| May 1973 | Matsushita Factory Corporation is established |
| February 1998 | Headquarters operations are relocated to Miki, Hyogo |
| April 2000 | Organization is changed to the limited liability company Ohiro Metal SA |
| April 2002 | Organization is incorporated as THANK-METAL CO.,LTD. |
| November 2003 | Machinery manufacturing department is established; Yashiro Factory is established. |
| March 2007 | Energy device-related materials development is started |
| February 2008 | Aluminum lamination press processing is started |
| November 2009 | Kobe Branch Office is opened |
| February 2012 | Tokyo Branch Office is opened; TMS Co., Ltd. is established as a maintenance arm |