C O M P A N Y
Established in the former Osaka Shosen Building in front of the Yaesu exit of Tokyo as a lighting power equipment and power transmission and distribution contractor “Yamaka Shokai”.
Changed the trade name to “Yamaka Electric Co., Ltd.”
Established Sendai branch office (currently Tohoku power transmission business headquarters)
Japan’s first 275,000 volt transmission line construction begins Hokuriku trunk line construction
Established Nagoya Sales Office (currently Chubu Transmission Division)
Established Osaka Sales Office (currently Solution Division (Kansai))
Received an order for construction of a transmission line between Danimu Saigon in the Republic of South Vietnam at that time, and became the first Japanese electrical contractor to expand overseas.
Received an order for TEPCO’s Boso line construction, which attracted attention as Japan’s first 500,000 volt transmission line
Received an order for new transmission line construction work for the Mekong River development project in Laos, wiring in Vientiane city, and new construction / expansion / repair of each substation.
Received an order from Iran for construction of a transmission line with 12 lines and a total length of 900 km.
Received an order for optical fiber construction from a domestic electric power company and promoted technological development for the communication information industry.
Received an order for Japan’s first 1 million volt transmission line construction work (Gunma Yamanashi trunk line)
Continued to receive orders for 1 million volt transmission line construction work (Minami-Iwaki trunk line)
Listed on the Japan Securities Dealers Association (currently the JASDAQ market of the Tokyo Stock Exchange) and increased the capital to 742.55 million yen.
Established Development Division (currently Electric Power Infrastructure Division)
Increased capital to 823.06 million yen
Increased capital to 989.66 million yen
Established Ishinomaki Sales Office in Ishinomaki City, Miyagi Prefecture
Dispatched supervisor to Dar es Salaam, Republic of Tanzania to build transmission lines
Established a new equipment center in Zao Town, Miyagi Prefecture
Made Tokyo Management Co., Ltd., which operates a building management business, a wholly owned subsidiary
Headquarters moved to Toshima-ku, Tokyo
Developed “Enark 160”, a tower raising device
Concluded a supervisor contract for trunk transmission line construction in Myanmar and implemented construction
Received an order for 30 MW large-scale solar construction work from LG CNS Japan Co., Ltd. (Fukushima Prefecture)
Received an order from Canadian Solar Project Co., Ltd. for the construction of the Saitama Minano Power Plant, which is a high-difficulty work to be carried out on a steep slope of up to 45 degrees.
Obtained a patent right for the tower raising device “Enark 160”
Moved Sendai Transmission Business Department (currently Tohoku Transmission Business Headquarters) to the center of Aoba Ward, Sendai City, Miyagi Prefecture.
Changed the trade name to “ETS Holdings, Inc.”
Concluded a partner contract with the Independence Support Organization for Persons with Disabilities
Concluded a business alliance agreement with Navik
Completed construction of an extra-high voltage substation that receives 154,000 volts at a 55MW solar power plant (Gifu Prefecture)
Moved Kansai Sales Office to Higashikoraibashi, Chuo-ku, Osaka
Moved Chubu Transmission Division to Shimizu, Kita-ku, Nagoya City, Aichi Prefecture
Completed construction of an extra-high voltage substation that receives 154,000 volts at a 62MW solar power plant (Aichi Prefecture)
Venture company from Kyoto University that deals with ecosystem surveys
Business tie-up with Sunlit Seed Rings Co., Ltd. (Kyoto)
Acquired a solar power plant (Ukiha City, Fukuoka Prefecture)
Made Iwai Kogyo Co., Ltd. a wholly owned subsidiary
Made Yuuki Sangyo Co., Ltd. a wholly owned subsidiary
100th anniversary of founding