| 1 | SNA | Senator Aviation Charter GmbH | Callsign: Senator, Ceased operations in 2017. | D | AVCODES |
| 2 | SNA | LogicPaq Btd, s.r.l. d/b/a Sky Cana | IATA: RD, Callsign: Cana, IATA Prefix: 440, | DOM | AVCODES |
| 3 | SNA | Senator Aviation Charter | | | ICAO1 |
| 4 | SNA | Sacramento Northern Ry. | Real: SN | USA | TRAFFIC |
| 5 | SNAF | SIX TWO NINE NINE FOUR ZERO SEVEN ( | | | SCAC4 |
| 6 | SNAJ | Skynet Asia Airways / Solaseed Air | Real: SNJ | J | TRAFFIC |
| 7 | SNAL | SANGHA, A TRUCKING LTD | | | SCAC4 |
| 8 | SNALL | Snälltaget AB | | S | TRAFFIC |
| 9 | SNAM | SEVEN BROTHERS TRANSPORTATION LLC | | | SCAC4 |
| 10 | SNAN | SNARE SHOP, THE | | | SCAC4 |
| 11 | SNAP | SANDRI, A R INC | | | SCAC4 |
| 12 | SNAR | SUNRISE AG SERVICE COMPANY | | | SCAC4 |
| 13 | SNAT | SPANISH & AMERICAN TRANSPORTATION I | | | SCAC4 |
| 14 | SNAU | SMARTLAGER NORGE AS | | N | BIC |
| 15 | SNAU | SMARTLAGER NORGE AS | | | SCAC4 |
| 16 | SNAV | SEASIDE NAVIGATION (USA) INC | | | SCAC4 |
| 17 | SNAX | Sociedad Nacional de Productores de Alcohol | 1/1946-1/1975; eliminated 10/1975 | | NAKINA |
| 18 | SNAX | Sociedad Nacional de Productores de Alcohol | 1/52-1/75 | | NRHS |
| 19 | SNAX | SOCIEDAD NACIONAL DE PRODUCTORES DE ALCOHOL | | | PWRC |
| 20 | SNAY | STORMIN TRANSPORT LLC | | | SCAC4 |
