| 1946 |
The founder, Yoshimasa Yamanishi opens a stall outside Hiroshima Station. |
| 1950 |
Apparel wholesaler Yamanishi K.K. is established. |
| 1961 |
Izumi Co., Ltd., is established, and the first Izumi supermarket is opened in Hatchobori. |
| 1967 |
Izumi opens another supermarket across from Hiroshima Station. |
| 1973 |
The Izumi Gion store opens as the first suburban store with a large parking lot prior to Japan's motorization. |
| 1974 |
Nihon Ryutsu Sangyo Co., Ltd. (Nichiryu), a cooperative purchasing organization, is established by Izumi and seven other companies. |
| 1975 |
The Izumi Conference is established to deepen exchanges with business partners. |
| 1977 |
Izumi joins the Japan Chain Stores Association. |
| 1978 |
The Company's stock is listed on the Second Section of the Osaka Securities Exchange, and on the Hiroshima Securities Exchange. |
| 1980 |
Izumi changes the Japanese spelling of its company name ("Izumi" changes from hiragana to katakana). It also creates its first corporate logo. |
| 1985 |
The point-of-sale (POS) system is introduced. |
| 1986 |
The Company's stock is listed on the First Section of the Osaka Securities Exchange and on the Second Section of the Tokyo Stock Exchange. |
| 1987 |
The Company's stock is listed on the First Section of the Tokyo Stock Exchange. |
| 1990 |
youme Town Takahashi and Higashihiroshima open, marking the birth of a youme Town type shopping center that revitalizes the local community through collaborative relationships with local government and people. |
| 1993 |
Yasuaki Yamanishi is appointed President and Representative Director. Yoshimasa Yamanishi is appointed Chairperson and Representative Director. |
| 1995 |
youme Town Onga opens in Fukuoka Prefecture, marking the first store opening in Kyushu. |
| 1997 |
Izumi Museum of Art opens. |
| 1998 |
youme Town Takamatsu opens as our flagship youme Town store and one of the largest in all of Western Japan. |
| 2000 |
youme Town Yumesaito and youme Town Hakata open, marking Izumi's full-fledged expansion in Kyushu. |
| 2003 |
youme Town Kurume opens as a showcase for town building closely in tune with the local community. |
| 2006 |
youme Town Saga opens as Japan's first mall with a cross-mall format. |
| 2008 |
Izumi returns to its roots in Hiroshima to open youme Town Hiroshima. |
| 2011 |
The Company's 50th anniversary. youme Town Tokushima opens as Izumi's first next generation store for the next 100 years. |
| 2012 |
youme Mart Kokura Higashi opens as the first youme Mart location. |
| 2013 |
Izumi's new head office building is completed. youme Mall Shimonoseki opens as the first youme Mall location. |
| 2015 |
youme Town Hatsukaichi opens as a shopping center that aims to blend the town, environment and people together in harmony. |
| 2016 |
A large earthquake strikes Kumamoto and Izumi immediately thereafter provides assistance and helps with the reconstruction effort. |
| 2017 |
The new business platform LECTopens. A facility for spending time leisurely centered around the main themes of culture, food, and living.
The medium-term management plan is created.
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| 2018 |
Conclusion of business alliance with Seven & i Holdings Co., Ltd.
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