| 1 | PVR | The Pembina Valley Ry. (Northern Alberta Rys.) | 7/1930-7/1932 | | NAKINA |
| 2 | PVR | NORTHERN ALBERYA RWYS. [PEMBINA VALLEY RWY.] | | | PWRC |
| 3 | PVRE | PLASCENCIA VILLAVICENCIO, RENE (MX- | | | SCAC4 |
| 4 | PVRR | Pioneer Valley R.R. Co., Inc. | added 10/1982; 1/1994-7/2005 | | NAKINA |
| 5 | PVRR | Pioneer Valley R.R. Co., Inc. | added 10/82; 1/94-7/2000 | | NRHS |
| 6 | PVRR | *BNSF {BURLINGTON NORTHERN RAILROAD; SPOKANE, PORTLAND & SEATTLE RWY.; PORTLAND, VANCOUVER & VITEBSK SEAWAY RAILROAD] | | | PWRC |
| 7 | PVRR | +PIONEER VALLEY RAILROAD CO. | | | PWRC |
| 8 | PVRR | Pioneer Valley Railroad | | | RSRV |
| 9 | PVRR | PIONEER VALLEY RAILROAD COMPANY | | | SCAC3 |
| 10 | PVRX | Pook Valley Rail System | 7/2000 (not listed) | | NAKINA |
| 11 | PVRX | General American Transportation Corp. | added 1/1970; 4/1970; eliminated 1/1972 | | NAKINA |
| 12 | PVRX | General American Transportation Corp. | added 1/70; 4/70; eliminated 1/72 | | NRHS |
| 13 | PVRX | Pook Valley Rail System | Jul-00 | | NRHS |
| 14 | PVRX | *PLATTE VALLEY RAILROAD | | | PWRC |
| 15 | PVRX | *GENERAL AMERICAN TRANSPORTATION CORP. | | | PWRC |
| 16 | PVRX | *POOK VALLEY RAIL SYSTEM | | | PWRC |
| 17 | PVRX | Pook Valley Rail System | | | RSRV |
| 18 | PVRX | POOK VALLEY RAIL SYSTEM | | | SCAC4 |
