Sai Audit & Account's - Gadhinglaj, Maharashtra

First Quality Certification (FQC) - Stuttgart

TRIGO GmbH & Co. KG - Korntal-Münchingen

Construction Risk Management GmbH - Stuttgart

HALTEC - Hallenbau Baden-Württemberg - Korntal-Münchingen

ROI Management Consulting AG - Stuttgart

Manufaktur der Prozesse - Stuttgart

JR Management Services & Qualifizierung - Bad Mergentheim

BDO - Austin, Texas

Schweitzer Engineering Laboratories - Round Rock, Texas