Aisin Seiki Co.
 Aisin Seiki Co. Ltd. (アイシン精機株式会社 Aishin Seiki Kabushiki Kaisha) also known as Aisin is a Japanese corporation which develops and produces components and systems for the automotive industry. Aisin is a Fortune Global 500 company ranked 347 on the 2007 rankings. Aisin Seiki was founded in 1949 and currently supplies engine drivetrain body and chassis aftermarket and other main automotive parts for various major OEM's.