| Name | PLZ | Ort |
| darski art of communication | 42283 | Wuppertal |
| KIELE.e-consult | 65527 | Niedernhausen |
| Netfire GmbH | 22765 | Hamburg |
| GET Sol 1 GmbH | 04129 | Leipzig |
| Cycletech Multimedia GmbH | 46147 | Oberhausen/Rhld. |
| DENIC eG | 60329 | Frankfurt am Main |
| aureus GmbH | 46244 | Bottrop |
| Weframe AG | 81249 | München |
| B&IT Business & IT Consulting GmbH | 5020 | Salzburg |
| Business IT Solutions GmbH | 28219 | Bremen |
| agentes group | 81829 | München |
| Walde IT-Systeme | 42655 | Solingen |
| Cornix IT | 32257 | Bünde |
| FUNKE Mediengruppe GmbH & Co. KGaA | 45127 | Essen |
| global IT consulting GmbH | 89081 | Ulm |
| ScanPlus GmbH | 89081 | Ulm |
| 1&1 Telecommunication SE | 56410 | Montabaur |
| Future & Innovative Services GmbH | 60433 | Frankfurt am Main |
| Econocom Service GmbH | 60528 | Frankfurt am Main |
| Keuthen AG | 55129 | Mainz |
| ITS AG | 63773 | Goldbach |
| Makrolog AG | 65191 | Wiesbaden |
| Carpe Diem Kommunikations Technologie GmbH | 65197 | Wiesbaden |
| wint.global GmbH | 40599 | Düsseldorf |
| Flownative GmbH | 23566 | Lübeck |
| teufelsmoor IT-Service | 28879 | Grasberg |