Công ty Đường sắt Chở khách
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JR Hokkaido
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JR East
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JR Central
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JR West
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JR Shikoku
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JR Kyushu
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Công ty JR Bus
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JR Hokkaido Bus
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JR Bus Tohoku JR Bus Kanto (ja) JR Bustech (ja)
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JR Tokai Bus
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West JR Bus (ja) West Japan JR Bus Service (ja) Chugoku JR Bus (ja) Hikari Guru Rin Bus (ja)
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JR Shikoku Bus (ja)
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JR Kyushu Bus (ja)
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Thẻ thông minh
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Kitaca
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Suica Mobile Suica
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TOICA EX-IC
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ICOCA
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ICOCA (SHIKOKU ICOCA)
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SUGOCA
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Các tuyến Shinkansen
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Hokkaido Shinkansen
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Tōhoku Shinkansen Jōetsu Shinkansen Hokuriku Shinkansen
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Tokaido Shinkansen Chūō Shinkansen
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San'yō Shinkansen Hokuriku Shinkansen
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Shikoku Shinkansen (ja)(proposed)
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Kyushu Shinkansen Nishi Kyushu Shinkansen
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Bảo tàng Đường sắt
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Hokkaido Railway Technology Museum (ja)
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Railway Museum Ome Railway Park
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SCMaglev and Railway Park
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Kyoto Railway Museum Tsuyama Railroad Educational Museum
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Shikoku Railway Cultural Center (ja)
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Kyushu Railway History Museum
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Nhà sản xuất đầu máy toa xe
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-
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Japan Transport Engineering Company (J-TREC)
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Nippon Sharyo
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Kinki Sharyo (partner)
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-
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-
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Hoạt động quốc tế
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-
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West Midlands Trains (14.95%)
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-
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-
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-
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-
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Các tổ chức khác
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JR Freight
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Railway Technical Research Institute (RTRI)
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Railway Information Systems (JR Systems) (ja)
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Railway Telecommunication ↓ Softbank
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Japan Railway Construction, Transport and Technology Agency (JRTT)
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