| Relationships | Role | Relationship Start | Relationship End |
| Tayside Holdings Limited | Parent | 4/21/1989 | 8/31/2001 |
| T C Properties Inc. | Subsidary | 4/21/1989 | 2/7/1996 |
| Xdptek Inc. | Subsidary | 11/21/1995 | 2/7/1996 |
| Revtek Inc. | Subsidary | 4/21/1989 | 11/25/1995 |
| Northwest Steel Processing, Inc. | Subsidary | 4/21/1989 | 12/29/1990 |
| Western Leasing Co. | Subsidary | 4/21/1989 | 12/29/1990 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| T C Properties Inc. | Seller | Discontinued | 2/8/1996 | ||
| Xdptek Inc. | Seller | Discontinued | 2/8/1996 | ||
| Northwest Steel Processing, Inc. | Seller | Discontinued | 12/30/1990 | ||
| Western Leasing Co. | Seller | Discontinued | 12/30/1990 |