Namura Technologies is a Japanese company that manufactures and sells aftermarket motorcycle parts and accessories. The company was founded in Osaka in 1954 by Shunzo Namura, who started the business by selling engine parts for two-stroke engines. In the 1960s, Namura began manufacturing piston rings for four-stroke engines, and in the 1970s they began making exhaust systems. Today, Namura Technologies has over 500 employees and exports its products to over 60 countries around the world. The company's headquarters are still located in Osaka, Japan.