Kemco
 Kemco Corporation (株式会社ケムコ Kabushikigaisha Kemuko) sometimes referred to as Kotobuki Systems Co. Ltd. is a Japanese video game developer and publisher established in 1984 as a subsidiary of Kotobuki Engineering & Manufacturing Co. Ltd. located in Seika Japan.Kemco was one of the original Nintendo licensees and began to manufacture games for the Nintendo Entertainment System in 1985. In 2001 Kemco U.S.A Inc.