| 1 | EDR | Fly AllWays N.V. | IATA: 8W, Callsign: Birdview, IATA Prefix: 231, | SME | AVCODES |
| 2 | EDR | Lineas Aereas Eldorado | | | ICAO1 |
| 3 | EDRA | EDRA TRANSPORTATION INC | | | SCAC3 |
| 4 | EDRD | EDWARDS TRUCKING COMPANY | | | SCAC3 |
| 5 | EDRI | EDMAR INC | | | SCAC3 |
| 6 | EDRL | EDELMAN, R & L | | | SCAC3 |
| 7 | EDRO | EDWARDS, RONALD D TRANSFER | | | SCAC3 |
| 8 | EDRQ | E D R TRANSPORT CO | | | SCAC3 |
| 9 | EDRS | EDIGER, RUSS TRUCKING INC | | | SCAC3 |
| 10 | EDRT | ED-RO TRUCKING CORP | | | SCAC3 |
| 11 | EDRT | EDWARDS, ROGER TRUCKING | | | SCAC4 |
| 12 | EDRU | EDER ZOLTAN E.V. | | H | BIC |
| 13 | EDRX | American Petrofina Co. of Texas | added 10/1958; eliminated 1/1960 | | NAKINA |
| 14 | EDRX | The El Dorado Refining Co. | 8/1920-10/1957; eliminated 10/1958 | | NAKINA |
| 15 | EDRX | The El Dorado Refining Co. | 4/38-10/57; eliminated 10/58 | | NRHS |
| 16 | EDRX | American Petrofina Co. of Texas | added 10/58; eliminated 1/60 | | NRHS |
| 17 | EDRX | AMERICAN PETROFINA CO. OF TEXAS [EL DORADO REFINING CO.] | | | PWRC |
