| Relationships | Role | Relationship Start | Relationship End |
| West Suburban Investments, Inc. | Parent | 6/27/1989 | 12/31/1995 |
| West Suburban Investments, Inc. Of Colorado | Parent | 5/3/1985 | 6/26/1989 |
| Relationships | Role | Relationship Start | Relationship End |
| West Suburban Investments, Inc. | Parent | 6/27/1989 | 12/31/1995 |
| West Suburban Investments, Inc. Of Colorado | Parent | 5/3/1985 | 6/26/1989 |