Establishment to 1990s
| July 1983 | Established Yukiguni Maitake Co., Ltd. Ikasawa factory (Minamiuonuma, Niigata) is newly established. Begins maitake production and sales |
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| June 1986 | Head office relocates to a new building at 89 Yokawa, Minamiuonuma, Niigata |
| October 1986 | Bio Center 1 is newly established in Mizuoshinden, Minamiuonuma. Begins maitake production |
| October 1988 | Yukiguni Shoji Co., Ltd. is established. Begins purchasing heavy oil and other materials for use in each center and selling gasoline to general consumers |
| September 1989 | Bio Center 2 is newly established in Urasa, Minamiuonuma. Begins maitake production |
| August 1991 | Imamachi Kosan Limited is established. Begins manufacturing auxiliary materials for culture media (The trade name is renamed to Imamachi Kosan Co., Ltd. on October 5, 2015) |
| August 1992 | The head office package center is newly established at the head office |
| March 1994 | Listed on the Regional Industry Development Department of the Niigata Stock Exchange |
| September 1994 | Bio Center 3 is newly established in Niiborishinden, Minamiuonuma. Begins maitake production |
| September 1995 | Gosen Bio Center is newly established in Nakagawashin, Gosen, Niigata. Begins maitake production |
| May 1996 | Begins sales of in-house produced boiled maitake products |
| April 1997 | Begins production and sales of health product MD-Fraction, which contains condensed maitake extract |
| March 1998 | Totaku Co., Ltd., becomes a subsidiary through stock acquisition. Yukiguni Maitake expands its business into the production and sales of processed food |
2000s to present
| March 2000 | As the Niigata Stock Exchange is merged into the Tokyo Stock Exchange, Yukiguni Maitake is listed on the Second Section of the Tokyo Stock Exchange |
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| May 2002 | Bio Center 4 is newly established in Tsukuno, Minamiuonuma. Begins production of eringi |
| June 2004 | Bio Center 5 is newly established in Yamazakishinden, Minamiuonuma. Begins production of buna-shimeji |
| January 2011 | Shiga Package Center is newly established in Ryuo, Gamo, Shiga. Begins production of cut vegetables |
| June 2015 | Yukiguni Maitake stocks are delisted from the Second Section of the Tokyo Stock Exchange |
| April 2018 | Yukiguni Maitake absorbs Yukiguni Shoji Co., Ltd., and Imamachi Kosan Co., Ltd. |
| September 2018 | Maitake packaging factory is newly established in the Shiga Package Center. Begins packaging of maitake |
| January 2019 | Yukiguni Maitake absorbs Totaku Co., Ltd. |
| March 2019 | Yukiguni Maitake acquires all shares of Mizuho Norin Co., Ltd. (production and sales of hon-shimeji and hatake-shimeji) and Kinoko Center Kin Co., Ltd. (production and sales of buna-shimeji), owned by Takara Bio Inc., making them subsidiaries |
| October 2019 | Yukiguni Maitake acquires all shares of Mitsukura Norin Limited (production and sales of button mushroom) and makes it a subsidiary (The trade name is renamed to Mitsukura Norin Co., Ltd. on March 2, 2020) |
| September 2020 | Yukiguni Maitake is listed on the First Section of the Tokyo Stock Exchange |
| March 2022 | Kinoko Center Kin Co., Ltd., is dissolved |
| April 2022 | Transitions to the Prime Market due to reorganization of the Tokyo Stock Exchange market |
| June 2022 | Establishes Tokyo head office. A dual-headquarters system with head offices in Niigata and Tokyo is introduced |
| June 2022 | Shifts from company with a Board of Corporate Auditors to a company with an Audit and Supervisory Committee |
| April 2023 | Yukiguni Maitake absorbs Mitsukura Norin Co., Ltd. |
| December 2023 | Acquired shares of Netherlands-based mushroom business companies and made them subsidiaries. |