This means that you'll be able to search for NAICS codes directly (if that's your jam). We'll do the math; let's make better data on public procurement together.
Trailed Cars; Self-Propelled Cars.
Aerial Tramway Cars.
This class includes only complete rail cars. End items, assemblies, parts, attachments, or accessories for use in or on rail cars are classified in classes other than this class.
Possible NAICS Codes
336510 – Railroad Rolling Stock Manufacturing
485111 – Mixed Mode Transit Systems
488210 – Support Activities for Rail Transportation
336612 – Boat Building
336211 – Motor Vehicle Body Manufacturing