1949 – Founded Nagoya Sanno Service
1957 – Appointed regional distributor Sawafuji Electric Co., Ltd. for Chubu Region
1964 – Appointed an authorized service station for Nippon Denso Co., Ltd. (now DENSO Corp.)
1975 – Appointed regional distributor of Sawafuji Electric Co., Ltd. for Hokuriku Region
2000 – Created Export & Import Group in the Sales Dept.
2001 – Toyota Tsusho Corporation became sole stockholder
2002 – Changed name to Toyotsu Auto Service Co., Ltd.
2012 – Merged with Yokohama Generator Co., Ltd. and Changed name to TAS Corporation
2014 – Merged with Targa Co., Ltd.