MARINE BOILERS
AUXILIARY BOILERS
Aalborg Industries K.K.
Hitachi Zosen Corporation
Ishikawajima-Harima Heavy Industries Co. , Ltd.
Kawasaki Heavy Industries, Ltd.
Mitsubishi Heavy Industries, Ltd.
Mitsui Engineering & Shipbuilding Co., Ltd.
Miura Co., Ltd.
Osaka Boiler Mfg. Co., Ltd.
Takuma Machinery & Engineering Co., Ltd.
Tortoise Engineering Co., Ltd.
MAlN BOILERS
Hitachi Zosen Corporation
Ishikawajima-Harima Heavy Industries Co., Ltd.
Kawasaki Heavy Industries, Ltd.
Mitsubishi Heavy Industries, Ltd.
Mitsui Engineering & Shipbuilding Co.. Ltd.
EXHAUST GAS ECONOMIZERS
Aalborg Industries K.K.
Hitachi Zosen Corporation
Ishikawajima-Harima Heavy Industries Co., Ltd.
Kawasaki Heavy Industries, Ltd.
Mitsubishi Heavy Industries, Ltd.
Mitsui Engineering & Shipbuilding Co.. Ltd.
Miura Co., Ltd.
Osaka Boiler Mfg. Co., Ltd.
Takuma Machinery & Engineering Co., Ltd.
HOT WATER BOILERS
Miura Co., Ltd.
Takuma Machinery & Engineering Co., Ltd.
Tortoise Engineering Co., Ltd.
MISCELLANEOUS BOILERS
Miura Co., Ltd.
Sunflame Co., Ltd.
Takuma Machinery & Engineering Co., Ltd.
PARTS & ACCESSORIES FOR BOILER
Aalborg Industries K.K.
Hemmi Iron Works Co., Ltd.
Ohhama Manufacturing Co., Ltd.
Sasakura Engineering Co., Ltd.
Sunflame Co., Ltd.
Volcano Co., Ltd.
