| ICI (NZ) Ltd |
| ICI of Australia & New Zealand |
| Ingram & Company |
| Inter Island Shipping Company |
| Intercolonial Royal Mail Steam Packet Company |
| Inter Island Shipping Company |
| Inter Island Steamship Co Ltd Auckland |
| International Tanking Limited |
| Intertrader Navigation Company S A |
| Invercargill Shipping Co Ltd |
| Irvine &Stephenson |
| Isaacs E & H |