RINNAI CORPORATION is a Japan-based company engaged in the manufacture and sale of heating appliances and components. The products and components are manufactured by the company and affiliated companies. In the domestic market, the Company sells directly to customers such as city gas companies, propane fuel sales companies, housing equipment manufacturers, house manufacturers, pipe building material sales companies. The Company manufactures and sells at overseas subsidiaries and affiliates. The Company operates in six businesses, including Japan, the United States, Australia, China, Korea, and Indonesia.