| 1931 | Founded as Sumino Non-Ferruos Metals Wholesaler. Later renamed Sumino Kosakujo. Performed various types of precision metal cutting as an associated factory for an aircraft company. |
|---|---|
| 1953 | Corporate reorganization at the current headquarters as Ueny Industrial Co., Ltd. |
| 1959 | Established Showa Electric Shokai for the sale of electronic compponents |
| 1961 | Launched a speaker production divison and designated the electronics division as a co-prosperity company of Matsushita Electric Industrial Co., Ltd |
| 1971 | Electronics division was reorganized as Kurayoshi Ueny Electric |
| 1973 | Showa Electric Shokai reorganized as Showa Electric Shokai Co., Ltd. |
| 1974 | Launch of the import and export business and establisment of trade division |
| 1976 | Opened he Ueny Co., Ltd. Kurayoshi factory in Iwaki, Kurayoshi-shi |
| 1981 | Reorganized the trade division as ITSUWA SHOJI KAISHA, INC. |
| 1986 | Changed the name of Ueny Industrial (in Japanese) |
| 1988 | Ueny Co., Ltd. Iwaki factory moved to Kazuwa, Kurayoshi (Tottori prefecture). |
| 1991 | ITSUWA SHOJI Korean office reorganized as the independent KOREA ITSUWA CO.LTD |
| 1993 | Established ITSUWA(SINGAPORE)PTE. LTD. |
| 1994 | Established ITSUWA (HONG KONG) LIMITED. |
| 1995 | ITSUW KOREA is commended by South Korean president for its contribution to exports |
| 1998 | Established Kyushu office |
| 2003 | Established Shanghai office Opened Tokyo office |
| 2008 | Opened ITSUWA HANOI REPRESENTATIVE OFFICE |
| 2009 | Established ITSUWA VIETNAM CO., LTD. Established ITSUWA USA, INC. Established ITSUWA (BANGKOK) CO., LTD. |
| 2011 | ITSUWA VIETNAM CO.、LTD. opens Ho Chi Minh Office |
| 2013 | Opened ITSUWA MANILA Representative Office |
| 2014 | Established ITSUWA TRADING (DONG GUAN) LTD. |
| 2015 | Established ITSUWA VAULT AUSTRALIA PTY LTD |
| 2017 | Established ITSUWA(EUROPE)GmbH in Germany Introduced RING system |
| 2018 | Established ITSUWA MEXICO S A. de C.V. |
| 2019 | Environmental ISO14001: 2015 and Quality ISO9001: 2015 Passed renewal inspection |