| 1 | SMW | Carpatair Flight Training | Callsign: Smart Wings, | RO | AVCODES |
| 2 | SMW | ST MARYS RAILWAY WEST LLC | | | SCAC4 |
| 3 | SMWA | SCHEXNA | | | SCAC4 |
| 4 | SMWB | STEEL MFG & WHS CO | | | SCAC4 |
| 5 | SMWD | SMITH, MARLOWE TRUCKING LTD | | | SCAC4 |
| 6 | SMWF | SUPERIOR MIDWEST FOODS LLC | | | SCAC4 |
| 7 | SMWH | S AND M TRANSPORTATION INC | | | SCAC4 |
| 8 | SMWI | SMITH, WILLIAM R | | | SCAC4 |
| 9 | SMWL | SMARTWAY LOGISTICS INC | | | SCAC4 |
| 10 | SMWN | SMITH TOWING INC | | | SCAC4 |
| 11 | SMWO | SMARTWAY EXPRESS INC | | | SCAC4 |
| 12 | SMWT | SMITH, WAYNE TRANSPORT | | | SCAC4 |
| 13 | SMWV | SMITH, MATHEW CHARLES | | | SCAC4 |
| 14 | SMWY | SMITHWAY MOTOR XPRESS INC | | | SCAC4 |