| Relationships | Role | Relationship Start | Relationship End |
| Irwin International Corporation | Parent | 6/30/2007 | 9/17/2015 |
| Irwin International Corporation | Parent | 12/23/2005 | 6/29/2007 |
| Irwin International Corporation | Parent | 7/14/2000 | 12/22/2005 |
| Onset Alberta Ltd. | Subsidary | 6/30/2007 | 12/9/2010 |
| Onset Alberta Ltd. | Subsidary | 12/12/2001 | 6/29/2007 |