| 1 | ECR | Energia Creadora, S.A. de C.V. | Callsign: Energia, | MEX | AVCODES |
| 2 | ECR | Euro Cargo Rail | | F | TRAFFIC |
| 3 | ECR | Euro Cargo Rail | | FR | VKM |
| 4 | ECRA | ELITE CLEAN ROOM SERVICES | | | SCAC4 |
| 5 | ECRC | E C R CO | | | SCAC3 |
| 6 | ECRD | ECR ENTERPRISES LTD | | | SCAC4 |
| 7 | ECRO | EAST COAST RESOURCES LLC | | | SCAC4 |
| 8 | ECRP | EASTERN COURIER CORPORATION | | | SCAC4 |
| 9 | ECRR | ECKHART, R & R TRUCKING | | | SCAC3 |
| 10 | ECRR | EAST COAST TRANSPORT INC | | | SCAC4 |
| 11 | ECRS | EXCLUSIVE COURIER SERVICE | | | SCAC3 |
| 12 | ECRX | Econo-Rail Corp. | 7/2000-7/2005 (not listed) | | NAKINA |
| 13 | ECRX | Econo-Rail Corp. | Jul-00 | | NRHS |
| 14 | ECRX | *ECONO-RAIL CORPORATION | | | PWRC |
| 15 | ECRX | +KINDER MORGAN PETCOKE, LP | | | PWRC |
| 16 | ECRX | Econo-Rail Corporation | | | RSRV |
| 17 | ECRX | TRANSGLOBAL SOLUTIONS INC | | | SCAC4 |
| 18 | ECRZ | NORFOLK SOUTHERN [CONSOLIDATED RAIL CORP.] | | | PWRC |
| 19 | ECRZ | Conrail (Norfolk Southern) | | | RSRV |
| 20 | ECRZ | NORFOLK SOUTHERN RAILWAY COMPANY (N | | | SCAC4 |
