| 1937-01 |
Founded in Hiroshima City as "Mochinaga-gumi" by Sadakazu Yawata |
| 1937-01 |
Sadaichi Yahata started business as Mitsunaga Gumi in Hiroshima City. |
| 1946-09 |
Renamed from "Mochinaga-gumi" to "Sanyo Electric Works" |
| 1946-09 |
Renamed from Mitsunaga Gumi to Sanyo Denki Kogyosho. |
| 1948-10 |
Established "Sanyo Electric Construction Co., Ltd." (now "Suntec Corporation") |
| 1948-10 |
Established Sanyo Electrical Construction Co., Ltd. (the present-day Sanyo Engineering & Construction Inc.) |
| 1956-03 |
Relocated headquarters to 6-1 Kudanminami, Chiyoda-ku, Tokyo |
| 1956-03 |
Transferred the Head Office to 1 Rokubancho, Chiyoda-ku, Tokyo. |
| 1958-04 |
Upgraded and renamed Osaka Sales Office to Osaka Branch |
| 1958-04 |
Upgraded the Osaka Business Office and renamed it the Osaka Branch Office. |
| 1967-04 |
Established Hiroshima Electric Factory |
| 1967-04 |
Established Hiroshima Electrical Manufacturing Factory. |
| 1973-05 |
Listed on the Second Section of the Tokyo Stock Exchange |
| 1973-05 |
Listed on the second section of the Tokyo Stock Exchange |
| 1974-12 |
Relocated headquarters to 9 Nibancho, Chiyoda-ku, Tokyo |
| 1974-12 |
Transferred the Head Office to 9 Nibancho, Chiyoda-ku, Tokyo. |
| 1975-01 |
Established Singapore Branch (Abolished in June 2021) |
| 1975-01 |
Established Singapore Branch Office.(closed in June 2021) |
| 1978-06 |
Upgraded and renamed Sendai, Nagoya (Chubu), Kyushu, and other sales offices to branches |
| 1978-06 |
Upgraded the Business Offices in Sendai, Nagoya (Chubu), and Kyusyu and renamed them Branch Offices. |
| 1979-02 |
Upgraded and renamed Sapporo Sales Office to Hokkaido Branch |
| 1979-02 |
Upgraded the Sapporo Business Office and renamed it the Hokkaido Branch Office. |
| 1986-02 |
Established Chiba Electric Factory |
| 1986-02 |
Established Chiba Electrical Manufacturing Factory. |
| 1987-04 |
Established SEC MASHIBAH SDN.BHD. (Brunei) |
| 1987-04 |
Established SEC MASHIBAH SDN.BHD (Brunei). |
| 1990-01 |
Established SECM SDN.BHD. (Malaysia) |
| 1990-01 |
Established SECM SDN.BHD (Malaysia). |
| 1992-10 |
Changed trade name from "Sanyo Electric Construction Co., Ltd." to "Santec Corporation" |
| 1992-10 |
Renamed Sendai Branch to Tohoku Branch |
| 1992-10 |
Changed business name from Sanyo Electrical Construction Co., Ltd. to Sanyo Engineering & Construction Inc. |
| 1992-10 |
Renamed the Sendai Branch Office the Tohoku Branch Office. |
| 1995-03 |
Established Hanoi Resident Office (Vietnam) (Abolished in May 2010) |
| 1995-03 |
Established Hanoi representative office (Vietnam).(closed in May 2010) |
| 1996-02 |
Established Ho Chi Minh Resident Office (Vietnam) (Abolished in May 2010) |
| 1996-02 |
Established Ho Chi Minh representative office (Vietnam).(closed in May 2010) |
| 1996-06 |
Relocated headquarters to 13 Nibancho, Chiyoda-ku, Tokyo (Current Address) |
| 1996-06 |
Transferred the Head Office to 13-3 Nibancho, Chiyoda-ku, Tokyo (present address) |
| 1996-08 |
Established Myanmar Branch (Yangon) |
| 1996-08 |
Established Yangon Branch (Myanmar). |
| 1997-06 |
Head Office Internal Division obtained ISO 9001 certification |
| 1997-06 |
Head Office Electric Works Department acquired ISO9001 certification. |
| 1998-09 |
Head Office Power Division obtained ISO 14001 certification (Voluntarily relinquished in September 2022) |
| 1998-09 |
Head Office Electric Power Department acquired ISO14001 certification.(voluntarily surrendered in Sep 2022) |
| 2000-03 |
Established S.E.C.T. COMPANY LIMITED (Thailand) (Current: SECT COMPANY LIMITED) |
| 2000-03 |
Established S.E.C.T. COMPANY LIMITED (Thailand).(currently a SECT COMPANY LIMITED) |
| 2000-09 |
Established Taipei Branch (Taiwan) |
| 2000-09 |
Established Taipei Branch (Taiwan). |
| 2003-08 |
Established Sanyo Electric & Mechanical Technology (Shanghai) Co., Ltd. (China) |
| 2003-08 |
Established Sanyo Electric Technology (Shanghai) Co., Ltd. (China). |
| 2004-07 |
Established Systec Engineering Corporation |
| 2004-07 |
Established Systec Engineering Co., Ltd. |
| 2007-01 |
Established PFI Cherry Blossom Higashine School Lunch Service Co., Ltd. (Disbanded on June 28, 2023, due to expiration of PFI project contract) |
| 2007-01 |
Established PFI Sakuranbo Higashine School Catering Co., Ltd.(dissolved in June 2023) |
| 2008-10 |
60th Anniversary of Company Founding |
| 2008-10 |
60th anniversary of the company’s establishment |
| 2010-01 |
Established Sanyo Engineering & Construction Vietnam Co., Ltd. (Vietnam) |
| 2010-01 |
Established SANYO ENGINEERING & CONSTRUCTION VIETNAM CO., LTD.(Vietnam) |
| 2012-10 |
Established Yamaguchi Ube Solar Co., Ltd. |
| 2012-10 |
Established Yamaguchi Ube Solar Co., Ltd. |
| 2014-08 |
Acquired shares of Musashino Industrial Co., Ltd. |
| 2014-08 |
Acquired shares of Musashinokogyo Co., Ltd. |
| 2015-01 |
Transferred all shares of Systec Engineering Corporation to the company |
| 2015-01 |
Transferred all shares of Systec Engineering Co., Ltd. to the company |
| 2016-12 |
Established Bangladesh Branch Office |
| 2016-12 |
Established Bangladesh branch |
| 2017-02 |
Established SEC (S) PTE. LTD. (Singapore) |
| 2017-02 |
Established SEC (S) PTE. LTD. (Singapore) |
| 2017-12 |
Acquired shares of Sanki Industries Co., Ltd. |
| 2017-12 |
Acquired shares of Sanki Sangyo Co., Ltd. |
| 2018-10 |
70th anniversary of the company’s establishment |
| 2018-12 |
SECM SDN.BHD. (current consolidated subsidiary) acquired shares of PT SECM TECH INDONESIA (current consolidated subsidiary) |
| 2018-12 |
SECM SDN.BHD. (currently a consolidated subsidiary) acquired shares of PT SECM TECH INDONESIA (currently a consolidated subsidiary). |
| 2019-06 |
Sanyo Engineering & Construction Vietnam Co., Ltd. (current consolidated subsidiary) acquired shares of SEAPRODEX REFRIGERATION INDUSTRY CORPORATION (current SEAREFICO Corporation, associated company under equity method) |
| 2019-06 |
SANYO ENGINEERING & CONSTRUCTION VIETNAM CO., LTD. (currently a consolidated subsidiary) acquired shares of SEAPRODEX REFRIGERATION INDUSTRY CORPORATION (currently SEAREFICO Corporation , an equity-method affiliate). |
| 2022-04 |
Transition from the Second Section of the Tokyo Stock Exchange to the Standard Market due to review of market classification |
| 2022-04 |
Moved from the Second Section of the Tokyo Stock Exchange to the Standard Market due to a review of the Tokyo Stock Exchange's market divisions. |
| 2023-04 |
Established Tokyo Branch in the Power Headquarters and Tokyo Branch in the International Business Department |
| 2023-04 |
Established Tokyo Branch Office in Electric Power Division and Tokyo Branch Office in International Business Division. |
| 2024-05 |
Extended ISO9001:2015 to the Power Headquarters (Power Transmission Department: Headquarters, Tohoku Branch, Chubu Branch, Osaka Branch) |
| 2024-05 |
ISO9001:2015 version is expanded to the Electric Power Division (Power Transmission Division: Head Office, Tohoku, Chubu and Osaka Branch Office) |
| 2024-05 |
ISO9001:2015 version is expanded to the Electric Power Division (Power Transmission Division: Head Office, Tohoku, Chubu and Osaka Branch Office). |