| ICBC (Europe) S.A. Brussels Branch | |
| icCube Software | Vaud |
| ICLIP AG | Bern |
| ICLUB | |
| ICON Foundation | |
| ICON Worldwide | |
| ICON Worldwide AG | |
| Icontel AG | Zurich |
| ID Informatique & Développement S.A. | Neuchâtel |
| ID Quantique S.A. | Geneva |
| IDC AG | Obwalden |
| Iddi Informatique S.à.r.l. | Geneva |
| IDEA-System | Vaud |
| IDEC | Vaud |
| Identech Partners AG | Zurich |
| IDESCAP | Neuchâtel |
| Idiap Research Institute | Valais |
| Idorsia Pharmaceuticals Ltd | |
| IDUN Technologies AG | |
| IFA Weiterbildung AG | Zurich |
| IFM Business School | |
| iGrowth | |
| iHotel | Lucerne |
| ImageWare AG | Bern |
| iMatt S.à.r.l. | Neuchâtel |
| iMazing | Geneva |
| Imburse | Zurich |
| ImCoSys AG | |
| Imedia.ch S.à.r.l. | Vaud |
| Imhof EDV | Bern |
| Immitra Bio GmbH | |
| Immomig S.A. | Lucerne |
| ImmoServer AG | Aargau |
| ImmuniWeb S.A. | |
| Immunos Therapeutics | |
| Impaakt | |
| Implevit AG | Zurich |
| ImproWare AG | Basel-Landschaft |
| IMS Integrierte Managementsysteme AG | Lucerne |
| IMSEC | Zug |
| IMT AG | St. Gallen |
| Imverse | |
| Imverse S.A. | Geneva |
| Inartis S.A. | Vaud |
| Inatec Payment AG | Lucerne |
| Inautec GmbH | Schwyz |
| InCephalo Therapeutics | |
| incor AG | Bern |
| Incore Holding AG | |
| Indalo Solutions GmbH | Thurgau |