FLAT RAILCARS-PSC 2220- NAICS 336510

    Archived

    AI Summary

    The Department of Defense is soliciting proposals for the design and production of flat railcars under NAICS 336510. The proposal due date has been extended multiple times, with the latest deadline set for May 18, 2026. Amendments have been issued to provide answers to questions and update requirement documents.

    IN

    Posted May 13, 2026Due May 18, 2026SolicitationNAICS 336510No Set aside usedSol: N0016426RGW20
    View details→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    139
    sled
    36
    forecast
    1

    Related NAICS Codes

    • 331, Primary Metal Manufacturing→
    • 3311, Iron and Steel Mills and Ferroalloy Manufacturing→
    • 33111, Iron and Steel Mills and Ferroalloy Manufacturing→
    • 331110, Iron and Steel Mills and Ferroalloy Manufacturing →
    • 3312, Steel Product Manufacturing from Purchased Steel→
    • 33121, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel→
    • 331210, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel→
    • 33122, Rolling and Drawing of Purchased Steel→
    • 331221, Rolled Steel Shape Manufacturing →
    • 331222, Steel Wire Drawing →

    Explore

    • 33651 Definition→
    • Browse NAICS Codes→
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    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 →