| 1 | ENA | Espana, Direccion General De Aviacion Civil Y Telecomunicaciones | IATA: NA, Callsign: ENA, Designator NA recalled by IATA | E | AVCODES |
| 2 | ENA | Direccion General de Aviacion Civil y Telecomunica | | | ICAO1 |
| 3 | ENAA | EXPRESS NORTH AMERICA COURIERS | | | SCAC4 |
| 4 | ENAC | ENDERLIN, AMOS CONTRACTING | | | SCAC3 |
| 5 | ENAFER | Empresa Nacional de Ferrocarriles del Peru | | PE | TRAFFIC |
| 6 | ENAG | Erms Neckar Bahn AG | Bad Urach | D | privat-bahn.de |
| 7 | ENAG | Erms-Neckar-Bahn AG | | DE | VKM |
| 8 | ENAK | ENNS, A | | | SCAC4 |
| 9 | ENAO | ENFIELD BONDED WAREHOUSE | | | SCAC3 |
| 10 | ENAO | ENFIELD BONDED WAREHOUSE | | | SCAC4 |
| 11 | ENAQ | E & A TRUCKING | | | SCAC3 |
| 12 | ENAQ | ENERGY SHIPPING S P A OF | | | SCAC4 |
| 13 | ENAR | ENA COURIERS INC | | | SCAC4 |
| 14 | ENAT | ENA COURIERS (CENTRAL TEXAS) INC | | | SCAC3 |
| 15 | ENAT | Eastern National | | GB | TRAFFIC |
| 16 | ENAU | MAERSK A/S | | DK | BIC |
| 17 | ENAU | EMPRESA DE NAVEGACAO ALIANCA | | | SCAC3 |
| 18 | ENAU | HAMBURG SUED | | | SCAC4 |
