No.1 Co.,Ltd engages in the planning, development, manufacture, sale, and maintenance of information security equipment and OA related products in Japan. The company offers multifunction printers, business phones, and file servers. It also engages in the sale and maintenance of information and communication equipment; line and mobile sales, and related agency business; system and business support business; software contract development; internet-related business; and sale of agency business. No.1 Co.,Ltd was incorporated in 1989 and is headquartered in Tokyo, Japan.