History
| 1953 | Founder: Toshio Harada founds Denki Shoji in Wakamatsu-cho (present-day Nishitemma) in the Kita Ward of Osaka with two million yen in capital The company gets its start specializing in the export of special high-voltage insulators, electrical materials, electrical appliances, and other equipment to Southeast Asian countries |
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| 1976 | Electro Marketing Corporation established in Manila, Philippines |
| 1978 | Denki (Singapore) Pte. Ltd. established in Singapore |
| 1989 | New company building completed |
| 1993 | Liaison office established in Karachi, Pakistan |
| 1995 | Awarded as an outstanding reporting corporation by the Kita Tax Office in Osaka |
| 2004 | Pt. Denki Indonesia established in Jakarta, Indonesia |
| 2007 | Denki Shoji (Thailand) Co., Ltd. established in Bangkok, Thailand |
| 2013 | Sixtieth anniversary |
| 2018 | Business operations continue following an incorporation-type company split on October 1 |
| 2019 | Osaka Headquarters relocated to 5-9-3 Nishi-Temma, Kita-ku, Osaka on October 21 |
| 2020 | DENKI TAIWAN CO., LTD. established in Taipei, Taiwan on April 1 |
| 2023 | Shareholder changed to YES TRUST CO., LTD. on July 1 DENKI SHOJI PHILIPPINES INC. established in Manila, Philippines on September 1 |
