Kazunari Furugen

Nippon Telegraph & Telephone West Corp. provides regional telecommunication services in the western parts of Japan. The firm's activities include telephone services, integrated digital communications services, leased circuit services and other telecommunication-related activities. The company was founded on July 1, 1999 and is headquartered in Osaka, Japan.

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.

Hokuriku Denwa Kouji Co., Ltd. engages in the construction business. It operates through Communications Construction and Information Systems segments. The Communications Construction segment designs, builds, and maintains cable facilities, civil engineering facilities, telecommunications facilities and other general construction works. The Information Systems segment develops business application and communications software; and designs, constructs, and maintains networks. The company was founded in November 1949 and is headquartered in Kanazawa, Japan.

SYSKEN Corp. engages in the construction of information and communications infrastructure in Japan and internationally. Its operations are carried out through the following business segments: Information & Telecommunications, General Facilities, and Others. The Information & Telecommunications segment deals with the construction of telecommunication facilities for the Nippon Telegraph and Telephone (NTT)Group and other self-governing bodies. The General Facilities segment engages in the construction of telecommunication facilities for private businesses and government offices. The Others segment provides communication equipment and solar power generation systems. The company was founded on September 10, 1954 and is headquartered in Kumamoto, Japan.