| Relationships | Role | Relationship Start | Relationship End |
| Heller Financial, Inc. | Parent | 10/23/1984 | 6/29/1985 |
| Heller Interstate, Inc. | Parent | 7/31/1973 | 10/22/1984 |
| V H Corporation | Subsidary | 12/31/1976 | 6/6/1980 |
| Wehco Plastics Inc | Subsidary | 12/31/1976 | 8/7/1979 |
| Nosnah Company | Subsidary | 12/31/1976 | 11/30/1978 |
| Knoll International Inc | Subsidary | 12/31/1976 | 8/30/1977 |