| Relationships | Role | Relationship Start | Relationship End |
| Korea Development Bank, The | Parent | 12/31/1997 | 12/17/1998 |
| Shinhan Bank | Parent | 12/31/1980 | 12/30/1989 |
| Hana Bank | Parent | 9/17/1978 | 7/30/1989 |
| Woori Bank | Parent | 12/31/1980 | 12/11/1985 |
| Korea First Bank | Parent | 7/26/1978 | 12/10/1985 |
| Hanil Bank | Parent | 9/17/1978 | 12/11/1984 |
| Korea First Bank | Parent | 6/24/1977 | 7/25/1978 |