Hokuetsu Industries
Kobe Steel Ltd.
Matsubara Iron Works, Ltd.
Meiji Air Compressor Mfg. Co., Ltd.
Suction Gas Engine Mfg. Co., Ltd.
Tanabe Pneumatic Machinery Co., Ltd.
Teikoku Machinery Works Ltd.
Yanmar Diesel Engine Co., Ltd.
Hokuetsu Industries
Kobe Steel Ltd.
Matsubara Iron Works, Ltd.
Meiji Air Compressor Mfg. Co., Ltd.
Suction Gas Engine Mfg. Co., Ltd.
Tanabe Pneumatic Machinery Co., Ltd.
Teikoku Machinery Works Ltd.
Yanmar Diesel Engine Co., Ltd.