Yoshiya Yahata

SOLCOM Co., Ltd. is engaged in the construction and product sales businesses. It operates through the following segments: Construction, Sales, and Others. The Construction segment offers outdoor communication facility works such as optical fiber cable; and design, construction, and maintenance of telecommunication equipment like Internet protocol network and mobile communication; and civil engineering works including wire public utility conduit and sewerage. The Sales segment deals with sale of office automation equipment and telecommunication building materials. The Others segment involves in the real estate, security services, forwarding, and leasing businesses. It also develops and sells software. The company was founded on April 17, 1947 and is headquartered in Hiroshima, Japan.

Kyoritsu Housing Co., Ltd. provides residential construction services. The company is headquartered in Hiroshima, Japan.

Toyama Corp KK is a Japanese company that is involved in heavy and civil engineering construction industry activities. The private company is based in Hiroshima, Japan.