About us

Company Profile

Corporate information

Company name MI-NE SEISAKU-SHO CO., LTD.
Head office 6F, Kanda-Kajicho Chitose Bldg.
3-3-12 Kanda-Kajicho, Chiyoda-ku, Tokyo 101-0045
Tel+81-3-3256-5551 (main)
JR057-3849
Fax+81-3-3256-5659
Foundation April 1,1925
Capital \100,000,000
Representative Chairman Hidetaka Mine
President Toshiaki Mine
Number of employees 284 (as of January 2024)
Business content
ProductsDesign, manufacture and sales of railway turnouts, track equipment, railway signal products Sales of materials and equipment of Goldsummit (aluminothermic) welding
Rail weldingRail welding (Goldsummit welding, gas pressure welding, enclosed arc welding, and semi-automatic enclosed arc welding)
MaintenanceMaintenance of the railway signaling equipment in steel plants, and construction works
WelfareSales of welfare products such as wheelchair, etc.

ISO

ISO9001

MAP

  • [Tokyo Metro Ginza Line] Diagonal from Exit 5 at Kanda Station
  • [JR Yamanote Line] Two minute-walk from North Exit at Kanda Station

Main clients

Hokkaido Railway Company East Japan Railway Company Central Japan Railway Company
West Japan Railway Company Shikoku Railway Company Kyushu Railway Company
Japan Freight Railway Company Railway Technical Research Institute Japan Railway Construction, Transport and Technology Agency
Seibu Railway Co., Ltd. Tokyo Metro Co., Ltd. Odakyu Electric Railway Co., Ltd.
Keikyu Corporation Tokyu Railways Tobu Railway Co., Ltd.
Keio Corporation Keisei Electric Railway Co., Ltd. Sagami Railway Co., Ltd.
Nagoya Railroad Co., Ltd. Kintetsu Railway Co., Ltd. Keihan Electric Railway Co., Ltd.
Nankai Electric Railway Co., Ltd. Hanshin Electric Railway Co., Ltd. Hankyu Corporation
Osaka Metro Co., Ltd. Nishi-Nippon Railroad Co., Ltd. Transportation Bureau City of Sendai
Bureau of Transportation Tokyo Metropolitan Government Transportation Bureau, City of Yokohama Transportation Bureau, City of Nagoya
Kyoto Municipal Transportation Bureau Kobe City Transportation Bureau Fukuoka City Transportation Bureau
Kumamoto City Transportation Bureau Nippon Signal Co., Ltd. Kyosan Electric Mfg. Co., Ltd.
Nippon Steel Corporation Kobe Steel, Ltd. JFE Steel Corporation
Hokkaido Kido Shisetsu Kogyo Daiichi Kensetsu Corporation Senken Co., Ltd.
Totetsu Kogyo Co., Ltd. Union Construction Co., Ltd. Futaba Railways Industries Co., Ltd.
Meiko Construction Co., Ltd. CN Construction Co., Ltd. Daitetsu Kogyo Co., Ltd.
Kosei Kensetsu Co., Ltd. Kyutetsu Corporation Sankikensetsu, Inc.
Odakyu Engineering Keikyu Kensetsu co.,Ltd. Tokyu Kidoh Kogyo Co., Ltd.
Tobu Yachida Construction Co., Ltd. NB Construction Co., Ltd. Kintetsu Track Engineering Co., Ltd.
Nankai Tatsumura Construction Co., Ltd. Nishitetsu Engineering Tekken Corporation
Nippon Steel Texeng Co., Ltd. Kobelco Logistics, Ltd. JFE Technos Co., Ltd.
and more