| Date of Establishment | July 30, 1935 |
| Head Office |
5-5, Minami-machi 2-chome, Mito, Ibaraki 310-0021, Japan Phone: 029-231-2151 |
| Domestic Network | 184 offices（153 Branches, 31 Sub-branches） |
| Overseas Network | 4 Representative Offices（Shanghai, Singapore, New York, Hanoi） |
As of September 30, 2018
