Skip to main contentPsst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveFree Webinar — Wednesday, July 22 at 2:00 PM EDT

Register Free →
logo
Get CLEATUSFree Trial
← Back to NAICS Codes
NAICS Code· 336510

Railroad Rolling Stock Manufacturing

This industry comprises establishments primarily engaged in one or more of the following: (1) manufacturing and/or rebuilding locomotives, locomotive frames, and parts; (2) manufacturing railroad, street, and rapid transit cars and car equipment for operation on rails for freight and passenger service; and (3) manufacturing rail layers, ballast distributors, rail tamping equipment, and other railway track maintenance equipment. Cross-References.Show more

NAICS 336510 – Railroad Rolling Stock Manufacturing encompasses the design, fabrication, and assembly of rail-based vehicles and components used for freight and passenger transport, including locomotives, freight cars, passenger coaches, maintenance-of-way equipment, and specialized railcars such as tank cars, hopper cars, and flatcars. This sector supports critical infrastructure modernization and logistics operations for federal agencies managing rail networks, particularly those involved in defense logistics, military base transportation, and interagency freight movement.

15
Active Contracts
$20.2M
Total Obligations (12mo)
22
Awarded Contracts (12mo)
21
Contractors Awarded (12mo)
-53.3%
YoY Growth

Awarded Contractors

Companies that have received federal awards classified under NAICS 336510.

Loading
Dotted
NAICS 336510 FAQ

Frequently Asked Questions

NAICS code 336510 covers Railroad Rolling Stock Manufacturing. This industry comprises establishments primarily engaged in one or more of the following: (1) manufacturing and/or rebuilding locomotives, locomotive frames, and parts; (2) manufacturing railroad, street, and rapid transit cars and car equipment for operation on rails for freight and passenger service; and (3) manufacturing rail layers, ballast distributors, rail tamping equipment, and other railway track maintenance equipment. Cross-References.

Recently Posted in Railroad Rolling Stock Manufacturing

NAICS: 336510
Closed
Federal
J--STEA - X5313 STEAM GENERATORThis contract is for the repair, modification, and upgrade of Train Car X5313 to serve as a steam generator and support car at Steamtown National Historic Site, with a focus on converting the car to be Head End Power (HEP) capable and integrating a new high-pressure steam generator comparable to a Modulatic®-type packaged unit. The work includes mechanical disassembly, system fabrication, electrical integration, exterior restoration, testing, and compliance with ASME Section I standards, along with the installation of a dedicated 5-horsepower compressed air system and integration with a government-furnished 125 kW diesel generator. The contract is issued as a Request for Quote under FAR Part 12 and Part 13, structured as a Firm Fixed Price contract with a Limited Price Technically Acceptable (LPTA) evaluation method, requiring offerors to demonstrate technical capability through a two-page project narrative, provide past performance on comparable projects, and submit a fair and reasonable price. Awards will be made to the lowest-priced responsible offeror whose proposal meets all acceptability criteria. The acquisition is a total small business set-aside under NAICS code 336510, requiring all offerors to be certified as small businesses and to maintain current representations and certifications in SAM, including socioeconomic status and compliance with Buy American and other statutory requirements. Performance is expected to begin July 1, 2026, or after award, with an anticipated four-month period and delivery within 120 days of notice to proceed, at Steamtown National Historic Site. Invoicing is mandatory through the U.S. Department of the Treasury’s Invoice Processing Platform (IPP), and contractors must register on IPP and provide detailed invoice documentation including contract number, project name, work description, and dates. Daily reporting to the Contracting Officer’s Representative regarding personnel on-site is required, along with coordination of work hours and submission of technical submittals for government review. Contractors must also maintain insurance coverage of at least $1 million per occurrence for bodily injury and $100,000 in employer liability, and must report any foreign-made materials. All proposals must be submitted electronically in two separate volumes—technical/past performance and price—and must include a complete SF-1449, signed amendments if applicable, and proof of SAM registration at time of submission.
Ner Services Mabo (43000)

POSTED

about 11 hours ago

CLOSED

about 6 hours ago
View Details
NAICS: 336510
New
Federal
W911S226U3459: RAILCAR SPANNERSThe solicitation W911S226U3459 is a combined synopsis and request for quotation issued under FAR Part 12 for the procurement of MilAirX Rail Spanners, a specialized commercial product designed for railway and railcar maintenance. These spanners are engineered to be the strongest and lightest on the market, with a rated capacity of 40,000 pounds per pair or axle and a safety factor of at least two-to-one, meaning the failure point exceeds 80,000 pounds per axle. Each unit measures 72 inches long, 24 inches wide, and 4 inches thick, featuring a durable "Stub Toe" design to prevent wear and a reinforced "Kicker Plate" for enhanced resistance to abuse under heavy operational conditions. The contract is exclusively for commercial items and no separate written solicitation will be issued. This solicitation is a total small business set-aside under SBA regulations and must be responded to electronically through the PIEE Solicitation Module; submissions via SAM.gov, email, or physical mail will not be accepted unless explicitly authorized in writing by the Contracting Officer. The opportunity was posted on July 13, 2026, with a firm response deadline of July 20, 2026, at 7:25 PM. The contract is managed by the Department of Defense through the Office of W6QM Micc-Ft Drum located in Fort Drum, New York, and the performance location is in Washington, 98433. Primary point of contact is Bruce Balsink, with secondary contact Joseph Deblois, both reachable via official military email addresses. All proposals must be submitted through the designated UI link provided in the solicitation.
W6QM Micc-Ft Drum

POSTED

1 day ago

DEADLINE

in 6 days
View Details
NAICS: 336510
New
Federal
96--Purchase of Scrap Railroad WheelsThe solicitation seeks quotes for Scrap Railroad Wheels under a combined synopsis/solicitation numbered 1333MJ26Q0027, designated as a small business set-aside with a NAICS code of 336510 and a size standard of 1,500 employees. Two line items are specified: 28 units of Type C and 39 units of Type B scrap railroad wheels, both requiring axles to be pressed out and delivery no later than August 24, 2026, to the Pacific Marine Environ Lab in Seattle, Washington, FOB Destination. All products must comply with Buy American requirements, and manufacturers must verify the country of origin. The government will award a single firm-fixed-price purchase order on a lowest price, technically acceptable (LPTA) basis, with payment terms of Net 30. Technical acceptability is evaluated based on the offeror’s understanding of the requirement, demonstrated capability and relevant experience within the past two years, and submission of a complete specification sheet. Price is the determining factor among technically acceptable offers, with evaluation beginning at the lowest quote and progressing upward until a compliant offer is identified. Quotes must be submitted electronically via email to Weiming.tan@noaa.gov no later than 5:00 PM EST/EDT on July 17, 2026, in PDF or Microsoft Word format, and must include signed SF-18 and SF-30 forms, the vendor's UEID/CAGE code, a statement of technical capability and experience, product specification sheets, and all-inclusive pricing. Only vendors with an active SAM registration are eligible to respond. The government does not assume responsibility for non-receipt of quotes, and offerors must obtain confirmation of submission. All inquiries must be submitted in writing by 12:00 PM EST/EDT on July 14, 2026, and responses will be shared anonymously via solicitation amendment. Non-responsive or incomplete submissions may be rejected without further notice. Awards will be made via written notice, resulting in an immediate binding contract, and options will be evaluated as part of the total price but do not obligate the government to exercise them.
Department Of Commerce Noaa

POSTED

4 days ago

DEADLINE

in 3 days
View Details
NAICS: 336510
Awarded
DIBBS
RAIL ASSEMBLY, LITTEThe Defense Logistics Agency awarded GM DEFENSE LLC a contract valued at $1,459.06 on July 9, 2026, under solicitation SPE7L2-26-T-0503, for the procurement of a RAIL ASSEMBLY, LITTE identified by NSN 2590017282129 and PR 7017187533. The award, posted on DIBBS, falls under NAICS code 336510 which pertains to defense manufacturing and is classified as a federal transaction with no specific set-aside designation. The contract was issued by the Department of Defense through its Defense Logistics Agency, with no specific place of performance or point of contact provided. The transaction is finalized and documented via the official DIBBS platform, indicating a direct award to GM DEFENSE LLC for this specific rail assembly component.
Defense Logistics Agency

POSTED

5 days ago

DEADLINE

N/A
View Details
NAICS: 336510
SLED
Transit Ambulatory BusThe contract is for the procurement of 2027 Type 3 Transit Ambulatory Vehicles, each designed to carry 15 passengers, intended for use by the Terrell Center for Youth in Terrell, Texas, and the Mexia State Supported Living Center in Mexia, Texas. These vehicles are specialized for safe and accessible transportation of individuals requiring ambulatory support, ensuring compliance with medical and mobility needs. The solicitation, identified as HHS0017353, was posted on July 7, 2026, with a response deadline of July 21, 2026, at 4:30 PM Central Time. The procuring agency is the Texas Health and Human Services Commission under the State and Local Government (SLED) category, with all performance taking place within the state of Texas. The point of contact for inquiries is Lilly Farris, reachable at 512-406-2452 or lilly.farris@hhs.texas.gov, and all submissions must be made through the Texas SmartBuy portal.
Health and Human Services Commission

POSTED

7 days ago

DEADLINE

in 7 days
View Details
NAICS: 336510
SLED
54-CB-4260007 LTV Rolling StockThe North Carolina Department of Transportation is seeking new manufactured, unused, and currently produced commercial and institutional quality Light Transit Vehicles (LTVs), Raised Roof Vans, optional All-Electric LTVs, and optional Low-Floor Vehicles through an Invitation for Bids numbered 54-54-CB-4260007, posted on July 6, 2026, with responses due by July 27, 2026. This term contract, categorized under NAICS code 336510 and directed toward SLED government procurement, will serve NCDOT and eligibleIntegrated Mobility Division grant recipients across the state, with delivery required within 150 calendar days of purchase order issuance. All vehicles must be brand new, fully assembled, road-ready, and comply with Federal Motor Vehicle Safety Standards (FMVSS), ADA requirements, and Buy America provisions under 49 U.S.C. Chapter 53, particularly when federal funds are involved. Vehicles must be equipped with specified safety features including lift operation instructions and international symbols, FMVSS and VIN labels, weather-resistant seals, fire-resistant undercoating, and corrosion-resistant finishes, and must originate from manufacturers using ISO 9001:2015-certified quality systems and qualified vehicle modifier programs. The procurement includes optional features such as wheelchair lifts, solar power systems, heated seats, and alternative fuel prep packages, though all unit pricing remains unspecified and is to be submitted via Attachment A, which is not available in the solicitation. The total estimated value is $49,039,434, derived from historical state spending patterns, but no spending cap or maximum order quantity is defined. Delivery is FOB destination to the NCDOT Highway Building in Raleigh and other designated locations, with final acceptance at the point of delivery by the state agency. All bids must be submitted electronically through the eVP portal by the deadline; physical submissions are prohibited. Offerors must submit completed certifications including UEI, HUB and DBE compliance, Buy America attestation, lobbying disclosures, and debarment status, and may be subject to pre-award and post-delivery audits. Payment requires inspection and acceptance by the state, with invoices submitted to the NCDOT Procurement Entity containing specific mandatory fields, and the Contract Administrator and Contract Manager serve as primary points of contact. The award will be based on best-value trade-off, considering total cost, quality, vendor capability, compliance, experience
Department of Transportation

POSTED

8 days ago

DEADLINE

in 27 days
View Details
NAICS: 336510
Salvage and Dismantling of Rolling Stock and Industrial EquipmentAmtrak is seeking a qualified contractor to completely dismantle, decontaminate, and remove surplus rolling stock and industrial equipment from its New Castle facility. The scope of work encompasses the safe and compliant removal of all listed assets, including proper handling and disposal of hazardous materials, adherence to environmental regulations, and thorough site cleanup upon completion. The project requires specialized expertise in heavy equipment salvage, decontamination procedures, and logistics planning to ensure operational safety and regulatory compliance throughout the process. All work must be performed in accordance with industry best practices and applicable federal, state, and local environmental standards. The opportunity is posted as a subcontract with a NAICS code of 336510, indicating classification within the railroad rolling stock manufacturing and repair sector. The solicitation is open for responses until July 20, 2026, with proposal submissions required through Amtrak’s procurement portal prior to the deadline. Interested parties must be prepared to demonstrate experience with similar large-scale dismantling projects, possess appropriate licensing and insurance, and provide detailed plans for waste management, transportation, and site restoration. While the specific location details are not provided in the data, performance is expected to occur entirely at the Amtrak New Castle facility, and contractors should anticipate working under Amtrak’s operational protocols and safety requirements.
Amtrak

POSTED

9 days ago

DEADLINE

in 5 days
View Details
NAICS: 336510
Closed
SLED
Rail Transit Shock Absorber SupplyDallas Area Rapid Transit is seeking a subcontractor to supply shock absorbers for the center truck of its rail transit vehicles, with all components required to fully comply with the manufacturer’s technical specifications, engineering drawings, and performance standards. The procurement is classified under NAICS code 336510, indicating a focus on railroad rolling stock manufacturing, and is open for responses until July 9, 2026, with submissions due by 7:00 PM CT. The contract is structured as a direct subcontract with no set-aside classifications and no specific geographic restriction listed for performance, though the component is intended for use within DART’s rail system. Interested suppliers must ensure their products meet the exact design and safety criteria outlined by DART’s established technical requirements to be eligible for award.
Dallas Area Rapid Transit

POSTED

12 days ago

CLOSED

5 days ago
View Details
NAICS: 336510
Closed
SLED
Supply of Commercial-Grade Transit Equipment or ComponentsThe contract entails the supply of commercial-grade transit equipment and components for Dallas Area Rapid Transit, including off-the-shelf or custom-manufactured items such as electrical systems, HVAC units, seating, and safety-related parts, all of which must meet established merchantable quality standards and technical specifications. The work supports the operation and maintenance of public transit infrastructure and requires full compliance with industry benchmarks to ensure reliability and safety in daily service conditions. Subcontractors are expected to deliver components that are fully functional, durable, and compatible with existing transit systems without requiring extensive modification or retrofitting. Responses to this solicitation are due by July 7, 2026, and the opportunity is classified as a subcontract under NAICS code 336510, which encompasses manufacturing for transportation equipment. The posting date is June 30, 2026, and the procurement is administered directly by Dallas Area Rapid Transit in Texas. There is no set-aside designation, and all eligible suppliers may compete regardless of business size or ownership category. The place of performance and point of contact details are not provided in the posting, and all inquiries must be directed through the designated online portal linked in the contract data.
Dallas Area Rapid Transit

POSTED

14 days ago

CLOSED

7 days ago
View Details
NAICS: 336510
Closed
SLED
NEW, DELECTRIC MOTORIZED DRIVE DERAIL OPERATOR | 2099926Bids are solicited for a new Delectric motorized drive derail operator under solicitation number 2099926, with a response deadline of July 7, 2026. All submissions must reflect FOB Destination freight terms, with shipping costs included in the quoted price; FOB Origin or Prepay and Add terms are not accepted. Delivery schedules are critical, and failure to meet specified times and rates may result in immediate rejection or termination of the contract. Payment is strictly Net 30, with invoices required in triplicate, one marked as original, and must include the purchase order number, item details, quantities, unit pricing, and extended totals. Invoices should be submitted to APInvoices@dart.org and will be paid 30 days from receipt of the invoice or the order, whichever is later, unless otherwise agreed in writing. The Dallas Area Rapid Transit Authority retains the right to terminate the contract in whole or in part for nonperformance, with the seller liable for reprocurement costs, unless the failure is beyond the seller’s or subcontractor’s control, in which case termination may be reclassified as for convenience. Access to detailed bid specifications and response fields requires registration and initiation of the Prepare Your Submission process via the provided portal.
Dallas Area Rapid Transit

POSTED

14 days ago

CLOSED

7 days ago
View Details
NAICS: 336510
Closed
Federal
Rail Maintenance and Sustainment (RMS) Multiple-Award IDIQThe Request for Proposals titled Rail Maintenance and Sustainment Multiple-Award IDIQ with solicitation number 6913G626R200002 is a full and open competition for an Indefinite Delivery/Indefinite Quantity contract vehicle aimed at securing commercial rail products and services. The scope encompasses the manufacture and refurbishment of locomotives, freight cars, railcar movers, and associated rolling stock, as well as a full range of maintenance and support services including preventive maintenance, inspection, corrective repair, overhaul, engineering diagnostics, technical support, and emergency response. The solicitation is issued by the Volpe National Transportation Systems Center under the Department of Transportation, with the office located in Cambridge, Massachusetts, and the place of performance also set in Cambridge. Proposals must be submitted by 9:00 p.m. Eastern Time on July 1, 2026, and all terms and conditions from the original solicitation remain unchanged following Amendment 0001 issued on June 25, 2026, which provided responses to three submitted questions but did not alter deadlines or requirements. Primary point of contact for inquiries is Patricia Barnett, with Matthew Phelps as the secondary contact. The contract falls under NAICS code 336510 for Rail Transportation Equipment Manufacturing, with no set-aside preferences applied. While the overall contract value is not disclosed, the structure is intended to establish multiple award contract vehicles to ensure sustained and responsive rail maintenance support across the federal transportation infrastructure.
6913G6 Volpe National Transportation System Cntr

POSTED

19 days ago

CLOSED

13 days ago
View Details
NAICS: 336510
Federal
Propulsion Shafting System OverhaulThe contract entails the complete overhaul of the propulsion shafting system, requiring the systematic removal, thorough inspection, and detailed cleaning of shaft seals, followed by their reinstallation using a designated overhaul kit. This work is critical to maintaining the operational integrity and performance of the propulsion system and must be executed in strict adherence to specified technical standards.The solicitation is structured as a subcontract under a Total Small Business Set-Aside, designated under NAICS code 336510, ensuring that only small business concerns are eligible to compete. The opportunity was posted on June 24, 2026, with a firm deadline for responses set for July 24, 2026, at 5:00 PM. The contracting entity is the Sflc Procurement Branch 1 under the Department of Homeland Security, though specific location details for performance or contact are not provided in the data. All work must comply with the Federal Acquisition Regulation requirements applicable to small business set-asides.
Sflc Procurement Branch 1(00080)

POSTED

21 days ago

DEADLINE

in 10 days
View Details

Win Contracts in Railroad Rolling Stock Manufacturing

Get AI-powered intelligence on NAICS 336510 procurement

Real-time contract opportunities for NAICS 336510 (Railroad Rolling Stock Manufacturing)

AI-powered matching based on your business capabilities and past performance

Competitive analysis of contractors winning awards in this industry

Automated alerts when new opportunities are posted

Miguel
Hillary
Keith Deutsch
Christine

Join 650+ contractors already using CLEATUS