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| Subject | English | Thesaurus |
| abbr., railw. | International Union of Railway Medical Services | UIMC (фр. аббр: Union internationale des services médicaux des Chemins de fer, см. http://bit.ly/uicUIMCfr ilghiz) |
| railw., abbr. | On-Track Railway Services Limited | OTRX |
| railw., abbr. | Quality Railway Services and Supply Company | QRSX |
| transp., abbr. | Railway Services Unit | RSU |
| railw., abbr. | Western Railway Equipment Services | WRES |