BorgWarner Turbo Systems
Bosch
FAG Kugelfischer AG
Honeywell
Turbo Technologies ?
Engine Bosting Systems
IHI Turbo America
MagnaInternational Inc.
MAHLE Group
Gustav WahlerGmbH u. Co. KG
ZF Friedrichshafen AG
Volkswagen AG
Audi AG
?KODA AUTO a.s.
SEAT auto emoción
DaimlerChrysler AG
Dr. Ing. h.c. F.Porsche AG
Adam Opel AG
MAN AG
Ford AG
Gerneral Motors Corporation
Vauxhall AG
Dana Corporation
