| Carrier Code | Carrier Name |
| CGNM | CARIBBEAN GENERAL MARITIME LTD |
| CGNV | CENARGO NAVIGATION LTD |
| CGOC | CARGO CARRIERS INC |
| CGPA | CETRAGPA G I E |
| CGPO | CARGOPORT TRANSPORTATION C A |
| CGSN | CRAIGSIDE NAVIGATION CORPORATION |
| CGSU | CARBAGAS |
| CGTU | CIE GENERALE TRANSATLANTIQUE (FRENCH LINE) |
| CGUF | CARGOGULF |
| CGWC | CHAMPLAIN-GATEWAY CRUISES INC |
| CGWN | CHINA RESOURCES TRANSPORTATION & GODOWN CO LTD |
| CHAG | CHAGENTS INC |
| CHAU | COMBINED TRANSPORT GROUP |
| CHBG | CHEMICAL BARGE CO |
| CHDU | CHEMINOVA A/S |
