Shingo Yamaguchi

Akechi Ceramics KK manufactures ceramic products based on oxide ceramics containing carbon. The company is headquartered in Ena, Japan.

Part of TYK Corp., TYK America, Inc. is a private company based in Clairton, PA.

Houei Kogyo KK provides general contracting services such as constructing heavy construction projects. The company is headquartered in Yanagawa, Japan.

Part of TYK Corp., TYK Europe GmbH is a German company that specializes in producing fire-resistant ceramics and refractory products for the steel and non-ferrous industries. The private company is based in Oberhausen, Germany, and the CEOs are Nobutaka Ushigome and Ciprian Patru. With over 70 years of experience, the company has become one of the most competent suppliers of fire-resistant products worldwide. TYK also develops new materials such as fine ceramics, components for wind and heating energy, and environmental products like exhaust filters. The company's strategy is to enlarge the circle of gratitude all over the world through business quality and environment. TYK's product fields include steel production, products for the blast furnace, converter, electric arc furnace, ladle, and continuous casting.

Part of TYK Corp., TYK Ltd. is a British company that manufactures firebricks. The private company is based in Chilton, UK. TYK was founded in 1988.

Part of Amvis Holdings, Inc., Amvis, Inc. provides home health care services. The private company is based in Tokyo, Japan and was founded in 2013.