| 1 | ESX | Euroskylink Ltd. | Callsign: Catfish, Ceased operations. | GB | AVCODES |
| 2 | ESX | Euroskylink | | | ICAO1 |
| 3 | ESXC | EASTSIDE EXPRESS CORPORATION | | | SCAC3 |
| 4 | ESXF | E & S TRANSPORTATION INC | | | SCAC4 |
| 5 | ESXI | ES EXPRESS INC | | | SCAC4 |
| 6 | ESXL | ESSEX LIMOUSINE | | | SCAC3 |
| 7 | ESXL | ESSEX LIMOUSINE | | | SCAC4 |
| 8 | ESXN | E & S TRANSPORTATION LLC | | | SCAC4 |
| 9 | ESXO | ESSEX OIL COMPANY | | | SCAC4 |
| 10 | ESXP | ESTEP EXPRESS INC | | | SCAC4 |
| 11 | ESXQ | EASTERN STATES TRANSPORTATION INC | | | SCAC4 |
| 12 | ESXR | ESTRELLA EXPRESS SA DE CV | | | SCAC4 |
| 13 | ESXY | ESSEX LINEN SUPPLY LIMITED | | | SCAC4 |
