| 1 | MMT | SAM Intercontinental Group S.A. | Callsign: Sam Inter, | RMM | AVCODES |
| 2 | MMT | Mission Mountain R.R. | 7/2005; added 4/2008 | | NAKINA |
| 3 | MMT | MISSION MOUNTAIN RAILROAD | | | PWRC |
| 4 | MMT | MISSION MOUNTAIN RAILROAD | | | SCAC4 |
| 5 | MMTC | M & M BROS TRUCKING CO | | | SCAC4 |
| 6 | MMTC | Metro Manila Transit Corporation | | RP | TRAFFIC |
| 7 | MMTD | M & M TRUCKING COMPANY INC | | | SCAC4 |
| 8 | MMTE | MMT EXPRESS INCORPORATED | | | SCAC4 |
| 9 | MMTF | M & M TRANSPORT | | | SCAC4 |
| 10 | MMTK | MONMOUTH TRUCKING INC | | | SCAC4 |
| 11 | MMTM | M M TRANSPORTES | | | SCAC4 |
| 12 | MMTN | M & M TRUCKING | | | SCAC4 |
| 13 | MMTO | M & M TRANSPORT | | | SCAC4 |
| 14 | MMTQ | M & M TRANS | | | SCAC4 |
| 15 | MMTS | MILES MOTOR TRANSPORT SYSTEMS | | | PWRC |
