| Relationships | Role | Relationship Start | Relationship End |
| Bok Financial Corporation | Parent | 8/3/2007 | |
| Bokf-Cs (Newco Valves), Llc | Subsidary | 11/14/2007 | |
| Lakeland Operating Company, Llc | Subsidary | 11/29/2007 | |
| Bokf-Cs (Global Holdings), Llc | Subsidary | 12/1/2008 | |
| Bokf-Cc Aimbridge, Llc | Subsidary | 12/22/2009 | |
| Bokf-Cc (Fse), Llc | Subsidary | 8/2/2012 | |
| Bokf-Cc (Qaa), Llc | Subsidary | 7/20/2012 | |
| Bokf - Cc (Heartland), Llc | Subsidary | 4/27/2015 | |
| Bokf-Cc (O2 Concepts), Llc | Subsidary | 6/22/2015 |