| 1 | RRPX | RR Power Leasing LLC | added 10/2003; eliminated 1/2004; 7/2005 (not listed) | | NAKINA |
| 2 | RRPX | Ranger Refining & Pipe Line Co. | 8/1920-7/1923 | | NAKINA |
| 3 | RRPX | *RANGER REFINING & PIPE LINE CO. | | | PWRC |
| 4 | RRPX | +RR POWER LEASING LLC | | | PWRC |
| 5 | RRPX | Railroad Power Leasing | | | RSRV |
| 6 | RRPX | RR POWER LEASING LLC | | | SCAC4 |
| 7 | RRPX | Rail Road Power Leasing | | USA | TRAFFIC |
