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Our History

  • Apr. 1964
    Nippon Air Conditioning Services Co., Ltd. is established (business activities: air conditioning, electrical equipment maintenance, air-conditioning design and construction, refrigeration equipment manufacture, sales, and repair, electrical machinery sales and repair)
  • Oct. 1967
    Osaka service office is established (currently Osaka office)
  • Aug. 1969
    Our company policy is established
Apr. 1964 The company is established in Higashijukucho, Nakamura-ku, Nagoya-shi Aichi
  • Apr. 1970
    Nagoya service office is established (currently Nagoya office)
  • Aug. 1970
    Company logo is chosen
  • Oct. 1971
    Tokyo service office is established (currently Tokyo office)
  • Feb. 1974
    Fukuoka service office is established (currently Kyushu office)
  • Apr. 1975
    Yokohama service office is established (currently Yokohama office)
  • Aug. 1976
    Tsukuba Science City service office is established (currently Tsukuba office)
Aug. 1969 Our company policy is established
  • Sep. 1982
    Hiroshima service office is established (currently Chugoku office)
  • Dec. 1983
    Sapporo service office is established (currently Hokkaido office)
  • Jun. 1985
    Start of TECS (Total Environmental Consulting System) service
  • Jun. 1987
    Added the following business activities:
    Cleanroom design, construction, maintenance, and management Soundproofing, radiation, and electromagnetic wave shield design, construction, maintenance, and management
Aug. 1970 Logo chosen through a public process
  • Dec.1993
    Developed the new "Dose Collector" method of radiation measurement
  • Nov. 1996
    Listed with the Japan Securities Dealers Association as an over-the-counter stock
  • Jan. 1999
    Suzhou Nikku Suntec Electromechanical Technology Co., Ltd. is established in Suzhou, China (currently an overseas consolidated subsidiary)
  • Apr. 1999
    Nikku Business Services Co., Ltd. is established (currently a consolidated subsidiary)
Jun. 1985 Start of the new TECS service
  • Feb. 2002
    Nikku Tsukuba Co., Ltd. is established
  • Sep. 2002
    Nippon Air Conditioning Systems Co., Ltd., Nippon Air Conditioning Gifu Co., Ltd., Nippon Air Conditioning Hokuriku Co., Ltd. and Nippon Air Conditioning Tokai Co., Ltd. are all acquired as subsidiaries (currently consolidated subsidiaries)
    Nippon Air Conditioning Mie Co., Ltd. and Nishi Nippon Air Conditioning Management Co., Ltd. are acquired as a subsidiary
  • Jan. 2003
    Higashi Nippon Air Conditioning Management Co., Ltd. is acquired as a subsidiary
  • Feb. 2003
    Nippon Air Conditioning Tohoku Co., Ltd. is acquired as a subsidiary (currently a consolidated subsidiary)
  • Aug. 2003
    Yokohama Nikku Co., Ltd. is established
  • Aug. 2003
    A single unit of trading stock is changed from 1000 to 100 shares.
  • Dec. 2004
    Shares are listed on the JASDAQ Securities Exchange
  • Jun. 2005
    Added the following business activities:
    Temporary staffing business, building as auxiliary equipment maintenance, management consulting business Sep. 2006
  • Sep. 2006
    Shares are listed on the second section of the Tokyo and Nagoya Stock Exchanges (along with delisting from the above mentioned JASDAQ Securities Exchange in October, 2006)
  • Jun. 2007
    Added the following business activities:
    Improving the energy efficiency of systems such as air conditioning, water supply and drainage, and electrical equipment. Design, construction, operation, and monitoring of environmental impact reduction systems, as well as consultation in that area.
  • Oct. 2007
    Stock designated to the first section of the Tokyo and Nagoya Stock Exchanges
  • Apr. 2008
    Kanto service office is established (currently Kanto office)
Dec. 1993 Development of the "Dose Collector"
Jan. 1999 Suzhou Nikku Suntec Electromechanical Technology is established in Suzhou, China (currently an overseas consolidated subsidiary)
Aug. 2003 A single unit of trading stocks is changed from 1000 (top) to 100 (bottom) shares.
  • Sep. 2010
    Nikku Tsukuba Co., Ltd. changes its name to E-tec Japan, Co., Ltd.(currently a consolidated subsidiary)
  • Oct. 2011
    Shanghai Nikku Suntec International Trading Co., Ltd. is established in Shanghai, China (currently an overseas consolidated subsidiary)
  • Dec. 2012
    E-TEC Japan Co., Ltd. merges with Yokohama Nikku Co., Ltd. (currently a consolidated subsidiary)
  • Jun. 2013
    Added the following business activities:
    Electric power generation and supply
  • Apr. 2015
    Nippon Air Conditioning Shikoku Co., Ltd. is established
  • Aug. 2015
    NACS BD Co., Ltd. is established in Dhaka, Bangladesh (currently an oveseas consolidated subsidiary)
  • Nov. 2015
    Evar Air-conditioning & Engineering Pte Ltd's shares acquired (Singapore) (currently an overseas consolidated subsidiary)
  • Mar. 2016
    NACS Singapore Pte. Ltd. is established in Singapore (currently an overseas consolidated subsidiary)
  • Apr. 2016
    Nippon Air Conditioning Mie Co., Ltd. is incorporated (currently Mie office)
  • Jun. 2016
    The joint venture NACS TPS ENGINEERING CO., LTD. is established in Bangkok, Thailand (currently an oveseas consolidated subsidiary)
  • Mar. 2017
    Bought stakes in NIPPON KUCHO SERVICES (M) SDN. BHD. (Selangor, Malaysia) (currently an overseas consolidated subsidiary)
  • Apr. 2017
    Higashi Nippon Air Conditioning Management Co., Ltd. is incorporated
  • Jun. 2017
    Added the following business activities:
    Design, manufacture, and sales of solar powered electronic goods
  • Nov. 2017
    Bought stakes in NACS ENGINEERING VIETNAM CO., LTD. (Hanoi, Vietnam) (currently an overseas consolidated subsidiary)
  • Bought stakes in NACS Engineering Myanmar Co., Ltd. (Yangon, Myanmar) (currently an overseas consolidated subsidiary)
  • Mar. 2018
    Tottori service office and Kochi service office is established(Achieve to advance all prefectures)
  • Apr. 2018
    Nishi Nippon Air Conditioning Management Co., Ltd. and Nippon Air Conditioning Shikoku Co., Ltd. is incorporated
  • Shizuoka service office and Gifu service office is established
Aug. 2015 NACS BD Co., Ltd. is established in Dhaka, Bangladesh (currently an oveseas consolidated subsidiary)
Nov. 2015 Evar Air-conditioning & Engineering Pte Ltd's shares acquired (Singapore)(currently an overseas consolidated subsidiary)
Mar. 2016 Bought stakes in NIPPON KUCHO SERVICES (M) SDN. BHD. (Selangor, Malaysia) (currently an overseas consolidated subsidiary)
Nov. 2017 Bought stakes in NACS ENGINEERING VIETNAM CO., LTD. (Hanoi, Vietnam) (currently an overseas consolidated subsidiary)

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