Shareholders(As of June 2021)

Japanese Government: 153.9 billion yen
Japanese Companies: 5.9 billion yen

Service Center of Port Engineering (SCOPE)

Japan Conference on Overseas Development of Eco-Cities (J-CODE)

The Overseas Construction Association of Japan, Inc. (OCAJI)

Japan Railway Technical Service (JARTS)

Infrastructure Development Institute-Japan (IDI)

The All Japan Airport Terminals Association, Inc.

Japan Dredging and Reclamation Engineering Association

Japan Bridge Association (JBA)

The Japan Harbor Transportation Association (JHTA)

The Japanese Shipowners' Association

The Shipbuilders' Association of Japan (SAJ)

Japan Road Contractors Association (JRCA)

Japan Federation of Freight Industries

The Association of Japanese Private Railways

Japan Prestressed Concrete Contractors Association

Japan Expressway International Co., Ltd. (JEXWAY)

Sumitomo Mitsui Trust Bank, Limited. (account in trust)