Members List

Regular Members
 Aisawa Corporation
 Asanuma Corporation
 Asunaro Aoki Construction. Co., Ltd.
 Dai Nippon Construction
 Daiho Corporation
 Fudo Tetra Corporation
 Fujita Corporation
 Fukuda Corporationn
 Hazama Ando Corporation
 Honma Corporation
 Iwata Chizaki Inc.
 JDC Corporation
 Kajima Corporation
 Konoike Construction Co., Ltd.
 Kumagai Gumi Co., Ltd.
 Maeda Corporation
 Morimoto Corporation
 Muramoto Construction Co., Ltd.
 Nishimatsu Construction Co., Ltd.
 Nissan Rinkai Construction Co., Ltd.
 Obayashi Corporation
 Ohmoto Gumi Co., Ltd.
 Okumura Corporation
 Okumura Engineering Corporation
 Orientaru Shiraishi Corporation
 P.S. Mitsubishi Construction Co., Ltd.
 Penta-Ocean Construction Co.,Ltd.
 Sakata-Construction Co., Ltd.
 Sato Kogyo Co., Ltd.
 Seibu Construction Co., Ltd.
 Shimizu Corporation
 Sumitomo Mitsui Construction Co., Ltd.
 Taisei Corporation
 Takenaka Civil Engineering & Construction Co., Ltd.
 Tekken Corporation
 Toa Corporation
 Tobishima Corporation
 Toda Corporation
 Tokyu Construction Co., Ltd.
 Toyo Construction Co., Ltd.
 Wakachiku Construction Co., Ltd.
 The Zenitaka Corporation
Supporting Members
 Aktio Corporation
 Fujimi Koken Co., Ltd.
 Geostr Corporation
 Hitachi Zosen Corporation
 IHI Construction Materials Co., Ltd.
 ITOCHU Construction Machinery Co. Ltd.
 JFE Metal Production&Engineering Inc.
 JIM Technology Corporation
 Kajima Mechatro Engineering Co., Ltd.
 Kawasaki Hevy Industries, Ltd.
 Komatsu Ltd.
 Nippon Concrete Industries Co., Ltd.
 Nippon Steel & Smitomo Metal Corporation
 Seiwa Renewal Works Co., Ltd.
 SMC Preconcrete Co., Ltd.
 TAC Corporation
 Tachibana Material Co., Ltd.
 Taiheiyo Shield Mechanics
 Telnite Co., Ltd.
 Toyo Industry Co., Ltd.
 Tsuzuki Concrete Industrial Corporation