| October 1985: |
Established and founded at Yokogawa-cho, Nishi-ku, Hiroshima City. |
| February 1989: |
Moved to Honkawa-cho, Naka-ku, Hiroshima City. |
| |
Expanded business with a focus on factory automation (FA). |
| March 2002: |
Moved to 6-28, Funairi Kawaguchi-cho, Naka-ku, Hiroshima City (current headquarters) |
| June 2006: |
Formed capital alliance with RAS System Inc. |
| March 2008: |
Formed capital alliance with Next Technology Inc. |
| January 2009: |
Changed the company name from "Technical Center in Chugoku Co." to "TCC" |
| December 2015: |
Started solar power generation business. |