Cummins Inc. (US)
Rolls-Royce Holdings Plc (UK)
Atlas copco (Sweden)
Generac Power System Inc. (US))
Honda Motor Co. Ltd (Japan)
Fujian Epos Electric Machinery Co. Ltd.
Kirloskar Oil Engines Ltd. (KOEL)
Greaves Cotton Limited
Huu Toan Group Co. LTD (Vietnam)
Himoinsa SL (Spain)