May 1947First Industry Co.,Ltd. (predecessor of DEODEO Corporation
April 1955Eidensha Co., Ltd. (predecessor of EIDEN Co., Ltd.) established
August 1961Established Midori Denkasha Co., Ltd. (predecessor of MIDORI DENKA Co.,Ltd.)

　　　　

　　　　 　

　　　　

　　　　

　　　　

　　　　　

March 2002DEODEO Corporation and EIDEN Co., Ltd. established a holding company EDION Corporation by way of a stock transfer
October 2002EIDEN Co., Ltd. merges with CompMart Co., Ltd.
September 2003Head office function moved to Nagoya
April 2005MIDORI DENKA Co.,Ltd. subsidiary through a share exchange
July 2006EIDEN Co., Ltd. merges with Disk Station Co., Ltd.
July 2006Acquired 33.4% stake in Ishimaru Denki Co., Ltd.
February 2007Headquarters function relocated to Osaka
February 2007EIDEN Co., Ltd. makes Mitsuishi Denka Center Co., Ltd. a subsidiary
March 2007Acquired additional shares of Ishimaru Denki Co., Ltd., Ltd. and made it a subsidiary (40.0% in total)
April 2007DEODEO Corporation merges with DEODEO Shoji Co., Ltd.
June 2007「100満ボルト」を展開する（株）サンキューの株式40%を取得し子会社化
October 2007Established TOKYO EDION Co.,Ltd. wholly owned subsidiary
December 2007MIDORI DENKA Co.,Ltd. merged with Midori Co., Ltd.
April 2008MIDORI DENKA Co.,Ltd. merged with Midori Service Co., Ltd.
October 2008Additional acquisition of Ishimaru Denki Co., Ltd., making it a wholly owned subsidiary
February 2009EIDEN Co., Ltd. merged with TOKYO EDION Co.,Ltd., Ishimaru Denki Co., Ltd., Mitsuishi Denka Center Co., Ltd., etc.
April 2009EIDEN Co., Ltd. absorbed Home EXPO Co., Ltd.
October 2009DEODEO Corporation and MIDORI DENKA Co.,Ltd. merged and changed the company name to EDION WEST Corporation
October 2009Changed the company name from EIDEN Co., Ltd. to EDION EAST Corporation
April 2010EDION Corporation acquires all shares of NWORK Corporation makes it a subsidiary
October 2010EDION Corporation merges EDION EAST Corporation EDION WEST Corporation
October 2010EDION Corporation Communications and COMNET Co., Ltd. became subsidiaries following the merger of EDION EAST Corporation
April, 2011EDION Corporation merges with COMNET Co., Ltd.
October 2011Acquired additional shares of SANKYU Co., Ltd. Ltd. and made it a wholly owned subsidiary
April 2012Changed the company name from SANKYU House System Co., Ltd. to EDION HOUSE SYSTEM Corporation
April 2012Established eR E.R.JAPAN Corporation, a subsidiary engaged in reuse and recycling business, through joint investment
October 2012"Ishimaru", " EIDEN ", "Midori" and " DEODEO " changed to " EDION ", a nationwide unified store brand
August 2013LIXIL Group Corporation and a established a capital and business tie up and the increased capital through third-party allocation of new shares
October 2014Sold home improvement business
February 2015Received the Ministry of Economy, Trade and Industry's " advanced reform company commendation " for the first time in the home appliance retail industry
April 2015First “T-point service” started at electronics retailers
September 2015Started real estate brokerage business “EDION HOUSING”
March 2017Made eR Japan Co., Ltd. a wholly owned subsidiary
August 2017Forest Co.,Ltd., a mail-order business, a subsidiary
March 2018Established e-Logi Corporation, a logistics service business, through joint investment
October 2018EDION Corporation merges with EDION Corporation Communications
September 2019Made e-Logistics a wholly owned subsidiary
November 2019Jtop Co.,Ltd. subsidiary
December 2019Youmemiru Inc., Ltd. a subsidiary
February 2021Made PTN Co., Ltd. a subsidiary
April 2022Termination of capital alliance with LIXIL Corporation and agreement to continue business alliance
April 2022Concluded a established a capital and business tie up agreement with Nitori Holdings Co., Ltd.
October 2022NWORK Corporation merged with Hampstead Co., Ltd. and changed its name to EDION X Ventures Corporation
2023年09月（株）サンフレッチェ広島を子会社化
2023年10月（株）ジェイトップが（株）e-ロジを吸収合併
2024年03月（株）麻布を子会社化
2024年08月室山運輸（株）を子会社化
2025年02月ジャパンネスクトリテイリング（株）を子会社化
2025年04月(株)エディオンが（株）サンキューを吸収合併し「100満ボルト」を「エディオン」に変更