
| 1946 | Mar | SHIROKI KINZOKU KOGYO Co., Ltd. Established. |
|---|---|---|
Head Office, Tokyo Plant established (in Jujo Ex- Military Arsenal).![]() |
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| 1950 | Oct. | Manufacture of doorframes and moldings started. |
| 1951 | May | Mass production of window regulators started. |
| 1954 | Apr. | Mass production of doorframes started. |
| 1956 | Jul. | Ex-Nagoya Plant started operation. (Nagoya Dept. at present) |
| 1958 | Sep. | Affiliated with "Toyoko Co., Ltd" |
| 1959 | Dec. | Osaka Plant (in Ikeda-City) started operation. |
| 1960 | Jan. | Mass production of car keys started. |
| Nov. | Toyota Plant started operation. Mass production of seat adjusters started. |
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| 1963 | Dec. | Mass production of seat recliners started. |
| 1964 | Feb. | Tokyo Plant started operation. |
| Dec. | Affiliated with Tokyu Corp. | |
| 1967 | Jan. | Fujisawa Plant started operation. (Head Office moved.)![]() |
| 1970 | May | The company was listed on the 2nd Section of the Tokyo Stock Exchange. |
| 1972 | Oct. | The company was listed on the 2nd Section of the Nagoya Stock Exchange. |
| 1973 | Aug. | The company was listed on the 1st Section of the Tokyo and Nagoya Stock Exchange respectively. |
| 1977 | Aug. | Osaka Plant transferred to Ibaragi. |
| 1980 | Oct. | Toyokawa Plant started operation. |
| 1984 | Apr. | SHIROKI SEIKI Co., Ltd. established. |
| 1985 | Dec. | SHIROKI SHOJI Co. Ltd. established. |
| 1986 | Oct. | Toyokawa Head Office and Technical Center established. |
| Dec. | Tokyo Plant consolidated with Fujisawa Plant. | |
| 1988 | Mar. | SHIROKI-WICKES CORPORATION (SW MANUFACTURING, INC. at present) established. (the United States) |
| Jun. | Ex-Nagoya Plant consolidated with Toyokawa Plant. | |
| Sep. | The company changed its name to SHIROKI CORPORATION. | |
| 1991 | Apr. | Nagoya Plant started operation. ![]() |
| Dec. | Margin trading issue listed on the Tokyo Stock Exchange. | |
| 1992 | Oct. | Nagoya Plant received "NIKKEI MOST UPDATED BUSINESS OFFICE AWARD." |
| 1993 | Dec. | Sun Circle was affiliated with SHIROKI Group. |
| 1995 | Jun. | SWM Georgia L.L.C. established. (the United States) |
| 1996 | Nov. | 50 Years Anniversary. |
| 2001 | Aug. | KYUSHU SHIROKI Co., Ltd. established. |
| 2002 | Jan. | SHIROKI CORP. (THAILAND) LTD. established. (Thailand). |
| Jul. | KYUSHU SHIROKI Co., Ltd. started operation. | |
| 2003 | Aug. | Invested to ASAN Co., Ltd. (Korea). |
| Oct. | GUANGZHOU SHIROKI Corp. established. (China). | |
| Nov. | SHIROKI CORP. (THAILAND) LTD. started operation. | |
| 2004 | Aug. | New plant at SHIROKI CORP. (THAILAND) LTD. established. |
| 2005 | Apr. | GUANGZHOU SHIROKI Corp. started operation. |
| 2006 | Jun. | SWM-GT, L.L.C. established. (the United States). |
| Jul. | SHIROKI CREATE SERVICE CO.,Ltd. established. | |
| 2007 | Jan. | SHIROKI-GA L.L.C. (Launch extended plant). Company name change of three companies in North America. |
| Mar. | SHIROKI-GT, LLC. started operation. | |
| Jul. | GUANGZHOU SHIROKI Corp. (Launch second plant). | |
| Sep. | Invested to Technico Industries Ltd. (India). | |
| 2009 | Aug. | Ex-Toyota factory ablished, and the three plants in the Chukyo area were consolidated into two plants. |
| 2010 | Jul. | The ratio of capital contribution to Technico Industries,Ltd: to 27%. |
| 2011 | Mar. | MATSUMI CORPORATION to the consolidated subsidiary. |
| Apr. | The largest shareholder changes to TOYOTA MORTOR CORPORATION. | |
| Aug. | PT.SHIROKI INDONESIA established. |