| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 485119 | 485119 | 485119 | Cable car systems (except mixed mode), commuter | |||
| 485119 | 485119 | 485119 | Light rail systems (except mixed mode), commuter | |||
| 485119 | 485119 | 485119 | Monorail transit systems (except mixed mode), commuter | |||
| 485119 | 485119 | 485119 | Street railway systems (except mixed mode), commuter | |||
| 485119 | 485119 | 485119 | Streetcar systems (except mixed mode), commuter | |||
| 485119 | 485119 | 485119 | Subway systems (except mixed mode), commuter | |||
| 485119 | 485119 | 485119 | Tramway systems (except mixed mode), commuter | |||
| 485119 | 485119 | 485119 | Trolley systems (except mixed mode), commuter |