| ENB | Enbridge |
| OKE | ONEOK |
| KMI | Kinder Morgan |
| MPLX | MPLX LP |
| WES | Western Midstream Partners, LP |
| ET | Energy Transfer LP |
| FRO | Frontline |
| WMB | Williams Companies |
| TNK | Teekay Tankers |
| TNP | Tsakos Energy Navigation |
| STNG | Scorpio Tankers |
| FLNG | FLEX LNG |
| GLNG | Golar LNG |
| LPG | Dorian LPG |
| EPD | Enterprise Products Partners |