JR Group East Japan Railway Company https://www.jreast.co.jp/e/ Hokkaido Railway Company https://www.jrhokkaido.co.jp/global Central Japan Railway Company https://global.jr-central.co.jp/en/ West Japan Railway Company https://www.westjr.co.jp/global/en/ Shikoku Railway Company http://www.jr-shikoku.co.jp/global/en/ Kyushu Railway Company http://www.jrkyushu.co.jp/english/index.html Japan Freight Railway Company https://www.jrfreight.co.jp/en Railway Technical Research Institute https://www.rtri.or.jp/eng/ Railway Information Systems Co., Ltd. https://www.jrs.co.jp/english/