| May 1977 |
A&D Co., Ltd. (paid-in capital 42.04 million yen) was founded to manufacture and distribute electronic measuring instruments. A head office was established in Nerima-ku, Tokyo and a factory in Kitamoto City, Saitama. |
| May 1979 |
Relocation of head office to Shibuya-ku, Tokyo |
| May 1981 |
Relocation of factory to Konosu City, Saitama (current Konosu factory) |
| Jun 1982 |
Acquired Kensei Industry Co., Ltd. stocks which then became an A&D subsidiary (currently A&D Manufacturing) and entered the electronic balance business. |
| Aug 1982 |
Founded A&D Engineering, Inc. (currently A&D's consolidated subsidiary), which became the sales office for North, Central and South America. |
| Jun 1985 |
Founded Litra Co., Ltd. (currently A&D Manufacturing), a factory specializing in load cell and electronic balance manufacturing. |
| Jan 1987 |
Entered into contract with Takeda Medical Inc. for sole representation and began distribution of digital blood pressure monitors. |
| Dec 1987 |
Acquired Mercury Weighing And Control Systems Pty. Ltd. stocks (current A&D Australasia Pty. Ltd., A&D's consolidated subsidiary) and established it as the A&D subsidiary sales office in Oceania. |
| May 1989 |
Merged with Takeda Medical Inc. |
| Aug 1989 |
Established the Technical Center in Kitamoto City, Saitama and transferred all research and development functions from the Konosu factory. |
| Apr 1990 |
Founded A&D System Co., Ltd. to enhance the development of medical instruments. |
| Sep 1990 |
Relocation of head office to Toshima-ku, Tokyo |
| Dec 1990 |
Founded A&D Korea Limited (currently A&D's consolidated subsidiary) |
| May 1991 |
Founded A&D Instruments Ltd. (currently A&D's consolidated subsidiary), which became the sales office in Europe |
| May 1993 |
Entered into partnership with Orientec Co., Ltd. (currently A&D Manufacturing) and acquired sales representation for testing machines and load cells |
| Jun 1994 |
Founded A&D Scientech Taiwan Limited (currently A&D's consolidated subsidiary) in Taiwan |
| Oct 1995 |
Obtained ISO9001 certification |
| Jan 1996 |
A&D Korea Limited (currently A&D's consolidated subsidiary) acquired Hana Instruments Co., Ltd. stocks (currently A&D Scales Co., Ltd., A&D's consolidated subsidiary) |
| Sep 1996 |
Acquired Orientec Co., Ltd. stocks (currently A&D Manufacturing) |
| Oct 2002 |
Founded A&D Electronics (Shenzhen) Co., Ltd., a factory that specializes in the manufacturing of healthcare products |
| Apr 2003 |
Went public on the JASDAQ market |
| Aug 2003 |
Acquired Litra Co., Ltd. (currently A&D Manufacturing) as a wholly owned subsidiary |
| Jan 2005 |
Merged with A&D System Co., Ltd. |
| Feb 2005 |
Listed on the second section of the Tokyo Stock Exchange |
| Apr 2005 |
Founded A&D Technology Inc. (currently A&D's consolidated subsidiary) |
| Jun 2005 |
Acquired Kensei Industry stocks to make it a wholly owned A&D subsidiary |
| Aug 2005 |
Took over the Powertrain technology department of MTS Systems Corporation through A&D Technology Inc |
| Mar 2006 |
Listed on the first section of the Tokyo Stock Exchange |
| Jul 2006 |
Founded A&D RUS CO., LTD. (currently A&D's consolidated subsidiary), which will focus on the sales of both A&D medical and A&D weighing products in Russia |
| Oct 2007 |
Founded A&D Technology Trading (Shanghai) Co.,Ltd. (A&D's consolidated subsidiary) |
| Feb 2008 |
Founded A&D Instruments India Private limited (A&D's consolidated subsidiary) |
| Mar 2008 |
Acquired Horon Co., Ltd. stocks (currently A&D's consolidated subsidiary) |
| Aug 2008 |
Founded A&D Europe GmbH in Germany |
| Oct 2008 |
Acquired SUM Electro Mechanics Co., Ltd. stocks to make it a wholly owned A&D subsidiary |
| Jan 2009 |
Acquired Best Instruments Co., Ltd. stocks to make it a wholly owned A&D subsidiary |
| Jun 2013 |
Founded CM Seiki Co., Ltd. in Hidaka City, Saitama and entered the checkweigher and metal detector businesses |
| Jul 2013 |
Founded MBS Co., Ltd. in Kitamoto City, Saitama and began consulting on automotive design and development and offering contract testing/measurement services to the automotive industry |
| Feb 2015 |
Established A&D Vietnam Limited in Vietnam |
| Jul 2015 |
Acquired measurement business (formerly NEC San-ei) from Nippon Avionics Co., Ltd. and began sales of industrial measurement equipment |
| Dec 2015 |
Established A&D Instruments Canada Inc. in Canada |
| Jun 2018 |
Acquired HOLON Co., Ltd. stocks to make it a wholly owned A&D subsidiary |
| Sep 2018 |
Established A&D Company, Limited Thailand Representative Office in Thailand |
| Jan 2020 |
Acquired A&D Scientech Taiwan Limited stocks to make it a wholly owned A&D subsidiary |
| Apr 2022 |
A&D Company, Limited and HOLON Co., Ltd. conducted a management integration and transitioned to a holding company structure thereby forming A&D HOLON Holdings Company, Limited. |
| Jan 2023 |
A&D’s three consolidated subsidiaries (Kensei Industry Co., Ltd., Litra Co., Ltd., and Orientec Co., Ltd.) were merged to form A&D Manufacturing Co, Ltd. |
| Apr 2024 |
A&D Manufacturing Company, Limited, a consolidated subsidiary of A&D Company, Ltd., merges with SUM Electro Mechanics Co., Ltd., a consolidated subsidiary of A&D Company, Ltd. |