| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 336212 | 336212 | 336212 | Automobile transporter trailers, multi-car, manufacturing | |||
| 336212 | 336212 | 336212 | Boat transporter trailers, multi-unit, manufacturing | |||
| 336212 | 336212 | 336212 | Demountable cargo containers manufacturing | |||
| 336212 | 336212 | 336212 | Dump trailers manufacturing | |||
| 336212 | 336212 | 336212 | Flatbed trailers, commercial, manufacturing | |||
| 336212 | 336212 | 336212 | Horse trailers, fifth-wheel-type, manufacturing | |||
| 336212 | 336212 | 336212 | Logging trailers manufacturing | |||
| 336212 | 336212 | 336212 | Semi-trailers manufacturing | |||
| 336212 | 336212 | 336212 | Tank trailers, liquid and dry bulk, manufacturing | |||
| 336212 | 336212 | 336212 | Trailers, fifth-wheel-type, for transporting horses, manufacturing | |||
| 336212 | 336212 | 336212 | Truck trailers manufacturing |