| 1 | SMY | Sama Airways Ltd. | IATA: ZS, Callsign: Najim, Suspended operations on 24 August 2010. | SA | AVCODES |
| 2 | SMY | SMM Flight Services, S.A. de C.V. | Callsign: Cabo Cacti, | MEX | AVCODES |
| 3 | SMY | Sama Airlines | IATA: ZS | | ICAO1 |
| 4 | SMYB | SCHUMM | | | SCAC4 |
| 5 | SMYC | SIMULATION TECHNOLOGY SOLUTIONS | | | SCAC4 |
| 6 | SMYH | STRUCTURE MOVERS HAWAII | | | SCAC4 |
| 7 | SMYI | SMY INC | | | SCAC4 |
| 8 | SMYK | SMITTYS TRUCKING INC | | | SCAC4 |
| 9 | SMYL | SANTMYER OIL CO INC | | | SCAC4 |
| 10 | SMYM | SMYTH MOVING SERVICE INC | | | SCAC4 |
| 11 | SMYN | SAMMY TRANSPORT INC | | | SCAC4 |
| 12 | SMYP | SIMS, PHILIP TRUCKING LLC | | | SCAC4 |
| 13 | SMYQ | SMARTWAY TRANSPORTATION LLC | | | SCAC4 |
| 14 | SMYR | SAMYS TRANSPORT | | | SCAC4 |
| 15 | SMYS | SHETLER MOVING & STORAGE INC | | | SCAC4 |
| 16 | SMYV | SAL C MACHINERY MOVERS INC | | | SCAC4 |
| 17 | SMYW | SMYTH WORLD WIDE MOVERS | | | PWRC |
| 18 | SMYW | SAKAR MARITIME LTD | | | SCAC4 |
