| Relationships | Role | Relationship Start | Relationship End |
| Rcb Holding Company, Inc. | Parent | 10/1/1990 | 9/26/1996 |
| Bancoklahoma Corp. | Parent | 10/2/1986 | 9/30/1990 |
| American Bancshares, Inc. | Parent | 12/31/1984 | 10/1/1986 |
| American Bancshares, Inc. | Parent | 12/31/1983 | 12/30/1984 |
| American Bancshares, Inc. | Parent | 5/19/1975 | 12/30/1983 |
| Affiliated Bancservices, Inc. | Subsidary | 10/12/1977 | 10/1/1986 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Rcb Bank | Buyer | 2,859,466 | Acquisition | Discontinued | 9/27/1996 |
| American National Bank Of Pryor Creek | Seller | Failure | 11/21/1948 |