Seigou Ezaki, Head of Kyushu Block, NA, NA
Hiroshi Egawa, Executive Officer, NA, 1969
Hiroyasu Miyazaki, Head of Chugoku & Shikoku Block, NA, NA
Fumitaka Nakamura, President & Representative Director, male, 1968
Kazuhisa Nagata, MD-Technical Center, Machinery Maintenance, Estimation & Environmental Department, male, 1966
Keishi Usami, Head of Construction & Quality Control Division and Director, male, 1967
Yuka Murakami, Sr MD of HR, Gen Aff, Mgmt Planning, Info Sys, Fin, Acc, Sales Supp & Process Mgmt Dept and Director, female, 1967
Shinichi Tamba, Head of Hokkaido & Tohoku Block, NA, NA
Tsuyoshi Nakashima, Head of Hokuriku & Shinetsu Block, NA, NA
Yoshitaka Hamaguchi, Head of Kanto Block, NA, NA