| Carrier Code | Carrier Name |
| IFLW | INTERFLOW USA INC |
| IFNV | INFORTRA N V |
| IFRU | INTERFRIGO-TRANSTHERMOS GMBH |
| IFSL | INTERNATIONAL FRUIT SERVICES LIMITED |
| IFSU | INTERLINK FREIGHT SYSTEMS |
| IFTP | ISLAND FREIGHT TRANSPORTATION INC |
| IGAU | ITALCONSTRUCTION |
| IGBU | ISLAND GASES LTD |
| IGCN | ISLA GRANDE COMPANIA NAVIERA S A |
| IGLU | INDEPENDENT GULF LINE |
| IGMU | GULF & MISSISSIPPI |
| IGRM | INGRAM CORPORATION |
| IGTP | INAGUA TRANSPORTS INC |
| IILU | INDEPENDENT CONTAINER LINE LTD |
| IINO | IINO KAIUN KAISHA LTD |
