History
| 1953 | "NAGATANIEN - HONPO Co., Ltd." was established. "Ochazuke Nori"(Seasoning for rice soup) was first launched. |
|---|---|
| 1960 | Rokugo factory was opened at Tokyo. |
| 1972 | Head office moved to Shimbashi (Current address). |
| 1975 | Takahagi factory (Present Ibaragi factory) was opened. "Sun-Flex Nagatanien Co., Ltd." was established. |
| 1982 | Okayama factory was opened. |
| 1983 | Listed in the first section of the Tokyo Stock Exchange. |
| 1986 | "Uninet Co., Ltd." was established. |
| 1987 | "Octos Co., Ltd ." was established. |
| 1988 | "Nishiei Co., Ltd." was established. |
| 1992 | Company name was changed to "NAGATANIEN Co., Ltd.". |
| 1999 | "Alpha-Wave Co., Ltd." and "Hanagasa Foods Co., Ltd." was established. |
| 2000 | Ibaraki factory and Okayama factory received ISO9002 certification. |
| 2003 | "Nagatanien Co., Ltd." received ISO9001 certification. |
| 2005 | Overseas Division was established. "Shanghai Nagatanien Foods Trade Co., Ltd." was established in the People's Republic of China. |
| 2008 | Consolidated "Fujiwara Seimen Co., Ltd" as an affiliated company. Consolidated "Fujinohana Co., Ltd" as an affiliated company. |
| 2009 | "Sunny Foods Co., Ltd" was established. |