Member List

Supporting Members * As of  Jan 6, 2026.  In alphabetical order

 Addleshaw Goddard LLP   Atsumi & Sakai
 Azbil Corporation  Baker McKenzie
 Bauer Spezialtiefbau GmbH  BREXA Engineering
 Central Consultant Inc.  Central Nippon Expressway Company Limited
 CHODAI CO., LTD.  Clifford Chance
 CTI Engineering International Co., Ltd.  East Japan Construction Surety Co., Ltd.
 EIKEN CO.,LTD  FTI Consulting(Asia)Limited
 Fuji Bolt Manufacturing Co., Ltd  GIKEN LTD.
 Herbert Smith Freehills Kramer GJBJ
 HKA Global
 Hokkaido Construction Surety Co., Ltd.
 Jyeitekku
 kanamoto co., ltd. 
 Katahira & Engineering Inc.
 KOATSU KOGYO CORPORATION
 MAX CO.,LTD.
 Mayer Brown GJBJ  METAWATER Co., Ltd.
 NIKKEN LEASE KOGYO CO., LTD.  Nippon Civic Consulting Engineers Co,,Ltd.
 Nippon Kanzai Center Co., Ltd.  Nippon Koei Co., Ltd.
 Nishida Tekko Corporation
 Nonagase Co.,Ltd.
 OCEAN WORKS ASIA INC.
 OKAYA & CO., LTD.
 Oriental Consultants Global Co., Ltd.
 Pinsent Masons LLP
 PwC Consulting LLC
 Rimkus
 SAKAI HEAVY INDUSTRIES, LTD.
 Shanghai Geoharbour Construction Group Co.,Ltd
 Shoueiengineering co.ltd
 SunFlare Co., Ltd.
 Systech International,LTD
 TAIYO KOGYO CORPORATION
 Takaoka Engineering Co.,Ltd.
 TAT HONG HOLDINGS LTD.
 Tokyo International Law Office
 Trust Engineering Partners Co.,Ltd.
 TSUKURU-ROMAN Co., Ltd.  Vinson & Elkins LLP
 West Japan Construction Surety Co., Ltd.  White & Case LLP
 Yachiyo Engineering Co., Ltd.   YSL Solution Ltd
 Yurtec Corporation