| Abbreviation | Definition |
|---|---|
| CRE | Consolidated Rail Corporation (Eastern District) |
| CREU | Canadian Retail Shippers Association |
| CREX | Citicorp Railmark Incorporated |
| CREX | Consolidated Railway Equipment (Citicorp Railmark) |
| CREZ | Canadian Retail Shippers Association |
| CRG | COLT Rail Gun |
| CRGX | Cargill |
| CRGX | Cargill Incorporated |
| CRH | Camber of the Rail Head |
| CRH | China Railway High-speed |
| CRI | Consolidated Rail Corporation |
| CRIJ | Carolina Rail Services |
| CRIJ | Carolina Rail Services Incorporated |
| CRIX | Citicorp Railmark |
| CRIX | Citicorp Railmark Incorporated |
| CRL | Chicago Rail Link |
| CRLE | Coe Rail |
| CRLE | Coe Rail Incorporated |
| CRLL | City Rail Link Limited |
| CRLU | Carlisle Leasing International |