Shidax Corporation (シダックス株式会社, Shidakkusu Kabushiki-gaisha) (JASDAQ: 4837) is a company providing food services and operating the largest karaoke shop chain in Japan. Its more than 300 karaoke shops across Japan, which operate under the name SHIDAX Please! is typical of the many big karaoke establishments and serves a wide selection of food and drink. Karaoke is approximately 40% of their business. Shidax is primarily in the food service industry with more than 3,000 locations throughout Japan. 60% of their business comes from serving food in hospitals, kindergartens, primary, junior high and high schools, colleges, universities, companies, restaurants and nursing homes. In 2005, Shidax was fifth in Japan's food service industry behind McDonald's, Skylark, Hoka Hoka Tai, and Yoshinoya. Dr.