# NAICS 336510: Railroad Rolling Stock Manufacturing

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [336510 Railroad Rolling Stock Manufacturing](https://bidrover.com/naics/336510)

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…

- NAICS code: 336510
- Title: Railroad Rolling Stock Manufacturing
- Sector: 31-33 Manufacturing
- Subsector: 336 Transportation Equipment Manufacturing
- Industry group: 3365 Railroad Rolling Stock Manufacturing
- SBA size standard: 1,500 employees
- Open bids on BidRover: 0

## Open bids (0)

No open bids cite this code right now.

## Frequently asked questions

### What is NAICS code 336510?

NAICS 336510 is "Railroad Rolling Stock Manufacturing" in the 2022 North American Industry Classification System, in sector 31-33 (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…

### What is the SBA size standard for NAICS 336510?

A business is small under NAICS 336510 at or below 1,500 employees, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 336510?

No open bid in BidRover cites NAICS 336510 right now. Many state and local notices do not list a NAICS code, so a keyword alert for this work catches more of them.

### How do I get alerts for NAICS 336510 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [333131 Mining Machinery and Equipment Manufacturing](https://bidrover.com/naics/333131)
- [333914 Measuring, Dispensing, and Other Pumping Equipment Manufacturing](https://bidrover.com/naics/333914)
- [488210 Support Activities for Rail Transportation](https://bidrover.com/naics/488210)
- [811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance](https://bidrover.com/naics/811310)

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Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.