Ryoji Ichiki

Asunaro Aoki Construction Co., Ltd. engages in the construction business. It operates through the following segments: Construction, Civil Engineering, and Real Estate. The Construction segment deals with the construction of buildings, marine construction works, port construction works, general construction works, road and pavement construction works, and building renovation services. The Civil Engineering segment specializes in public works. The Real Estate segment sells and leases real estate properties. The company was founded on September 25, 1950 and is headquartered in Tokyo, Japan.

Takamatsu Corp. provides civil engineering and construction services. It offers residential and commercial construction, development, leasing, asset management, and marketing. The company was founded in October 1917 and is headquartered in Osaka, Japan.

Aoki Marine Co., Ltd. engages in the construction business. It also deals with shipping industry, transport services, real estate, insurance agency, and temporary personnel-service. The company was founded on June 25, 1979 and is headquartered in Osaka, Japan.

Mibu Corp. engages in real estate sales and brokerage, leasing and management, leasing guarantee service, and property and life insurance businesses. the company was founded in February 1998 and is headquartered in Tokyo, Japan.