沿革 History
| 1956 May | EIDENSHA was founded at Torimachi, Kurume City. |
| 1958 July | Incorporated as EIDENSHA CO.,LTD. A head office factory installed in Kokubumachi, Kurume City |
| 1960 June | The Tokyo office installed in Ginza, Chuo-ku, Tokyo. |
| 1967 August | The Hikone office installed. |
| 1969 April | An instrumentation section span off to be established as Daiei Keiso Co., Ltd. |
| 1970 June | The Tokyo office promoted to a branch in promotion and relocated to Higashi Murayama City, Tokyo. |
| 1970 October | The Nasu office installed. |
| 1971 October | The Shimonoseki office installed. |
| 1972 May | Our cubicle type high-pressure electric devices was officially recommended by Japan Electric Association |
| 1973 November | The Fuji factory was built in Fuji-cho, Saga City. |
| 1975 August | Licenses of electric work business and machinery-and-appliance installation construction business was permitted by the Minister of Construction permission No. 9057. |
| 1979 June | The Yokohama office installed. |
| 1980 October | Headoffice factory was relocated in Minamitsuru,Tsubukuhonmachi, Kurume (in Nishida Industrial Complex). |
| 1982 June | The Hikone office became independent and established as Chubu EIDENSHA Co., Ltd. |
| 1984 July | The Hofu office is installed. |
| 1994 January | The Nasu office became independent and established as Nasu EIDENSHA Co., Ltd. |
| 1994 January | As a base of the Southeast Asia advance, EIDENSHA (THAILAND) was established in Thailand. |
| 2001 March | A head office section acquired ISO 9001 certification in March. |
| 2001 July | A joint venture was founded in Tianjin, China. |
| 2003 September | An affiliate company was founded to Wuxi, China. |
| 2005 July | An affiliate company was founded to Huizhou, China. |
| 2010 July | An affiliate company was founded to Shenyang, China. |
| 2013 January | EIDENSHA VIETNAM was established in Haiphong, Vietnam. |
| 2014 June | Nasu and Hikone, office is established by merging of EIDENSHA Ltd., Nasu EIDENSHA Ltd., and Chubu EIDENSHA Ltd. . |
