TYK Corp. engages in the development, manufacture and sale of refractory materials, fine ceramics, porcelain products, and construction materials. It operates through the following geographical segments: Japan, North America, Europe, Asia, and Others. The geographical segments offer refractory bricks for steel, unshaped refractories, graphite crucible for non-ferrous metals, and new ceramics. The Others segment provides environment-related products and ceramic machinery and equipment. It also includes construction, repair, transportation, and sport facility operation businesses. The company was founded on February 5, 1947 and is headquartered in Tokyo, Japan.