AB Volvo Penta
Anglo Belgian Corporation
Caterpillar
Cummins
Deere & Company
Deutz AG
HD Hyundai Heavy Industries Engine & Machinery
Ingeteam
Isuzu Motors Engine
Masson Marine
Mitsubishi Heavy Industries
Nanni Industries
Perkins Engines Company Limited
Rolls-Royce
Scania
Steyr Motors Betriebs
Vetus
W?rtsil?
Yamaha Motor Co. Yanmar Marine International