| February 1946 | The Central Fish Receivers’ Association was established. It was designated as the Tokyo Metropolitan Fisheries Collection Agency. |
|---|---|
| July 1947 | Chuo Gyorui Co., Ltd. was established. |
| April 1950 | Approval as a Tokyo Metropolitan seafood wholesaler under the Central Wholesale Market Law, granted by the Governor of Tokyo. |
| February 1951 | Trademark registration of the “㊥” mark. |
| February 1952 | Establishment of Chuo Koage Co., Ltd. |
| September 1956 | Approval as a seafood wholesaler granted by the Minister of Agriculture and Forestry. |
| September 1962 | Establishment of Chuo Reito Co., Ltd. |
| September 1964 | Listing of shares on the Second Section of the Tokyo Stock Exchange. |
| July 1971 | Became a seafood wholesaler approved by the Minister of Agriculture and Forestry. |
| November 1976 | Establishment of Kashiwa Uoichiba Co. Ltd. |
| November 2001 | Establishment of Chuo Foods Co., Ltd. |
| April 2008 | Chuo Reito Co., Ltd. merged with Hosui Corporation, forming the new Hosui Corporation as a consolidated subsidiary. Suisan Ryutsu Co., Ltd. became a consolidated subsidiary. |
| August 2008 | Suisan Ryutsu Co., Ltd. acquired Chuo Foods Co., Ltd. as a subsidiary. |
| August 2011 | Hosui Corporation, in collaboration with Dalian Zhangzidao Fishery Group, established “㊥ Dalian Zhangzidao Central Cold Storage Logistics Co., Ltd.” |
| January 2012 | Jointly invested with Daito Gyorui Co., Ltd. to establish Funabashi Uoichi Co., Ltd. |
| February 2012 | Invested in Tokyo Kitauo Co., Ltd., making it an equity-method affiliate. |
| April 2012 | The Senju branch of Chuo Gyorui Co. was abolished, and its business rights were transferred to ㊥ Tokyo Kita Fish Corporation. |
| April 2012 | Funabashi Chuo Gyorui Co., was dissolved, and its business rights were transferred to Funabashi Uoichi Co., Ltd. |
| April 2013 | In collaboration with Marusui Sapporo Chuousuisan Co.,Ltd. and Sendai-suisan. Co.,Ltd., “TSS Marine Co., Ltd. “ was established. |
| April 2013 | Hosui Corporation established “Sennichi Co., Ltd. “ and made it a subsidiary. |
| June 2013 | Hosui Corporation partially sold its shares in Keiko Suisan Co., Ltd. |
| October 2018 | The Toyosu Market opened. |
| 2019 | Acquired the Marine Eco-Label (MEL) certification. |
| March 2020 | Hosui Corporation transferred all its shares in ㊥Dalian Roebuck Island Central Cold Storage Logistics Co., terminating the joint venture agreement. |
| 2021 | Acquired FSSC 22000 certification. |
| 2022 | Hosui Corporation became a wholly-owned subsidiary. Chuo Koage Co., Ltd. changed its name to Marunaka Logistics Co., Ltd. |
| 2023 | Chiba Chuo Gyorui Co., Ltd. was dissolved. |
