Isolite Insulating Products (イソライト工業株式会社) is a company manufacturing and selling high-temperature fireproof insulation materials that contribute to energy saving in the thermal industry. It develops insulating firebricks and high-temperature insulation wool materials for the steel, petrochemical, and ceramics industries. The company is also engaged in research and development of the ceramic porosification technology of insulating materials used in energy saving, disaster prevention, composite materials, and environmental conservation. It offers Isolite CG, a product made from granulated and calcined diatomaceous earth used for the greening of the school grounds, lawn development, and management of sports facilities.