| AM | Antero Midstream |
| CEQP | Crestwood Equity Partners LP |
| ENLC | EnLink Midstream, LLC |
| EPD | Enterprise Products Partners |
| ET | Energy Transfer LP |
| GEL | Genesis Energy |
| HEP | Holly Energy Partners |
| MPLX | MPLX LP |
| NS | NuStar Energy |
| PAA | Plains All American Pipeline |
| WES | Western Midstream Partners, LP |