| 1955 |
Founded Tokyo Kiko Corporation in 1955 as a pioneer of specialized trading companies for air conditioning and related equipment |
| 1955 |
Tokyo Kiko Co., Ltd. was founded by Tomoyuki Kusano, and sales of HVAC and related equipment began |
| 1955 |
Founded as a pioneer of air conditioning and related equipment specialty trading companies, Tokyo Kiko Co., Ltd. |
| 1956 |
Established the Construction Department in 1956 to strengthen the service system |
| 1956 |
Established the Engineering Department to strengthen service structure |
| 1956 |
Established a construction department to strengthen the service system |
| 1958 |
Signed a sales agency contract with Showa Steel Works Co., Ltd. in 1958 |
| 1958 |
Signed a distribution agreement with Showa Manufacturing Co., Ltd. |
| 1958 |
Concluded a sales agency agreement with Showa Steel Works Co., Ltd. |
| 1960 |
Signed a sales agency contract with Osaka Metal Industries Co., Ltd. (now Daikin Industries, Ltd.) in 1960 |
| 1960 |
Signed a distribution agreement with Osaka Kinzoku Kogyo Co., Ltd. (now DAIKIN INDUSTRIES, LTD.) |
| 1960 |
Concluded a sales agency agreement with Osaka Metal Industry Co., Ltd. (now Daikin Industries, Ltd.) |
| 1964 |
Signed a dealership agreement with Sanbu Honeywell Instruments Co., Ltd. (now Azbil Corporation) in 1964 |
| 1964 |
Signed a special distribution agreement with Yamatake-Honeywell Keiki Co., Ltd. (now Azbil Corporation) |
| 1964 |
Concluded a dealership agreement with Sanbu Honeywell Instruments Co., Ltd. (now Azbil Corporation) |
| 1967 |
Became Japan's first domestic general agent for air-to-air total heat exchangers in 1967 |
| 1967 |
First in Japan to become a general agent of air-cooling heat exchangers |
| 1967 |
Became the domestic general agent for Japan's first air-to-air total heat exchanger |
| 1973 |
Established Chuo Engineering Co., Ltd. (now Nippon Building Con Co., Ltd.) in 1973 |
| 1973 |
Established Chuo Engineering Corporation (now Nippon Builcon Corporation) |
| 1973 |
Established Chuo Engineering Co., Ltd. (now Nippon Building Con Co., Ltd.) |
| 1982 |
Absorbed Asahi Bussan Co., Ltd. in 1982 |
| 1982 |
Merged with Asahi Bussan Corporation |
| 1982 |
Absorbed Asahi Bussan Co., Ltd. |
| 1985 |
Engaged in instrumentation work for large-scale high-rise buildings in 1985 |
| 1985 |
Started instrumentation work for skyscrapers |
| 1985 |
Engaged in instrumentation work for full-scale high-rise buildings |
| 1986 |
Changed company name to Totech Corporation in 1986 |
| 1986 |
Changed name to TOTECH CORPORATION |
| 1986 |
Changed company name to Totech Corporation |
| 1990 |
Opened Totech TAS Center in 1990 to strengthen technical development and engineering system |
| 1990 |
Established the Total Amenity Systemizer (TAS) Center to strengthen engineering development and management |
| 1990 |
Established Totech TAS Center: Strengthening technical development and engineering system |
| 1993 |
Increased capital to 1.857 billion yen and listed on Jasdaq in 1993 |
| 1993 |
Increased capital to 1,857 million yen |
| 1993 |
Increased capital to 1.857 billion yen: Listed stocks over-the-counter with the Japan Securities Dealers Association |
| 2007 |
Added Tottori Building Con Co., Ltd. to the group in 2007 |
| 2007 |
Tottori Builcon Corporation became a group company |
| 2007 |
Added Tottori Builcon Co., Ltd. to the group |
| 2008 |
Added Totech Electric Co., Ltd. to the group in 2008 |
| 2008 |
Totech Denko Corporation became a group company |
| 2008 |
Added Totech Denko Co., Ltd. to the group |
| 2010 |
Added North Japan Instrumentation Co., Ltd. to the group in 2010 |
| 2010 |
North Japan Instrument & Co., Ltd. became a group company |
| 2010 |
Added North Japan Instrumentation Co., Ltd. to the group |
| 2015 |
Established PT. Prima Totech Indonesia (local subsidiary in Indonesia) in 2015 |
| 2015 |
Establishes PT. Prima Totech Indonesia in Indonesia (Indonesian subsidiary) |
| 2015 |
PT. Prima Totech Indonesia established (local subsidiary in Indonesia) |
| 2016 |
Added Totech Hokkaido Co., Ltd. to the group and merged with D.S. Tech Co., Ltd. in 2016, opened Kyushu branch, completed and relocated the Totech Group headquarters in Nihonbashi-Honcho 3-chome, and changed the market to the Second Section of the Tokyo Stock Exchange |
| 2016 |
TOTECH HOKKAIDO CO., LTD. becomes a group company : Merges with D.S.Tech Co., Ltd. and establishes Kyushu Branch Office : Completes construction and relocates the head office of the Totech Group to Nihonbashi Honcho 3-chome : Changes its listing market to the Second Section of the Tokyo Stock Exchange |
| 2016 |
Added to the Totech Hokkaido Corporation group: merged with D.S. Tech Co., Ltd., opened Kyushu branch: completed and relocated the Totech Group headquarters in Nihonbashi Honcho 3-chome: changed market to the Second Section of the Tokyo Stock Exchange |
| 2016 |
TOTECH HOKKAIDO CO., LTD. becomes a group company |
| 2016 |
Merged with D.S.Tech Co., Ltd. and established Kyushu Branch Office |
| 2016 |
Completes construction and relocates the head office of the Totech Group to Nihonbashi Honcho 3-chome |
| 2016 |
Changed listing market to the Second Section of the Tokyo Stock Exchange |
| 2017 |
Designated as a First Section of the Tokyo Stock Exchange in 2017, opened Totech Group Technical Center |
| 2017 |
Listed on the First Section of the Tokyo Stock Exchange : Establishes the Totech Group Technical Center |
| 2017 |
Designated as a First Section stock of the Tokyo Stock Exchange: opened the Totech Group Technical Center |
| 2017 |
Listed on the First Section of the Tokyo Stock Exchange |
| 2017 |
Established the Totech Group Technical Center |
| 2019 |
Added I-B Group to the group in 2019 |
| 2019 |
I.B. Group becomes a group company |
| 2019 |
Added to the I-B Group group |
| 2021 |
Established Totech Vietnam Solutions Co., Ltd. (Vietnam local subsidiary) in 2021 |
| 2021 |
Establishes Totech Vietnam Solutions Co., Ltd. in Vietnam (Vietnamese subsidiary) |
| 2021 |
Established Totech Vietnam Solutions Co., Ltd. (local subsidiary in Vietnam) |
| 2022 |
Added Quantum Automation Pte. Ltd. (Singapore) to the group in 2022, transitioned to Tokyo Stock Exchange Prime Market |
| 2022 |
Quantum Automation Pte. Ltd.(Singapore) becomes a group company : Changes its listing market to the Prime Market of the Tokyo Stock Exchange |
| 2022 |
Added Quantum Automation Pte. Ltd. (Singapore) to the group: migrated to the Prime Market of the Tokyo Stock Exchange |
| 2022 |
Quantum Automation Pte. Ltd. (Singapore) becomes a group company |
| 2022 |
Changed listing market to the Prime Market of the Tokyo Stock Exchange |
| 2025 |
Added Sanou Kiko Co., Ltd. to the group in 2025 |
| 2025 |
SANNOU KIKOU CO., LTD. becomes a group company |
| 2025 |
Added Sanno Kiko Co., Ltd. to the group |