| 1 | SNM | Servizi Aerei S.p.A. | Callsign: Servizi Aerei, | I | AVCODES |
| 2 | SNM | SNAM S.p.A. | | I | AVCODES |
| 3 | SNM | Servizi Aerei | | | ICAO1 |
| 4 | SNME | SINO-AMERIC | | | SCAC4 |
| 5 | SNMF | SHOUN, MICHAEL E | | | SCAC4 |
| 6 | SNMH | SINOMAN MUSIC LTD | | | SCAC4 |
| 7 | SNMI | STEEL&MACHINERY TRANSPORT, INC | | | SCAC1 |
| 8 | SNMI | STEEL & MACHINERY TRANSPORTATION IN | | | SCAC4 |
| 9 | SNMJ | SOUTHERN MISS TRUCKING INC | | | SCAC4 |
| 10 | SNML | SCHUKRA OF NORTH AMERICA LTD | | | SCAC4 |
| 11 | SNMM | SPARTAN MOTORS INC | | | SCAC4 |
| 12 | SNMN | STINSON MATERIALS INC | | | SCAC4 |
| 13 | SNMQ | S&M MOVING SYSTEMS | | | SCAC1 |
| 14 | SNMQ | S & M MOVING SYSTEMS | | | SCAC4 |
| 15 | SNMR | SUNMAR MARITIME INC | | | SCAC4 |
| 16 | SNMT | SANTIAM TRANSPORT LLC | | | SCAC4 |
| 17 | SNMW | STONE, M TRANSPORT & | | | SCAC4 |
| 18 | SNMX | SNM&P RAILWAY INC. | | | PWRC |
| 19 | SNMY | SNAP MARKETING LLC | | | SCAC4 |
