| Relationships | Role | Relationship Start | Relationship End |
| Bancoklahoma Corp. | Parent | 10/17/1984 | 11/23/1986 |
| Fidelity Of Oklahoma, Inc. | Parent | 1/2/1974 | 10/16/1984 |
| American National Bancshares, Inc. | Subsidary | 6/7/1986 | 11/23/1986 |
| Fidelity National Building Corporation | Subsidary | 1/2/1974 | 10/16/1984 |
| Fidelity Credit Insurance Agency Corporation | Subsidary | 1/5/1981 | 10/16/1984 |
| Service Card System Corporation | Subsidary | 8/11/1976 | 7/9/1983 |
| H. Pat Henson Company, The | Subsidary | 7/1/1975 | 8/10/1977 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bokf, National Association | Buyer | 32,669,391 | Discontinued | 11/24/1986 |