| 1 | MPI | Mosphil Aero Inc. | Callsign: Mosphil, Founded in 2005. Commenced operations in 2006. | RP | AVCODES |
| 2 | MPI | Mosphil Aero | | | ICAO1 |
| 3 | MPIA | MALPICA MACIEL, MIGUEL ANGEL | | | SCAC4 |
| 4 | MPID | MILES PROPANE & MPI L | | | SCAC4 |
| 5 | MPIE | MOUNTAIN PRAISE INDUSTRIES LLC | | | SCAC4 |
| 6 | MPIG | MARCO PETROLEUM INDUSTRIES INC | | | SCAC4 |
| 7 | MPIH | MONTREAL PITA | | | SCAC4 |
| 8 | MPIJ | MATAS PRODUCE INC | | | SCAC4 |
| 9 | MPIK | MIDWEST POOLS INC | | | SCAC4 |
| 10 | MPIL | MAC PAPERS INC | | | SCAC4 |
| 11 | MPILA | MZK Pila | | PL | TRAFFIC |
| 12 | MPIQ | MARYLAND PAVING INC | | | SCAC4 |
| 13 | MPIT | UNION PACIFIC RAILROAD | | | PWRC |
| 14 | MPIT | Missouri Pacific Railroad (Union Pacific Railroad) | | | RSRV |
| 15 | MPIU | MEMC Pasadena | | | RSRV |
| 16 | MPIU | MEMC PASADENA INC | | | SCAC4 |
| 17 | MPIV | MARTIN PRODUCE INC | | | SCAC4 |
| 18 | MPIW | MPI TRANSPORT INC | | | SCAC4 |
| 19 | MPIX | Motive Power, Inc. | 7/2000-7/2005 (not listed) | | NAKINA |
| 20 | MPIX | Myer's Propane Gas Service, Inc. | added 7/1974; 1/1975-1/1980; eliminated 7/1986 | | NAKINA |
| 21 | MPIX | Snow Ice, Inc. | 7/1937-1/1943 (not listed) | | NAKINA |
| 22 | MPIX | Myer's Propane Gas Service, Inc. | added 7/74; 1/75-1/80; eliminated 7/86 | | NRHS |
| 23 | MPIX | Motive Power, Inc. | Jul-00 | | NRHS |
| 24 | MPIX | *SNOW ICE, INC. | | | PWRC |
| 25 | MPIX | *MYER'S PROPANE GAS SERVICE, INC. | | | PWRC |
| 26 | MPIX | +MOTIVE POWER INC. | | | PWRC |
| 27 | MPIX | Myer's Propane Gas Service (Motive Power) | | | RSRV |
| 28 | MPIX | MOTIVE POWER INC | | | SCAC4 |
| 29 | MPIX | Motive Power Incorporated | | USA | TRAFFIC |
