| Relationships | Role | Relationship Start | Relationship End |
| Normanstone Investments, Inc. | Parent | 12/1/1988 | 12/28/1995 |
| Whitehaven Investments, Inc. | Parent | 12/1/1988 | 12/28/1995 |
| Empressa Nacional De Telecommunicaciones S.A. | Subsidary | 12/1/1988 | 2/27/1994 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Inversiones Telefonica Y Otras Limitada | Buyer | Discontinued | 12/29/1995 |