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    1. Home
    2. /Gov Explore
    3. /NAICS Codes
    4. /336510

    NAICS Demand Lane

    Railroad Rolling Stock Manufacturing, Contract Opportunities

    195 total opportunities (195 active) tied to NAICS 336510 across federal, state, local, and forecast sources.
    NAICS 336510Federal + SLED195 total
    View NAICS definition →
    Total Opportunities
    195
    Across all indexed sources
    Active Estimate
    195
    Approximate active count
    Source Count
    3
    Federal, SLED, and forecast lanes

    Latest federal solicitations for NAICS 336510.

    DEPT OF DEFENSE

    49--NOZZLE,FUEL AND OIL SE

    Active

    AI Summary

    The Defense Logistics Agency is soliciting electronic quotes for 71 fuel and oil nozzles (NSN 4930-01-383-9467), to be delivered to DLA Distribution within 129 days after award. The procurement is set aside for small businesses. Drawings and specifications are available electronically; hard copies are not provided.

    PA

    Posted Oct 28, 2026Due Nov 9, 2026Combined Synopsis/SolicitationNAICS 336510Total Small Business Set-Aside (FAR 19.5)Sol: SPE8EE27T0295
    View details→

    DEPARTMENT OF TRANSPORTATION

    REFURBISHED AND USED BOXCARS

    Active

    AI Summary

    The Volpe Center is conducting market research on the availability of refurbished and used boxcars for safely transporting ammunition and explosives in accordance with military safety regulations. This notice is an RFI, not a solicitation, and the government will not reimburse response costs. Responses are due November…

    MA

    Posted Oct 27, 2026Due Nov 13, 2026Sources SoughtNAICS 336510Sol: RFI-DOT-VOLPE-2026-001
    View details→

    DEPT OF DEFENSE

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

    Active

    AI Summary

    The Department of the Navy is soliciting proposals for the design and production of flat railcars under NAICS 336510. Amendments revise the requirements and statement of work, provide updated answers and attachments, and extend the proposal deadline to November 25, 2026, at 2:00 p.m. Eastern Time. This is a full and op…

    IN

    Posted Oct 26, 2026Due Nov 25, 2026SolicitationNAICS 336510Sol: N0016426RGW20
    View details→

    DEPT OF DEFENSE

    22--COUPLER ACOUSTIC

    Archived

    AI Summary

    The Defense Logistics Agency is soliciting electronic quotes for four acoustic couplers (NSN 2240-01-722-0125), with delivery to DLA Distribution within 159 days after order. Approved sources are identified as 31442 and 96169. Specifications, drawings, and hard copies are unavailable; all responsible sources may submit…

    VA

    Posted Oct 20, 2026Due Oct 28, 2026Combined Synopsis/SolicitationNAICS 336510Sol: SPE4A627T5596
    View details→

    DEPT OF DEFENSE

    22--COUPLER ACOUSTIC

    Archived

    AI Summary

    The Department of Defense is seeking quotes for 4 units of acoustic couplers under NSN 2240017220125. This opportunity is a combined synopsis/solicitation and is set aside for small businesses. Quotes must be submitted electronically, and hard copies will not be available. Specifications and drawings are not provided.

    VA

    Posted Oct 13, 2026Due Oct 20, 2026Combined Synopsis/SolicitationNAICS 336510Total Small Business Set-Aside (FAR 19.5)Sol: SPE4A627T3557
    View details→

    DEPT OF DEFENSE

    COMPOSITE RAILROAD TIES

    Archived

    AI Summary

    The Department of Defense is seeking bids for 390 composite railroad ties, each 10 feet in length, to be delivered by January 5, 2027, to Sierra Army Depot in Herlong, CA. All materials must be domestic and meet AREAM standards. This opportunity is a combined synopsis/solicitation.

    NY

    Posted Oct 6, 2026Due Oct 10, 2026Combined Synopsis/SolicitationNAICS 336510Total Small Business Set-Aside (FAR 19.5)Sol: W911S227U0019
    View details→

    DEPT OF DEFENSE

    49--REEL ASSEMBLY,HOSE

    Archived

    AI Summary

    The Department of Defense is seeking quotes for the procurement of a reel assembly for hoses, NSN 4930010904366. The solicitation is an RFQ and requires electronic submission of quotes. Specifications are not available, and all responsible sources may submit a quote by the deadline.

    PA

    Posted Sep 2, 2026Due Sep 14, 2026Combined Synopsis/SolicitationNAICS 336510Sol: SPE8EE26T2465
    View details→

    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→

    Source mix

    How this NAICS code is represented across indexed contract sources.

    federal
    146
    sled
    48
    forecast
    1

    Related NAICS Codes

    • 33, Manufacturing→
    • 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→

    Explore

    • 336510 Definition→
    • Browse NAICS Codes→
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    About NAICS 336510

    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 →