Shinko Sports Co., Ltd., established on November 2, 1978, specializes in building cleaning and maintenance services. The company operates from its headquarters in Mishima, Shizuoka Prefecture, Japan. Over the years, Shinko Sports has expanded its operations across various regions, establishing branches in Hokkaido, Tohoku, Nagano, North Kanto, Saitama, Chiba, Kanagawa, West Tokyo, Shizuoka, Nagoya, Osaka, and Hyogo. The company also maintains sales offices in locations such as Kamifurano, Okaya, Ibaraki, Tochigi, Gunma, Tama, Yamanashi, Hamamatsu, Wakayama, Kyoto, Kochi, Kumamoto, and Okinawa.