| Carrier Code | Carrier Name |
| DOBU | DOUBLE EAGLE LINES INC |
| DOCP | DOLE COMPANY |
| DODQ | DODEKATON CORPORATION |
| DODU | DEPARTMENT OF DEFENSE |
| DOHA | DOROTHEA SHIPPING COMPANY LIMITED |
| DOHU | DOHRMAN MACHINE PRODUCTION INC |
| DOJR | DOJER LTD |
| DONR | DON MARINE INC |
| DORU | DORICK NAVIGATION S A |
| DOUN | DOUNE LIMITED |
| DPCU | DUPONT, E I DE NEMOURS INC, USA |
| DPDU | DUPONT DE NEMOURS (NEDERLAND) B V |
| DPKT | DAMPSKIBSSELSKABET TORM |
| DPLU | DEPPE LINE |
| DPSH | DELPHIC PRIDE SHIPPING COMPANY LTD |
