Hisaka Works Ltd. engages in the manufacture and sale of industrial machinery. It operates through the following segments: Heat Exchanger, Process Engineering, Valve, and Others. The Heat Exchanger segment deals with plate and brazed plate heat exchangers used in refrigeration and heat pumps, hot water supply and heating, industrial machines, and semiconductors. The Process Engineering segment includes manufacture and sale of sterilizers for retort pouch foods, sterilizers for pharmaceuticals, dyeing and finishing equipment for textile products. The Valve segment produces ball valves. The Others segment covers power generation business. The company was founded on May 5, 1942 and is headquartered in Osaka, Japan.