| Oct 1989 | Shinko MMD Co., Ltd. founded. Began telecom construction and equipment maintenance at the Shinjuku office. |
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| Jun 1992 | Began ATM installation work for a major city bank. |
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| Apr 1995 | Opened Kanda branch office. Began kitting services. |
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| Mar 1996 | Began large-scale network construction for a major city bank. |
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| Jan 2000 | Relocated head office to Nihombashi-Kayabacho, Chuo-ku (Shinko Building). |
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| Jan 2001 | Began server kitting for major city bank branches. |
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| Sep 2003 | Began maintenance and management services for a major city bank. |
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| May 2004 | Changed company name to Zendenkyo Co., Ltd. |
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| Dec 2005 | Spun off the IT division from Zendenkyo Co., Ltd. and re-established Shinko MMD Co., Ltd. |
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| Jan 2006 | Obtained Telecommunications Construction Business License. |
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| Feb 2006 | Registered as a Specified Worker Dispatching Business. |
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| Oct 2006 | Obtained Electrical Construction Business License. |
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| Jan 2015 | Obtained General Worker Dispatching Business License. |
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| Jun 2016 | Relocated head office to Nihombashi-Kayabacho, Chuo-ku (Kayabacho MY Building). |
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| Feb 2025 | Began nationwide deployment of information terminals for a major city bank. |
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