Izumiya[]
1590–1927[]
LOGO MISSING |
Sumitomo Besshi Mining Company[]
1927–1937[]
LOGO MISSING |
Sumitomo Coal Mine Company[]
????–1937[]
LOGO MISSING |
Sumitomo Mining Company[]
1937–1946[]
LOGO MISSING |
In 1937, the Sumitomo Besshi Mining Company and the Sumitomo Coal Mine Company merged to form the Sumitomo Mining Company.
Ika Mining Company[]
1946–1950[]
LOGO MISSING |
Sumitomo Metal Mining[]
1950–2019[]
2019–present[]
Auto Mazda | Sumitomo Electric Bordnetze Chemicals and pharmaceuticals Construction Electrical Equipment Finance and insurance Food Information and communications Machinery Non-ferrous metals Real estate Rubber, glass, and ceramics Steel Trading Transport and warehousing
1 Members of Hakusuikai (Association of presidents from the Sumitomo Group companies) |