| Relationships | Role | Relationship Start | Relationship End |
| Citibank Canada | Parent | 6/1/1997 | 8/31/2001 |
| Citibank Canada | Parent | 12/1/1988 | 5/31/1997 |
| Citibank Canada | Parent | 11/5/1987 | 11/30/1988 |
| West Pembina Gas Plants Limited Partnership | Subsidary | 6/30/1992 | 7/28/1999 |
| Oxford Properties Group Inc. | Subsidary | 7/20/1995 | 4/29/1997 |
| Barrtor Holdings Limited | Subsidary | 12/1/1989 | 12/30/1993 |