OCDI

▸ Ministry of Land, Infrastructure and Transport (MLIT)
▸ Regional Development Bureau
  › Tohoku
  › Kanto
  › Hokuriku
  › Chubu
  › Kinki
  › Chugoku
  › Shikoku
  › Kyushu
  › Hokkaido
▸ Okinawa General Bureau
▸ National Institute for Land and Infrastructure Management
▸ Port and Airport Research Institute

▸ The Japan Port & Harbour Association
▸ International Association of Ports and Harbors(IAPH)
▸ Coastal Development Institute of Technology(CDIT)
▸ Waterfront Vitalization and Environment Research Center(WAVE)
▸ Service Center of Port Engineering(SCOPE)
▸ Japan Overseas Ports Cooperation Association(JOPCA)
PIANC-Japan

▸ Japan International Cooperation Agency(JICA)
▸ Japan Bank for International Cooperation(JBIC)