T.RAD Co., Ltd. and its subsidiaries research, develop, manufacture, and sell heat exchangers for automobiles, construction and industrial machines, air conditioners, generators, and other applications. Its products include radiators, oil and EGR coolers, charge air coolers, and fin coils for air conditioners. The company also develops and sells environment-related equipment, provides solutions using thermal energy conversion and information technology, develops and sells software, offers freight truck transportation, and provides sales support. Formerly Toyo Radiator Co., Ltd., it changed its name to T.RAD Co., Ltd. in April 2005; it was incorporated in 1936 and is headquartered in Shibuya, Japan.