336510 — Railroad Rolling Stock Manufacturing
Description
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.
Exclusions & Cross-References
- 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;
- MANUFACTURING 291
- 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; and
- 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.
Overview Facts
| NAICS Code | 336510 |
|---|---|
| Industry Title | Railroad Rolling Stock Manufacturing |
| SBA Size Standard | 1,500 employees |
| IRS PBA Code | 336510 (exact match) |
| Sectors Hierarchy | Sector 31-33 → 336 → 3365 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3531 - Construction Machinery and Equipment (via SIC1987:3531→NAICS1997:33651→2002:336510→2007:336510→2012:336510→2017:336510→2022:336510)
- SIC 3743 - Railroad Equipment (via SIC1987:3743→NAICS1997:33651→2002:336510→2007:336510→2012:336510→2017:336510→2022:336510)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 336510:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 3365
Frequently Asked Questions (FAQ)
Is 336510 a valid 2022 NAICS code?
NAICS 336510 is 'Railroad Rolling Stock Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 1,500 employees.
What is the SBA size standard for NAICS 336510?
The SBA small business size standard for NAICS 336510 is 1,500 employees (based on employees).
What is the legacy SIC code mapping for 336510?
NAICS code 336510 maps to the legacy 1987 SIC codes: 3531 - Construction Machinery and Equipment, 3743 - Railroad Equipment.