- Japan Capacitor Industrial Co., Ltd. (JCC)
- http://www.jcc-foil.co.jp/
- Kawatake Electronics Co., Ltd.
- http://www.kawatake.co.jp/
- Yokohama Customs Office
- http://www.customs.go.jp/yokohama/
- East Japan Packing Association
- http://www.epa.ne.jp/
- Japan Port Transport Industry Safety & Health Association
- http://www.kouwansaibou.or.jp/
- The Japan Port & Harbour Association
- http://www.phaj.or.jp/