| Relationships | Role | Relationship Start | Relationship End |
| Teachers Insurance & Annuity Association Of America | Parent | 12/1/2012 | |
| I 595 Toll Road, Llc | Subsidary | 12/1/2012 | |
| Toro/Epp Ii, Llc | Subsidary | 12/1/2012 | |
| Aquila Sonnet Lp | Subsidary | 12/1/2012 | |
| North American Sustainable Energy Manager, Llc | Subsidary | 3/26/2014 | |
| North American Sustainable Energy Fund Gp, Llc | Subsidary | 3/24/2014 | |
| North American Sustainable Energy Fund, L.P. | Subsidary | 5/16/2014 | |
| A-30 Canadian Transport Inc. | Subsidary | 11/11/2015 | |
| 1867 Infrastructure Holdings Inc. | Subsidary | 6/9/2015 | 11/10/2015 |