336510 Railroad Rolling Stock Manufacturing

Official definition

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.

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

• 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.

Source: US Census Bureau, 2022 NAICS cross-references.

Activities listed under 336510

The Census index assigns these 17 activities to this code. If your business matches one, this is your code.

• Brakes and parts for railroad rolling stock manufacturing
• Buses, trackless trolley, manufacturing
• Industrial locomotives and parts manufacturing
• Light rail cars and equipment manufacturing
• Locomotives manufacturing
• Locomotives rebuilding
• Lubrication systems, locomotive (except pumps), manufacturing
• Mining locomotives and parts manufacturing
• Rail laying and tamping equipment manufacturing
• Railroad cars and car equipment manufacturing
• Railroad cars, self-propelled, manufacturing
• Railroad locomotives and parts (except diesel engines) manufacturing
• Railroad rolling stock manufacturing
• Rapid transit cars and equipment manufacturing
• Rolling stock, railroad, rebuilding
• Streetcars and car equipment, urban transit, manufacturing
• Subway cars manufacturing

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 336510

To count as a small business for SBA loans and federal contracts under NAICS 336510, your business (including affiliates) must not exceed 1,500 employees. Check your business.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 2910, 3020), so treat them as a starting point and check the definition.

• 29100Manufacture of motor vehiclesUK SIC
• 30200Manufacture of railway locomotives and rolling stockUK SIC

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.