| 1 | MAG | Air Margarita | Callsign: Agata, | YV | AVCODES |
| 2 | MAG | Meridan Airways Ltd. | Callsign: Merid Air, IATA Prefix: 667, | GH | AVCODES |
| 3 | MAG | NATO Alliance Ground Surveillance (AGS) | Callsign: Magna, | I | AVCODES |
| 4 | MAG | Magirus | | D | TRAFFIC |
| 5 | MAGC | MAGMA COPPER COMPANY | | | PWRC |
| 6 | MAGC | MAGNATE CONSOLIDATED INC | | | SCAC4 |
| 7 | MAGD | MAGNA ENERGY SERVICES | | | SCAC4 |
| 8 | MAGDA | Uslugi Transportowe Józef Magda | City: Makowisko | PL | TRAFFIC |
| 9 | MAGE | MAAG TRANSPORT INCORPORATED | | | SCAC4 |
| 10 | MAGF | MARGO TRANSPORT, INC | | | SCAC1 |
| 11 | MAGGI | Maggi | | CH | TRAFFIC |
| 12 | MAGH | MAGNAN, NIL TRANSPORT ENR | | | SCAC4 |
| 13 | MAGI | MARINE AGENCIES INC | | | SCAC4 |
| 14 | MAGJ | M A G TRUCKING INC | | | SCAC4 |
| 15 | MAGL | MAGO CONSTRUCTION CO LLC | | | SCAC4 |
| 16 | MAGLI | Magliola Antonio & Figli S.p.a. - workshop | | I | TRAFFIC |
| 17 | MAGM | MAGNACOM | | | SCAC4 |
| 18 | MAGN | MAGNOLIA TRANSPORTATION | | | SCAC4 |
| 19 | MAGQ | MATSQUI AG REPAIR LTD | | | SCAC4 |
| 20 | MAGR | MAGIMAR SHIPPING COMPANY LIMITED | | | SCAC4 |
| 21 | MAGS | MARION AG SERVICE INC | | | SCAC4 |
| 22 | MAGU | TEXTAINER EQUIPMENT MANAGEMENT LTD | | BM | BIC |
| 23 | MAGU | MAGELLAN CONTAINER SERVICES GMBH | | | SCAC4 |
| 24 | MAGV | MAGNUM MOVING & STORAGE | | | SCAC4 |
| 25 | MAGX | Midwest Agri. Commodities Co. | added 7/2006 | | NAKINA |
| 26 | MAGX | Magnimet, Monroe Scrap Division (interplant service) | 1/1980; 1/1994 (not listed) | | NAKINA |
| 27 | MAGX | Magnimet, Monroe Scrap Division (interplant service) | 1/80-1/94 | | NRHS |
| 28 | MAGX | *(NIS) MAGNIMET, MONROE SCRAP DIVISION | | | PWRC |
| 29 | MAGX | +MIDWEST AGRI. COMMODITIES CO. | | | PWRC |
| 30 | MAGX | Magnimet (Monroe Scrap Division) | | | RSRV |
| 31 | MAGX | MIDWEST AGRI COMMODITIES | | | SCAC4 |
