
| June, 1994 | Established Yao-shi Delivery Center in Wakabayashi-cho, Yao |
| October, 1994 | Opened Yao Office (President-owned) |
| April, 1996 | Reorganized as a stock company |
| May, 1998 | Opened Urayasu Office |
| September, 1998 | Opened Kobe Office |
| December, 1999 | Opened Fukuoka Office |
| July, 2000 | Opened Hirano Office (Company-owned) Opened Osaka Office (President-owned) |
| May, 2005 | Relocated Fukuoka Office (Company-owned) |
| June, 2006 | Opened Kobe Chuo Office (Company-owned) |
| April, 2007 | Opened Kashiwabara Training Center(Company-owned) |
| May, 2007 | Relocated and re-opened Urayasu Office (Company-owned) |
| July, 2007 | Opened Shizuoka Office (Company-owned) |
| May, 2009 | Opened Komaki Office |
| July, 2011 | Opened Yokohama Office |