| IBM | InSoft, Inc. |
| IBM (disques) | Intel |
| IBM (Imprimante) | Intel Corporation |
| IBM (PC) | |
| IBM (Réseau) | InterCon Systems Corporation |
| IBM Corporation | Intergraph |
| IBM Global Network | Intergraph Corporation |
| Interleaf, Inc. | |
| IBM OS/2 | Interphase Corporation |
| IBM Zurich Research Laboratory | InterVista Software |
| Intuit Inc. | |
| Idea | Iomega |
| Iiyama | Iomega Corporation |
| Imes | Iomega ftp |
| Info Peripheral | IPC Technologies, Inc. |
| Informix Software, Inc. | Ipsilon Networks |
| Innosoft International, Inc. | Itk |
| Insignia Solutions, Inc. | Iwill |
| Jaton |
| Joss Technology (site não existe) |