| 1 | EIN | Aer Lingus Limited | IATA: EI, Callsign: Shamrock, IATA Prefix: 053, | IRL | AVCODES |
| 2 | EIN | Aer Lingus | IATA: EI | | ICAO1 |
| 3 | EINA | ERHARDT INTERNATIONAL & ASOCIATES | | | SCAC3 |
| 4 | EINB | EINBODEN, E E INC | | | SCAC3 |
| 5 | EINB | EASENON INC | | | SCAC4 |
| 6 | EIND | EASTERN INDUSTRIES INC | | | SCAC4 |
| 7 | EINF | EXCEL INTERNATIONAL FREIGHT | | | SCAC3 |
| 8 | EINF | EINFALT'S TRUCKING INC | | | SCAC4 |
| 9 | EINH | ENDIRECT INC | | | SCAC4 |
| 10 | EINI | ENTECH INC | | | SCAC4 |
| 11 | EINK | EINCK TRUCKING INC | | | SCAC3 |
| 12 | EINK | EQUITRUST INC | | | SCAC4 |
| 13 | EINL | ENOTRADE INC | | | SCAC4 |
| 14 | EINO | EDIGEN INC | | | SCAC4 |
| 15 | EINP | EXPRESS INC | | | SCAC4 |
| 16 | EINQ | ELECTROWHEELS INC | | | SCAC4 |
| 17 | EINR | ELDAR INC | | | SCAC4 |
| 18 | EINT | EASTERN INTER-TRANS SERVICES INC | | | SCAC3 |
| 19 | EINT | EMOTRON INC | | | SCAC4 |
| 20 | EINV | ENC INC | | | SCAC4 |
| 21 | EINW | EINWECHTER LIMITED | | | SCAC4 |
| 22 | EINY | ELECTRAMATIC INC | | | SCAC4 |
