| Oil & Gas Pipelines | |
| KMI - Kinder Morgan, Inc.
|
EPD - Enterprise Products Partners L.P.
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| MMP - Magellan Midstream Partners L.P.
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PAA - Plains All American Pipeline, L.P.
|
| WMB - Williams Companies, Inc.
|
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| Oil & Gas Drilling & Exploration | |
| HP - Helmerich & Payne, Inc.
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RIG - Transocean Ltd.
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| VAL - Valaris plc
|
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| Oil & Gas Refining | |
| PSX - Phillips 66
|
VLO - Valero Energy Corporation
|
| Oil & Gas Equipment & Services | |
| SLB - Schlumberger Limited
|
HAL - Halliburton Company
|
| NOV - National Oilwell Varco, Inc.
| |
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