| 1 | MPIX | Motive Power, Inc. | 7/2000-7/2005 (not listed) | | NAKINA |
| 2 | MPIX | Myer's Propane Gas Service, Inc. | added 7/1974; 1/1975-1/1980; eliminated 7/1986 | | NAKINA |
| 3 | MPIX | Snow Ice, Inc. | 7/1937-1/1943 (not listed) | | NAKINA |
| 4 | MPIX | Myer's Propane Gas Service, Inc. | added 7/74; 1/75-1/80; eliminated 7/86 | | NRHS |
| 5 | MPIX | Motive Power, Inc. | Jul-00 | | NRHS |
| 6 | MPIX | *SNOW ICE, INC. | | | PWRC |
| 7 | MPIX | *MYER'S PROPANE GAS SERVICE, INC. | | | PWRC |
| 8 | MPIX | +MOTIVE POWER INC. | | | PWRC |
| 9 | MPIX | Myer's Propane Gas Service (Motive Power) | | | RSRV |
| 10 | MPIX | MOTIVE POWER INC | | | SCAC4 |
| 11 | MPIX | Motive Power Incorporated | | USA | TRAFFIC |