was a company engaged in coal mining, railway operation and shipping in Hokkaidà Â, Japan.
The company was established in 1889 when the state-owned and Horonai Railway were sold to the company. The company developed coal mines and transported coal to consumers by its own railways and a fleet of steamships.
The railway of the company was nationalized on October 1, 1906 under the Railway Nationalization Act. At this time the company was renamed , which continued mining until 1995 and is in business of coal importing from Russia as of 2014.
As of September 30, 1906
The MuroranâÂÂIwamizawa section and the IwamizawaâÂÂOtaru section are part of the Muroran Main Line and the Hakodate Main Line respectively today. The remaining OtaruâÂÂTemiya section became the Temiya Line, which was closed in 1985.
The IwamizawaâÂÂSunagawa section is the part of the Hakodate Main Line today. The remaining part became the Utashinai Line, which was closed in 1988.
This section later became a part of the Horonai Line, which was closed in 1987.
This section later became a part of the Horonai Line, which was closed in 1987.
The section from Oiwake to Shin-Yubari (Momijiyama) is a part of the Sekishà  Line (Main section) today while the remainder became the Yubari Branch Line which closed in 2019.
The company leased this section to Japanese Government Railways. This section is a part of the Hakodate Main Line today.
As the Railway Nationalization Act was promulgated, on October 1, 1906, the company's railway (207 miles 51 chains), rolling stock (1,940), steamship (1), personnel (3,673) and other goods and contracts were transferred to the government of Japan, in exchange of 30,997,100 yen worth of government bond.