| Symbol | Name | Country | Exchange |
|---|---|---|---|
| NGL | NGL Energy Partners LP | US | NYSE |
| PAGP | Plains Group Holdings, L.P. | US | NASDAQ |
| TRGP | Targa Resources, Inc. | US | NYSE |
| ALTMW | Altus Midstream Company | US | OTC |
| CESDF | CES Energy Solutions Corp | US | OTC |
| EBBNF | Enbridge Inc | US | OTC |
| KEYUF | Keyera Facilities In | US | OTC |
| PBNAF | Pembina Pipeline Corp Pfd 5 Yr Reset Cl A Ser 1% | US | OTC |
| TGAPF | Altagas Ltd Fxdfr Prf Perpetual CAD 25 Ser I | US | OTC |
| ARH | Altima Resources Ltd. | CA | TSXV |
| KEY | Keyera Corp. | CA | TSX |
| WMB | The Williams Companies Inc | DE | XETRA |