| 1 | RLG | Regionalverkehr Ruhr-Lippe GmbH | Hamm | D | privat-bahn.de |
| 2 | RLG | Regionalverkehr Ruhr-Lippe GmbH Soest u. Hochsauerland | | D | TRAFFIC |
| 3 | RLG | Regionalverkehr Ruhr-Lippe | | DE | VKM |
| 4 | RLGB | RILEPH GLOBAL TRANSPORT INC | | | SCAC4 |
| 5 | RLGC | Railogic | | DE | VKM |
| 6 | RLGG | RESCIGNO LOGISTICS GROUP LLC | | | SCAC4 |
| 7 | RLGI | RESOURCE LOGISTICS INTERNATIONAL | | | SCAC4 |
| 8 | RLGK | RADOM LOGIC GROUP INC | | | SCAC4 |
| 9 | RLGM | RLG INTERMODAL COMPANY | | | SCAC4 |
| 10 | RLGN | RaiLink Canada Ltd, d/b/a RaiLink Mackenzie Northern | added 7/1998; 7/2000; eliminated 10/2004; 7/2005 | | NAKINA |
| 11 | RLGN | RaiLink Canada Ltd, d/b/a RaiLink Mackenzie Northern | added 7/98; 7/2000 | | NRHS |
| 12 | RLGN | RAILINK CANADA LIMITED, DBA MACKENZIE NORTHERN RAILWAY | | | PWRC |
| 13 | RLGN | Mackenzie Northern Railway | | | RSRV |
| 14 | RLGO | ROLLING OATS LTD | | | SCAC3 |
| 15 | RLGO | ROGERS LOGISTICS GROUP, THE | | | SCAC4 |
| 16 | RLGP | RAMAR TRANSPORTATION & LOGISTICS GR | | | SCAC4 |
| 17 | RLGQ | RDW LOGISTICS INC | | | SCAC4 |
| 18 | RLGR | RILINGER TRUCKING | | | SCAC3 |
| 19 | RLGS | REICH LOGISTIC SERVICES INC | | | SCAC4 |
| 20 | RLGT | RAWLINGS TRUCKING INC | | | SCAC3 |
| 21 | RLGU | REAL LOGISTICS SP. Z O.O. SP.K. | | PL | BIC |
| 22 | RLGX | Roberto de la Garza y Hnos, S.A. | added 1/1956; 10/1957-1/1980 | | NAKINA |
| 23 | RLGX | Roberto de la Garza y Hnos, S.A. | 10/57-1/80 | | NRHS |
| 24 | RLGX | *ROBERTO DE LA GARZA Y HNOS, SA | | | PWRC |
| 25 | RLGX | +RAIL LOGIX, LP | | | PWRC |
| 26 | RLGX | Rail Logix | | | RSRV |
| 27 | RLGX | RAIL LOGIX LP | | | SCAC4 |
| 28 | RLGX | Rail Logix | | USA | TRAFFIC |
