| Relationships | Role | Relationship Start | Relationship End |
| California Street Branch | Parent | 1/13/1986 | 10/30/1986 |
| Austin Well Service | Subsidary | 1/13/1986 | 10/30/1986 |
| Finley Oilwell Service, Inc. | Subsidary | 1/13/1986 | 10/30/1986 |
| Relationships | Role | Relationship Start | Relationship End |
| California Street Branch | Parent | 1/13/1986 | 10/30/1986 |
| Austin Well Service | Subsidary | 1/13/1986 | 10/30/1986 |
| Finley Oilwell Service, Inc. | Subsidary | 1/13/1986 | 10/30/1986 |