Nichias Corporation manufactures and sells thermal insulation materials in Japan. It operates in five segments: Energy and Industrial Plants, Industrial Products, Advanced Products, Auto parts, and Building Materials. It offers sheet, semimetal, metal, and cloth gaskets, pastes and other sealing materials, and gland packings, as well as molten aluminum. The Energy and Industrial Plants segment design, installation work, and maintenance of thermal insulation, cryogenic insulation, fireproofing, soundproofing, and disaster prevention work for plants; sales of sealing materials, thermal insulation materials made of inorganic fiber, and fluoropolymer products for plant facilities. The Industrial Products segment manufacturing and sales of sealing materials, inorganic fiber insulating materials, fluoropolymer molding materials and processed goods, anticorrosive lining materials, and honeycomb filters. The Advanced Products segment includes manufacturing and sales of inorganic fiber insulating materials, and sealing materials. The Auto parts segment manufactures and sales automotive parts, including sealing materials for engines and engine accessories, and parts with thermal insulation, noise reduction, and vibration control attributes. The Building Materials segment manufacturing and sales of non-combustible interior & decorative boards composed of calcium silicate and building materials; construction of fireproofing protection; and design and installation work of free-access floors. It serves electric power and gas; waste incineration plants; chemical, petroleum refinery, and petrochemical; steel and non-ferrous metals; aluminum casting and processing; paper; building and housing construction; semiconductor and flat panel display; foods and pharmaceutical; medical equipment; electric equipment; aerospace; automobiles; ship building, maintenance, repair, industrial equipment, and others industries. The company was incorporated in 1896 and is headquartered in Tokyo, Japan.