| Relationships | Role | Relationship Start | Relationship End |
| Firstgulf Bancorp | Parent | 11/30/1973 | 8/30/1985 |
| National Properties And Mining Company, Inc. | Subsidary | 12/31/1976 | 8/30/1985 |
| Mobile Data Center, Inc. | Subsidary | 3/29/1976 | 8/30/1985 |
| Firstgulf Insurance Agency, Inc. | Subsidary | 8/10/1985 | 8/30/1985 |
| Coastal Financial Service Inc | Subsidary | 12/31/1976 | 12/1/1980 |
| Bank Of York | Subsidary | 1/1/1974 | 5/16/1977 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Amsouth Bank | Buyer | 54,243,919 | Discontinued | 8/31/1985 | |
| First National Bank Of Alabama-Daphne | Seller | 10,966 | Discontinued | 7/12/1982 |