Nippon Thermostat of America Corp. makes engine thermostats for automotive manufacturers. The company is a wholly owned subsidiary of Nippon Thermostat Co., Ltd., which was founded in 1954 in Tokyo, Japan. Nippon Thermostat chose to build its first U.S. plant in Fraziers Bottom, West Virginia, in 2002. In subsequent years, the company expanded and more than doubled its workforce.
