Since the opening of its first restaurant in 1974 in Shukumachi, Nagasaki, Ringer Hut has steadily progressed. Today, Ringer Hut has grown into a national chain with 464 stores (as of the end of February 2011) in the Kyushu and Chugoku regions as well as the Kansai and Kanto regions, and is widely known as "the Nagasaki chanpon specialty restaurant with the red tonkari roof".

A tonkatsu specialty restaurant established in 1962 that operates mainly in Kyushu. Automatic translation in English, Chinese (simplified and traditional), and Korean has been introduced.

Miwa Yamamoto was founded by Sobei Yamamoto I in 1717. Since then, the company has inherited a 1300 year old handmade technique of hand-pulling and has established strict inspection standards for the production process and product quality.