| Relationships | Role | Relationship Start | Relationship End |
| Deutsche Bank Trust Company Americas | Parent | 12/31/1980 | 8/24/1989 |
| Pyramid Energy, Inc. | Subsidary | 5/25/1984 | 8/24/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Lourmel Investors (Delaware), Inc. | Buyer | Discontinued | 8/25/1989 |