| Symbol | Name | Country | Exchange |
|---|---|---|---|
| CEQP | Crestwood Equity Partners LP | US | NYSE |
| ET | Energy Transfer LP | US | NYSE |
| PXE | PowerShares Dynamic Energy E&P | US | AMEX |
| TRGP | Targa Resources, Inc. | US | NYSE |
| WMB | The Williams Companies Inc | DE | XETRA |
| WMB | The Williams Companies Inc | DE | F |