| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 485113 | 485113 | 485113 | Bus line, local (except mixed mode) | |||
| 485113 | 485113 | 485113 | Bus services, urban and suburban (except mixed mode) | |||
| 485113 | 485113 | 485113 | Bus transit systems (except mixed mode) | |||
| 485113 | 485113 | 485113 | City bus services (except mixed mode) | |||
| 485113 | 485113 | 485113 | Commuter bus operation (except mixed mode) | |||
| 485113 | 485113 | 485113 | Local bus services (except mixed mode) | |||
| 485113 | 485113 | 485113 | Suburban bus line services (except mixed mode) | |||
| 485113 | 485113 | 485113 | Urban bus line services (except mixed mode) |