Industrial data management Through the U.S. company OSIsoft, which develops and sells IoT data management software to industrial users, we are supporting the improvement of energy efficiency by visualizing facility operating data in a wide range of industries, including electric power and oil & gas. Introduction of BEMS In Bussan Building (a rental office building in Nishi-Shimbashi, Minato-ku, Tokyo) owned by our subsidiary Mitsui & Co.