| Relationships | Role | Relationship Start | Relationship End |
| Ba Security Services, Inc. | Parent | 4/1/1983 | 3/18/1993 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Ba Security Services, Inc. | Buyer | Discontinued | 3/19/1993 |
| Relationships | Role | Relationship Start | Relationship End |
| Ba Security Services, Inc. | Parent | 4/1/1983 | 3/18/1993 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Ba Security Services, Inc. | Buyer | Discontinued | 3/19/1993 |