Japan
Ueno Technica Corporation
America
Hirotec America, Inc.
Hirotec Mexico, S.A. de C.V.
Hirotec Tooling de Mexico, S. de R.L. de C.V.
Hirotec Manufacturing America LLC.
China
Liuzhou Hirotec Wuling Automotive Engineering Co., Ltd.
Nanjing Hirotec Co., Ltd.
Asia
Silla Engineering Co., Ltd.
Hirotec India Pvt. Ltd.
Hirotec Manufacturing (Thailand) Co., Ltd.
Hirotec Mark Exhaust Systems Pvt. Ltd.
Europe
Hirotec Europe GmbH
Hirotec Manufacturing Deutschland GmbH
Hirotec Bucher GmbH