AIS, ASE
     HP AlphaServer Systems - Tru64 UNIX
     HP ProLiant Servers
     HP StorageWorks
APC, ASC HP Enterprise Storage Solutions
APS HP ProLiant Servers
APP, ASP
     HP Enterprise Solutions
     HP Integrity Solutions - Linux & Windows
ASP
     HP Network Storage Solutions
     HP ProLiant Solutions
CSA, CSE HP Tru64 UNIX v5
HP Portfolio Sales Training
HP3P Preferred Certification Exception
MASE
     HP ProLiant High Availability and Clustering Solutions
     HP SAN Architect - Data Availability Solutions

EMC²

LCNA
Networker Certified Network Administrator

IBM Deutschland GmbH

Certified Specialist 
     AIX 5L UNIX-Profi
     Open Systems Storage Solutions
     p5 and pSeries Technical Sales Support
     Highend Tape, Highend Disk

FalconStor Software

FalconStor Certified SE

Microsoft Deutschland GmbH

MCSE, MCPS, MCSA

Symantec Corporation

Symantec HA Cluster Solutions
Symantec Enterprise Vault Sales, Level 1 und Level 2

VMware, Inc.

VMware Certified Professional

Citrix Systems GmbH

CCSP, CCA, CCEA