| Carrier Code | Carrier Name |
| CTWW | CHATHAM TOWING COMPANY |
| CTXU | CONTAINEX CONTAINEX CONTAINER DEPOT UND TRANSPORT GMBH & CO KG |
| CTZU | CONTAINER TRANSPORT LOGISTIC GMBH |
| CUBU | CURBELLO, R G |
| CUDM | CALIFORNIA UNITED TERMINALS |
| CUEY | CURRENCY SHIPPING COMPANY LIMITED |
| CULU | CURRIE LINE LTD |
| CUSI | CONTI USA INC |
| CUTU | CONSUL TRANSPORT AGENTUR GMBH |
| CUVQ | CHUSOVOY SHIPPING COMPANY LIMITED |
| CVAU | CONTINENTAL SHIPPING CORP |
| CVCD | CHAVCHAVADZE SHIPPING COMPANY LIMITED |
| CVCS | CLOVER CO S A |
| CVEM | COVE MARINE S A |
| CVGC | CORMORAN S A DE NAVEGACION |
