| DSMI Electronics S.A. | Valais |
| DSS Sustainable Solutions Switzerland S.A. | |
| DSS Swiss Software | St. Gallen |
| Dubidot GmbH | St. Gallen |
| Dubois-Informatique S.A. | Neuchâtel |
| Ducret Software | Zurich |
| Dufour Aerospace | |
| DV Bern AG | Bern |
| Dydon AG | |
| Dynasoft AG | Solothurn |
| Dynawell AG | Zurich |
| e-Puck | Vaud |
| E-Tech Associates | |
| E.N.S.E GmbH | Zurich |
| EarlySight S.A. | |
| EBAMed S.A. | |
| EBOS Digitoner | Fribourg |
| Echovox S.A. | Geneva |
| Ecma International | Geneva |
| Ecma International | |
| Ecogenics GmbH | St. Gallen |
| École polytechnique fédérale de Lausanne | Vaud |
| École polytechnique fédérale de Lausanne - Faculté Informatique et Communications | Vaud |
| École Supérieure du canton de Neuchâtel | Neuchâtel |
| Econis AG | Zurich |
| Ecorobotix S.A. | |
| eCrome Digital AG | St. Gallen |
| Ectica Technologies AG | |
| Ecurex GmbH | |
| EDANIS Elektronik AG | Thurgau |
| Edelweiss Connect GmbH | |
| Efficient Frontier Investing | |
| Efficy | |
| effimag Information Management AG | Schwyz |
| EffRx Pharmaceuticals S.A. | |
| EFG International AG | |
| EFW Swiss AG | |
| Egga S.à.r.l. | Bern |
| Egon Zehnder | |
| EGS Enggist & Grandjean Software S.A. | Neuchâtel |
| EH Group Engineering | |
| EH Group Engineering AG | |
| EHAB Services GmbH | |
| EIC2 S.A. | Geneva |
| eicom GmbH | Aargau |
| Eidgenössische Finanzmarktaufsicht FINMA | |
| Eidgenössische Hochschule für Berufsbildung | |
| Eidgenössische Technische Hochschule Zürich | Zurich |
| Eidgenössische Technische Hochschule Zürich - Department of Computer Science | Zurich |
| Eidgenössische Technische Hochschule Zürich - Department of Mathematics | Zurich |