Koji Aiba

Sayco Building Management Co., Ltd. provides building facilities management, cleaning services, security, and maintenance support services. The company was founded on December 27, 1950 and is headquartered in Osaka, Japan.

Okinawa SAYCO KK engages in the business of building construction, condominium management, facilities management and non-life insurance agency services. It also provides building equipment, security guard services and sale of office equipment. The company was founded on April 1, 1974 and is headquartered in Naha, Japan.

Nippon Life Insurance Co. engages in the provision of life insurance services, agency or administration services to other insurance companies and financial institutions. It also provides the guarantees for liabilities, sale and purchase of government bonds and local government bonds, and sales of investment trust beneficiary securities. The company was founded by Sukesaburo Hirose on July 4, 1889 and is headquartered in Osaka, Japan.