Hirohiko Umebayashi, Executive Vice President & GM of Administration Division and Director, male, 1961
Masaaki Tanaka, Senior Executive Officer, GM of Kyushu Branch & Director, male, 1963
Hisafumi Komiya, Senior Executive Officer, GM of Corporate Planning Office & GM of Procurement Center and Director, male, 1960
Tadahiko Tsutsumi, President, Chief Executive Officer & Chairman, male, 1959
Yasuo Yuta, Managing Executive Officer, GM of Civil Engineering Division & Director, male, 1960
Osamu Ueda, Senior Executive Officer & Deputy GM of Civil Engineering Headquarters, NA, NA
Yosuke Yagi, Senior Executive Officer & GM of Business Development Dept., NA, NA
Yuji Sagara, Accounting Department Manager of Management Division, NA, NA
Yuji Sato, Senior Executive Officer & GM of Technical Center and in charge of Technical Proposal, NA, NA
Yuji Tsuji, Senior Executive Officer & GM of Kanto Branch, NA, NA