Sumito Kasai

Nippon COMSYS Corp. provides telecommunications infrastructure services. These includes fiber optic cable installation, cable tunnel construction, and wireless communications base station construction. It also offers general civil engineering services and building construction. The company was founded in December, 1951 and is headquartered in Tokyo, Japan.

NDS Co., Ltd. engages in the provision of telecommunication solutions with focus on building and maintenance of communications infrastructure. It operates through the following segments: Multidiscipline Engineering, Information Communications Technology (ICT) Solutions, and Housing & Real Estate. The Multidiscipline Engineering segment includes design, construction, and maintenance of communication lines, mobile communication, cable television facilities, electrical facilities, solar power generation facilities work, and others. The ICT Solutions segment covers design, development, operation and maintenance, as well as consultation of information systems, networks, automated teller machine facilities, and others. The Housing & Real Estate segment deals with sales and remodeling of condominiums and detached houses, real estate management, and appraisal and consulting. The company was founded on May 13, 1954 and is headquartered in Nagoya, Japan.

Nippon Telegraph & Telephone East Corp. provides regional telecommunications services. It offers telephone service applications and changes, billings and payment solutions, discount options, optional services, Internet services, wireless communication network services and business network. The company was founded on July 1, 1999 and is headquartered in Tokyo, Japan.