| Relationships | Role | Relationship Start | Relationship End |
| Stifel Financial Corp. | Parent | 7/1/2010 | |
| Thomas Weisel Partners Llc | Subsidary | 7/1/2010 | |
| Thomas Weisel Capital Management Llc | Subsidary | 7/1/2010 | |
| Thomas Weisel Asset Management Llc | Subsidary | 7/1/2010 | |
| Thomas Weisel Partners Insurance Services Llc | Subsidary | 7/1/2010 | |
| Stifel Nicolaus Canada Inc. | Subsidary | 11/30/2012 | |
| Twp Holdings Company (Canada), Ulc | Subsidary | 7/1/2010 | 11/30/2012 |
| Twp Passage Llc | Subsidary | 7/1/2010 | 6/28/2011 |