| ABB | 1 |
| AOK PLUS / kubus IT | 1 |
| Accenture | 1 |
| Airbus | 1 |
| Allianz Lebensversicherungs-AG | 1 |
| Atos | 1 |
| Atruvia AG | 1 |
| BASF SE | 1 |
| BMW Group | 1 |
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| Boehringer Ingelheim | 2 |
| Bundesagentur für Arbeit | 1 |
| Capgemini | 1 |
| Commerzbank | 1 |
| Continental AG | 1 |
| DATEV eG | 2 |
| DB Systel GmbH | 1 |
| DFS Deutsche Flugsicherung | 1 |
| Deloitte | 1 |
| Deutsche Bank AG | 1 |
| Deutsche Telekom AG | 1 |
| Endress+Hauser | 1 |
| Festo | 1 |
| Finanz Informatik | 1 |
| Fresenius SE & Co. KGaA | 1 |
| Fujitsu | 1 |
| HENSOLDT | 1 |
| HORNBACH | 2 |
| Hansgrohe | 1 |
| Infineon Technologies | 1 |
| MTU Aero Engines | 2 |
| Merck KGaA | 1 |
| Mittwald | 1 |
| Porsche | 3 |
| REWE digital | 2 |
| Rheinmetall | 1 |
| Robert Bosch GmbH | 1 |
| Roche | 1 |
| Rohde & Schwarz | 3 |
| SAP SE | 1 |
| Schwarz Digits KG | 3 |
| Siemens AG | 1 |
| Siemens Healthineers | 1 |
| TÜV SÜD | 1 |
| United Internet (1&1/GMX/WEB.DE) | 1 |
| Vodafone | 1 |
| Volkswagen AG | 1 |
| ZF Friedrichshafen AG | 1 |
| dmTECH GmbH | 2 |