| 1882 | Kimura Tokubei Shoten is opened in Kabutocho, Nihonbashi, Tokyo. |
| 1950 | Kimura Tokubei Shoten is established as stock company in Otaki-cho, Yokosuka, Kanagawa. Head office (main store) is subsequently relocated to Chuo-ku, Tokyo. |
| 1951 | Company is authorized as wholesale rice merchant and launches rice sales. |
| 1964 | Company name is changed to Kitoku Co., Ltd. |
| 1969 | Large-scale rice milling factory is built in Kamome-cho, Naka-ku, Yokohama. |
| 1991 | Angimex Kitoku Joint Venture Co. (now Angimex Kitoku Limited Company) is formed and launches business in Vietnam. |
| 1994 | Large-scale rice milling factory is built in Okegawa, Saitama. |
| 1995 | Rice importing business is launched under SBS (simultaneous-buy-sell contract) system. |
| 1996 | Kitoku America Inc. is established and launches operations in U.S. |
| 1998 | Kitoku begins importation of government-controlled rice in accordance with Minimum Access (MA) provisions. |
| 2000 | Kitoku merges with Shinryo Bussan Co. to form Kitoku Shinryo Co., Ltd. |
| 2001 | Shares are listed on JASDAQ (now JASDAQ Securities Exchange). |
| 2002 | Kitoku Shinryo acquires stake in Bizen Shokuryo Co. of Setouchi, Okayama, and begins operations in Chugoku region. |
| 2002 | Rice flour business is launched. Construction of factory in Sasakami, Niigata, is completed. |
| 2006 | Administrative headquarters are relocated to Nishi-Mizue, Edogawa-ku, Tokyo. |
| 2008 | Kitoku Thailand is established and launches operations in Thailand. Kitoku Shinryo begins importation of government-controlled (Thai) rice according to Minimum Access (MA) provisions. |
| 2008 | Name of Vietnam joint venture company is changed to Angimex Kitoku Limited Company. Rice milling factory is renovated. |
| 2011 | Kitoku(Dalian) Trading Co., Ltd. is established and launches operations in China. |
| 2015 | Taiwan Kitoku Co., Ltd. is established and launches operations in Taiwan. |
| 2016 | Administrative headquarters are relocated to Kanda-Ogawamachi, Chiyoda-ku, Tokyo. |