| Carrier Code | Carrier Name |
| CREU | CANADIAN RETAIL SHIPPERS ASSN |
| CRGU | CONCORD RESOURCES GROUP |
| CRIU | CRAY RESEARCH INC |
| CRLU | CARLISLE LEASING INTERNATIONAL |
| CRMU | CONRAIL MERCURY INC |
| CRNB | CORNELL STEAMBOAT COMPANY |
| CROS | CAROTRANS INTERNATIONAL INC (SUBSIDIARY OF ABF CORPORATION) |
| CRQH | CREST SHIPPING LIMITED |
| CRRB | CARIBBEAN TANKER CORPORATION |
| CRTU | CROATIA LINE |
| CRUU | CRUSADER SHIPPING CO LTD |
| CRWU | COMPAGNIE FRANCAISE DE PRODUITS METALLURGIQUES |
| CRXU | CRONOS CONTAINERS LTD |
| CSAU | CONTAINER SERVICE AMSTERDAM |
| CSCL | CALLAO SHIPPING COMPANY LIMITED |
