| Relationships | Role | Relationship Start | Relationship End |
| Azl Resources, Inc. | Parent | 12/31/1970 | 12/13/1979 |
| Coe, Van Loo And Jaschke Engineers, Inc. | Subsidary | 9/30/1972 | 12/13/1979 |
| Relationships | Role | Relationship Start | Relationship End |
| Azl Resources, Inc. | Parent | 12/31/1970 | 12/13/1979 |
| Coe, Van Loo And Jaschke Engineers, Inc. | Subsidary | 9/30/1972 | 12/13/1979 |