| 2004 |
General Electric |
| 2000 |
Bank für Arbeit und Wirtschaft
(BAWAG) |
| 1997 |
Aral AG |
| 1996 |
Digital Equipment Corporation
(DEC) |
| 1995 |
Daimler Benz Interservices
(debis) |
| 1994 |
ISS Software Services
GmbH |
| 1993 |
Digital Equipment Corporation
(DEC) |
| 1992 |
Internet GmbH |
| 1991 |
Digital Equipment Corporation
(DEC) |