| Abbreviation | Definition |
|---|---|
| CCR | Corinth and Counce Railroad (Kansas City Southern Railway) |
| CCR | Kansas City Southern Railway Company |
| CCRA | Camp Chase Industrial Railroad |
| CCRA | Camp Chase Industrial Railroad Corporation |
| CCRR | Claremont Concord Railroad |
| CCRR | Claremont Concord Railroad Corporation |
| CCRT | Cape Cod Rail Trail |
| CCRU | Compagnie Des Containers Reservoir |
| CCRX | Coastal Refining and Marketing |
| CCRX | Coastal Refining and Marketing Incorporated |
| CCRY | Charles City Rail Lines Incorporated |
| CCRY | Charles City Railway |
| CCRZ | Corinth and Counce Railroad (Kansas City Southern Railway) |
| CCRZ | Kansas City Southern Railway Company |
| CCS | Coded Cab Signal |
| CCSU | Trans Ocean (Servial CC) |
| CCSU | Trans Ocean Limited |
| CCT | Central California Traction |
| CCT | Central California Traction Company |
| CCTU | Coordinated Caribbean Transport |