NAICS 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.
1,500 employeesSBA size standard
0open contracts now
7posted in the last 12 months
3365Railroad Rolling Stock Manufacturing
Open government contracts under NAICS 336510
Nothing is open under NAICS 336510 today. New solicitations post every day; search all open contracts or check back.
What NAICS 336510 covers
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.
Not in this code
Establishments primarily engaged in manufacturing mining rail cars are classified in U.S. Industry 333131, Mining Machinery and Equipment Manufacturing.
Establishments primarily engaged in manufacturing locomotive fuel lubricating or cooling medium pumps are classified in U.S. Industry 333914, Measuring, Dispensing, and Other Pumping Equipment Manufacturing.
Repair establishments of railroad and local transit companies primarily engaged in repairing railroad and transit cars are classified in Industry 488210, Support Activities for Rail Transportation.
Establishments not owned by railroad or local transit companies engaged in repairing railroad cars and locomotive engines are classified in Industry 811310, Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance.
SBA size standard
A business is small under NAICS 336510 if it has no more than 1,500 employees (averaged over the last 24 months, including affiliates).
Source: SBA Table of Size Standards, effective 2023-03-17. Always check the size standard printed in the solicitation itself.
Who buys it
Departments that posted the most NAICS 336510 solicitations in the last two years:
22--COUPLER acoustic · Department of Defense · posted July 15, 2026
96--Purchase of Scrap Railroad Wheels · Commerce · posted July 15, 2026
W911S226U3459: railcar spanners · Department of Defense · Washington · posted July 13, 2026
Do this kind of work?
Send XL Eagle your price on an open railroad rolling stock manufacturing job. We write and submit the bid under our registrations. If we win, you do the work at your price. No fees.
NAICS 336510 is 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.
What is the SBA size standard for NAICS 336510?
The size standard for NAICS 336510 is 1,500 employees. Firms at or under it count as small businesses for contracts assigned this code.
Are there government contracts for railroad rolling stock manufacturing?
None are open under NAICS 336510 today, but 7 were posted in the last 12 months. New ones post daily.
Can I bid on NAICS 336510 contracts without registering in SAM.gov?
You need an active SAM.gov registration to win a federal contract in your own name. If you would rather skip that, XL Eagle can bid as the prime contractor using your price, and you do the work as our subcontractor.
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