| Carrier Code | Carrier Name |
| INLU | INSTEL CORPORATION |
| INNG | INNOVATIVE FREIGHTING INC |
| INOC | INTEROCEAN LINES INC |
| INOP | INTERNATIONAL OPERATORS S A |
| INOT | INTERSTATE OIL TRANSPORT CO |
| INPP | INTERPACIFIC SHIPPING LTD |
| INRB | INLAND RAIL & BARGE SERVICE |
| INTU | INTERPOOL CONTAINER PTY LTD |
| INTY | INTESTRA CO S A |
| INUI | INUI STEAMSHIP CO.,LTD. |
| INVR | INVOLVA CORP |
| INVS | INTERNAVES SHIPPING CORP |
| INXL | INTERNATIONAL EXPRESS LINE |
| IOAN | IOANNITSA SHIPPING LIMITED |
| IOIL | IRVING OIL LIMITED |
