| 1 | ERR | Era Aviation | Callsign: Erah, Name changed to Era Aviation d/b/a/ Ravn Alaska. ICAO designator changed to RVF. ICAO Callsign changed to Raven Flight. | USA | AVCODES |
| 2 | ERR | EDAVILLE RAILROAD CORP. | | | PWRC |
| 3 | ERR | European Rail Rent | | D | TRAFFIC |
| 4 | ERR | ERR European Rail Rent GmbH | | DE | VKM |
| 5 | ERRA | ERRAND EXPRESS | | | SCAC4 |
| 6 | ERRB | ERRAND BOY, INC | | | SCAC3 |
| 7 | ERRB | EASTERN RED RUBY FOOD PRIVATE LTD | | | SCAC4 |
| 8 | ERRM | ENTREPRISES R R MONDOR INC | | | SCAC3 |
| 9 | ERRP | EAGLE ROAD RAIL TRANSPORTATION SYST | | | SCAC4 |
| 10 | ERRT | EDWARD, ROY R TRUCKING INC | | | SCAC3 |
| 11 | ERRT | ERRIA A/S | | | SCAC4 |
