Corporate Profile: Tokyo Biso Kogyo (TBK) was established in 1957 as a pioneer in building maintenance. For over half of a century, our concept of “Total Maintenance System”, has evolved with technical strength and efficiency so as to provide the highest value cleaning, security and other facility services. We are aggressively expanding all of our facility related businesses: facility management (FM), property management (PM), total building diagnoses, energy-saving diagnose, building engineering for remodeling and conversion. TBK provides consistent high quality service for both hard and soft facility services for the entire life cycle of the building.