| 1 | MSA | Mistral Air Srl | Callsign: Airmerci, ICAO callsign changed to Mistral Wings | I | AVCODES |
| 2 | MSA | Mid-South Commuter Airlines | Callsign: Mid-South, | USA | AVCODES |
| 3 | MSA | Mistral Air S.r.l. | IATA: 7M, Callsign: Mistral Wings, IATA Designator changed to M4. ICAO callsign changed from Aiemerci | I | AVCODES |
| 4 | MSA | Mistral Air Srl | ICAO callsign changed to Aiemerci | I | AVCODES |
| 5 | MSA | Mistral Air S.r.l. | IATA: M4, Callsign: Mistral Wings, Name changed to Poste Air Cargo S.r.l. October 2019. IATA Designator changed from 7M. ICAO callsign changed from Aiemerci | I | AVCODES |
| 6 | MSA | Poste Air Cargo S.r.l. | IATA: M4, Callsign: Mistral Wings, IATA Prefix: 408, Name changed from Mistral Air S.r.l. October 2019. IATA Designator changed from 7M. ICAO callsign changed from Aiemerci | I | AVCODES |
| 7 | MSA | Mistral Air | | | ICAO1 |
| 8 | MSA | Mistral Air | Renamed to Poste Air Cargo in 2019 | I | TRAFFIC |
| 9 | MSAA | M S T S | | | SCAC4 |
| 10 | MSAB | MID SOUTH TRANSPORTATION LLC | | | SCAC4 |
| 11 | MSAC | MONT-SAINTE-ANNE | | | SCAC4 |
| 12 | MSAF | MOUNTAIN SPRINGS SPAS | | | SCAC4 |
| 13 | MSAG | MOTION CONCEPTS LP | | | SCAC4 |
| 14 | MSAH | MS TRANS | | | SCAC4 |
| 15 | MSAJ | MSA DELIVERY SERVICE | | | SCAC4 |
| 16 | MSAL | MARITIME SERVICES ALEUROPA GMBH | | | SCAC4 |
| 17 | MSAP | MODEVATION ENTERPRISES INC | | | SCAC4 |
| 18 | MSAQ | MORRIS LOGISTICS LLC | | | SCAC4 |
| 19 | MSAR | MS BLACK SHEEP TRUCKING COMPANY INC | | | SCAC4 |
| 20 | MSAS | MARTINEZ SOSA, ANTONIO Y SILVA | | | SCAC4 |
| 21 | MSAU | MAERSK A/S | | DK | BIC |
| 22 | MSAU | A P MOLLER | | | SCAC4 |
| 23 | MSAV | M & S TRUCKING CO | | | SCAC4 |
| 24 | MSAY | MILLTOWN COLONY FARMS LTD | | | SCAC4 |
| 25 | MSAZ | NATIONAL MOTOR FREIGHT TRAFFIC ASSOCIATION | | | PWRC |
| 26 | MSAZ | National Motor Freight Traffic Association | | | RSRV |
