Densan Co., Ltd. operates as an information service company in Japan. It operates through Public Sector and Industrial Sector segments. The company provides Internet connection services for general individuals. It also engages in the information processing and provision, information communication and storage, and operation/monitoring service businesses; development, sale, and rental and maintenance of software; and planning, design, development, and maintenance of information systems. In addition, the company plans, researches, develops, sells, rents, installs, and maintains information and communication equipment/information processing equipment and its peripherals, and operational software, as well as sells associated office supplies; manages and operates information systems, and related business operations; information network technology; and rents communication equipment and space in the building. Further, the company engages in the installation work and maintenance of peripheral equipment, communication lines, and electrical equipment; planning, development, and sale of digital contents comprising text, audio, still images, videos, etc.; and collection agency, worker dispatch, and parking lot rental businesses. Additionally, it provides education and training, information system consulting, and publishing services. Densan Co., Ltd. was incorporated in 1966 and is headquartered in Nagano, Japan.