| 1 | MCG | SOS Helikoptern Gotland AB | Callsign: Medicopter, | S | AVCODES |
| 2 | MCG | SOS Helikoptern Gotland | | | ICAO1 |
| 3 | MCGA | MIRANDA CIRILO, GUSTAVO ALONSO | | | SCAC4 |
| 4 | MCGC | MARINE CARGO LINE LLC | | | SCAC4 |
| 5 | MCGF | MCGOLDRICK FUEL INC | | | SCAC4 |
| 6 | MCGG | MILLER CONTRACTING GROUP INC | | | SCAC4 |
| 7 | MCGH | MCCOLLOUGH, STEVEN | | | SCAC4 |
| 8 | MCGILL | McGill's Bus Services | | GB | TRAFFIC |
| 9 | MCGL | MCGILL TRUCKING CO | | | SCAC4 |
| 10 | MCGM | MCGARITY MOVING & STORAGE | | | SCAC4 |
| 11 | MCGN | MICHIGAN TRANSPORT INC | | | SCAC4 |
| 12 | MCGO | MID-CON CARRIERS CORP | | | SCAC4 |
| 13 | MCGQ | MERCURY CARTAGE LLC | | | SCAC4 |
| 14 | MCGR | MCGUIRE LUM | | | SCAC4 |
| 15 | MCGT | MCGINLEY TRANSPORTATION SYSTEMS | | | SCAC4 |
| 16 | MCGU | MITSUI CHEMICALS, INC. | | J | BIC |
| 17 | MCGW | MCGRAW SEAFOOD (1995) INC | | | SCAC4 |
| 18 | MCGX | Mid-Co. Gasoline Co. | 8/1920 | | NAKINA |
| 19 | MCGX | MID-CO GASOLINE CO. | | | PWRC |
| 20 | MCGX | *MERCHANTS DESPATCH TRANSPORTATION CORP. | | | PWRC |
