Sudo Honke

Sudo Honke (須藤 本家, Sudō Honke) is a Japanese manufacturer of sake based in Obara, a settlement in the present borders of Kasama, and one of the original settlements of Ibaraki Prefecture. Founded in 1141 and run by the 55th generation of the Sudo family, it is the oldest sake brewery in Japan and one of the oldest companies in the world.

Although it was undamaged by the 2011 Tōhoku earthquake and tsunami, the brewery was threatened by the subsequent nuclear disaster at the Fukushima I Nuclear Power Plant, located approximately 130 km from the brewery. Subsequent tests confirmed no radiation had entered its hundreds of years old source wells.