| 1 | MIX | Masisavia | Callsign: Masis, | AM | AVCODES |
| 2 | MIX | Midex Airlines | IATA: MG, Callsign: Midexcargo, IATA Prefix: 791, | UAE | AVCODES |
| 3 | MIX | Milton Ice Co., Inc. | 7/1935 | | NAKINA |
| 4 | MIXB | MIDNIGHT XPRESS | | | SCAC4 |
| 5 | MIXC | MIDTRANS INC | | | SCAC4 |
| 6 | MIXD | MIDNIGHT EXPRESS & CARTAGE LTD | | | SCAC4 |
| 7 | MIXE | MICHIGAN EXPRESS INC | | | PWRC |
| 8 | MIXH | MEADE INSTRUMENTS | | | SCAC4 |
| 9 | MIXK | MATRIX TRUCKING | | | SCAC4 |
| 10 | MIXO | MIXSON OIL CO INC | | | SCAC4 |
| 11 | MIXP | MILAN EXPRESS LTD | | | SCAC4 |
| 12 | MIXQ | MANHATTAN INTERNATIONAL TRANSPORTAT | | | SCAC4 |
| 13 | MIXR | MCMURRY READY MIX CO | | | SCAC4 |
| 14 | MIXT | MIX TRUCKING | | | SCAC4 |
| 15 | MIXU | LOGISTICA SUARDIAZ SL | | E | BIC |
| 16 | MIXU | VAPORES SUARDIAZ S A | | | SCAC4 |
