Taisuke Senoo

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.

Koki Holdings Co. Ltd. engages in the manufacture and sale of power tools, outdoor power equipment, and life-science instruments. It operates through the following segments: Power Tools and Centrifuges & Processing Equipment. The Power Tools segment provides metalworking, woodworking, cordless and construction power tools; pneumatic tools, woodworking machines, outdoor power equipment, gardening tools, household power tools, dust collectors, measure laser tools and accessories. The Centrifuges & Processing Equipment segment provides ultracentrifuges, high-speed refrigerated centrifuge, micro centrifuge, and large-scale continuous flow ultracentrifuge equipment. The company was founded in 1918 and is headquartered in Tokyo, Japan.