• Brainloop (document management)
• Deutsche Bank (financial services)
• DIGITTRADE (data storage)*
• D-TRUST (certificates)
• Fraunhofer SIT (IT security training for T.I.S.P.)
• Fraunhofer IESE (IT security training for T.P.S.S.E.)
• Fujitsu (displays)
• GData (virus protection)*
• hornetsecurity (cloud and mail technology)*
• Institut für Internet-Sicherheit - if(is) (IT security consultancy)*
• isits (IT security training for T.I.S.P., T.P.S.S.E.)*
• Microsoft (computer, software)
• MTRIX (biometric application)
• NürnbergMesse (exhibition services)
• Philotech (IT security training for T.P.S.S.E.)
• SEC (IT security training for T.P.S.S.E.)
• Secardeo (PKI infrastructure services)*
• Secorvo (IT security training for T.I.S.P., T.P.S.S.E)
• Siemens (communication technology)
• T-Systems (communication)
• Zertificon (PKI infrastructure)*

* "IT Security made in Germany"