| Relationships | Role | Relationship Start | Relationship End |
| First Union Corporation | Parent | 10/14/1975 | 12/16/1985 |
| First Union Insurance Agency,Inc. | Subsidary | 6/29/1985 | 3/31/1989 |
| First Union Investment Company | Subsidary | 1/28/1977 | 8/11/1985 |
| First Stillwater Building Corporation | Subsidary | 10/14/1975 | 8/30/1983 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bancfirst | Buyer | 6,769,841 | Discontinued | 4/1/1989 | |
| First Stillwater Building Corporation | Seller | Discontinued | 8/31/1983 |