| Symbol | Name | Country | Exchange |
|---|---|---|---|
| AE | Adams Resources & Energy, Inc. | US | AMEX |
| DCP | DCP Midstream, LP | US | NYSE |
| ENB | Enbridge Inc | US | NYSE |
| EPD | Enterprise Products Partners L.P. | US | NYSE |
| NFG | National Fuel Gas Company | US | NYSE |
| PDCE | PDC Energy, Inc. | US | NASDAQ |
| PSX | Phillips 66 | US | NYSE |
| SPH | Suburban Propane Partners, L.P. | US | NYSE |
| SSL | Sasol Ltd. | US | NYSE |
| WPRT | Westport Innovations Inc | US | NASDAQ |
| IBDRY | Iberdrola ADR | US | OTC |
| IBDSF | Iberdrola Sa Bilbao | US | OTC |
| TWMIF | Tidewater Midstream and Infrastructure Ltd | US | OTC |
| ENEL | Enel SpA | IT | MI |