| Carrier Code | Carrier Name |
| GORU | GOTTARDO S I T GOTTARDO RUFFONI |
| GOSJ | GOSS, JOHN L CORPORATION |
| GOSU | GOLD STAR LINE |
| GPCL | GEEPEE CORPORATION LTD |
| GPRS | GULF PUERTO RICO LINES |
| GPRU | GUINESS, ARTHUR SON AND CO LTD |
| GPTU | GULF PUERTO RICAN TRANSPORT INC |
| GPTW | GELLATLY PETROLEUM & TOWING CORPORATION |
| GQBU | GRANEL QUIMICA LTD |
| GQDD | GOLAR DUNDEE INC |
| GQED | GOLAR EDINBURGH INC |
| GQLF | GLEFI SHIPPING XXII COMPANY LIMITED |
| GQSP | GIANT SHIPPING LTD |
| GRAU | GRAZIOSI CONTAINERS S R L |
| GRBU | GRAAF BEHER |
