Below is a list of Fortune 500 Automotive companies that use Six Sigma:
ArvinMeritor
Autoliv
Brunswick
Cooper Tire & Rubber
Dana
Delphi
Federal-Mogul
Ford Motor Company
General Motors
Goodyear Tire & Rubber
Johnson Controls
Lear
Navistar International
PACCAR
Tenneco Automotive
TRW Automotive Holdings
Visteon