Hibiya Engineering, Ltd., together with its subsidiaries, provides various engineering products and services primarily in Japan. The company operates through three segments: Construction, Equipment Sales, and Equipment Manufacturing. It offers a range of services, including installation of air conditioning, electrical, and communication equipment, as well as plumbing and other sanitary facilities. The company also engages in the design and construction of buildings and public works; manufacture and sale of construction and sanitary equipment; management, maintenance, security, and cleaning of buildings; and development, design, installation, sale, and maintenance of building security systems. In addition, it provides related consulting services. The company was founded in 1966 and is headquartered in Tokyo, Japan.