KLASS Corp. engages in the manufacture and sale of machines for home furnishing. It operates through the following segments: Professional, Consumer, Industry, and New Industry. The Professional segment handles the manufacture and sale of interior construction equipment and tatami mat manufacturing equipment. The Consumer segment offers special function tatami mats, funeral tatami mats, and bath tatami mats. It also installs solar power generation systems. The Industry segment deals with the manufacture of customized factory production equipment and dispensers for restaurants. The New Industry segment plans, develops, and sells automation systems that use water jet technology and robot technology mainly for the automobile industry. The company was founded by Chozo Koroyasu in October 1948 and is headquartered in Tatsuno, Japan.