| 1 | MGM | Marie Galante Aviation | Callsign: Marie Galante, | F | AVCODES |
| 2 | MGM | MGM Grand Air, Inc. | IATA: MG, Callsign: Grand Air, | USA | AVCODES |
| 3 | MGM | Transporte Aero MGM | | | ICAO1 |
| 4 | MGMA | MCGILL, MURRAY | | | SCAC4 |
| 5 | MGMB | MGM TRANSPORT LLC | | | SCAC4 |
| 6 | MGMC | M G M TRANSPORT CORPORATION | | | SCAC4 |
| 7 | MGMI | MEGA MOLD INTL INC | | | SCAC4 |
| 8 | MGMK | MGM TRUCKING INC | | | SCAC4 |
| 9 | MGMM | MOHR GALLERANI & MORE FILMS | | | SCAC4 |
| 10 | MGMO | MGM LINES SRL | | | SCAC4 |
| 11 | MGMR | MGM INTERNATIONAL LLC | | | SCAC4 |
| 12 | MGMT | MGM TRUCKING LLC | | | SCAC4 |
| 13 | MGMU | MEGA CONTAINERS SALES, INC | | USA | BIC |
| 14 | MGMU | Mega Containers Sales | | | RSRV |
| 15 | MGMU | MEGA CONTAINER SALES INC | | | SCAC4 |
| 16 | MGMV | MINNESOTA GOLD MEATS INC | | | SCAC4 |
| 17 | MGMX | J and J Partnership | added 10/1989; eliminated 10/1993; 1/1994-7/2005 (not listed) | | NAKINA |
| 18 | MGMX | J and J Leasing | added 4/1989; eliminated 10/1989 | | NAKINA |
| 19 | MGMX | J and J Leasing | added 4/89; eliminated 10/89 | | NRHS |
| 20 | MGMX | J and J Partnership | added 10/89; eliminated 10/93; 1/94-7/2000 | | NRHS |
| 21 | MGMX | J & J PARTNERSHIP | | | PWRC |
| 22 | MGMX | J and J Partnership | | | RSRV |
| 23 | MGMX | J & J PARTNERSHIP | | | SCAC4 |
| 24 | MGMY | MEGAM INC | | | SCAC4 |
