| In 1932 |
Miyoshi north mine started operating, mined ceramic and refractory raw materials sales started. |
| In 1957 |
Takigawa Mining Co. Ltd established. |
| In 1971 |
Clay Sand for the construction industry sales started. |
| In 1976 |
Two Liquid Type Shield Backfill Grouting Method development and sales started. |
| In 1982 |
1st generation simultaneous backfilling injection pipe development and sales started. Segment with shielding plate for sharp curve construction developed,Segment fixing device mini packer development and sales started. |
| In 1988 |
Polymer agent TAC Through development and sales started. |
| In 1991 |
Construction Industry License for civil engineering work. |
| In 1992 |
Company name was changed to TAC Corporation. |
| In 1993 |
2nd generation simultaneous backfilling injection pipe development and sales started. |
| In 1994 |
Osaka Office opened. Equipment Center completed. |
| In 1998 |
3rd generation tip mixed simultaneous backfilling injection pipe development and sales started. Soil and sand pressured polymeric mud agent TAC Carry development and sales started. |
| In 2000 |
Backfilling mud injection facility for overseas construction development and sales started. |
| In 2001 |
Construction Consultant Registration. |
| In 2002 |
Clay-Shock & Mini-Packer Sharp Curve Construction method developed. |
| In 2003 |
Development and sale of a tip mixed simultaneous injection pipe (3.5th generation). |
| In 2006 |
Tokyo Office opened. |
| In 2007 |
Bio related business started. |
| In 2008 |
Expansion of Machine Center / Bio-Diesel Fuel manufacture and sales started |
| In 2009 |
Shanghai Office opened |
| In 2011 |
TAC Corporation CREDO completed. |
| In 2012 |
Singapore TAC Pacific Pte. established. |
| In 2013 |
Machine Center Office Building completed, integrated Engineering and Design Section and renamed “Techno Center”. |
| In 2016 |
4th Simultaneous Injection Pipe Development Started, relocated BDF Manufacture to Techno Center. |
