| 1 | MGB | Coulson Flying Services Limited t/a Cranfield Flight Training | Callsign: Mockingbird, | GB | AVCODES |
| 2 | MGB | Coulson Flying Service | | | ICAO1 |
| 3 | MGB | Matterhorn-Gotthard-Bahn | MGB was created in 2003 through an amalgamation of Furka Oberalp Bahn (FO) and BVZ Zermatt-Bahn (BVZ). | CH | TRAFFIC |
| 4 | MGB | Matterhorn Gotthard Bahn Verkehrs AG | | CH | VKM |
| 5 | MGBC | M & G TRUCK BROKERAGE INC | | | SCAC4 |
| 6 | MGBC | M&G Bus Company | | USA | TRAFFIC |
| 7 | MGBH | MCMURDO, GLENN A | | | SCAC4 |
| 8 | MGBJ | MILLER, BOB RIGGING INC | | | SCAC4 |
| 9 | MGBM | MG TRANSPORT | | | SCAC4 |
| 10 | MGBN | MG & BD TRUCKING | | | SCAC4 |
| 11 | MGBP | MR G TRUCKING INC | | | SCAC4 |
| 12 | MGBU | A P MOLLER | | | SCAC4 |
| 13 | MGBV | MARITIME GLOBAL LOGISTICS | | | SCAC4 |
