All companies featured: Alcoa Corporation (NYSE:AA)

All companies featured: Tallgrass Energy Partners LP (NYSE:TEP), PBF Energy Incorporated (NYSE:PBF), Williams Companies Incorporated (NYSE:WMB), Spectra Energy Partners LP (NYSE:SEP), Duke Energy Corporation (NYSE:DUK), NextEra Energy Incorporated (NYSE:NEE), Novartis International AG (NYSE:NVS), Amgen (NASDAQ:AMGN)

All companies featured: United States Steel Corporation (NYSE:X), Steel Dynamics Incorporated (NASDAQ/GS:STLD), Nucor Corporation (NYSE:NUE), Praxair Incorporated (NYSE:PX)

All companies featured: Buckeye Partners LP (NYSE:BPL), Phillips 66 (NYSE:PSX), Andeavor (NYSE:ANDV), Magellan Midstream Partners LP (NYSE:MMP), Valero Energy Corporation (NYSE:VLO), Enterprise Products Partners LP (NYSE:EPD), Navigator Holdings plc (NYSE:NVGS), Energy Transfer Partners LP (NYSE:ETP), TransCanada Corporation (NYSE:TRP)

All companies featured: Tallgrass Energy Partners LP (NYSE:TEP), PBF Energy Incorporated (NYSE:PBF), Williams Companies Incorporated (NYSE:WMB), Spectra Energy Partners LP (NYSE:SEP), Duke Energy Corporation (NYSE:DUK), NextEra Energy Incorporated (NYSE:NEE), Novartis International AG (NYSE:NVS), Amgen (NASDAQ:AMGN)

All companies featured: Westlake Chemical Corporation (NYSE:WLK), McDermott International Incorporated (NYSE:MDR), Pattern Energy Group (NASDAQ:PEGI), Babcock & Wilcox Enterprises Incorporated (NYSE:BW), NRG Energy Incorporated (NYSE:NRG), Royal Dutch Shell plc (NYSE:RDS-A) , ArcelorMittal SA (NYSE:MT), AES Corporation (NYSE:AES)

All companies featured: Buckeye Partners LP (NYSE:BPL), Phillips 66 (NYSE:PSX), Andeavor (NYSE:ANDV), Magellan Midstream Partners LP (NYSE:MMP), Valero Energy Corporation (NYSE:VLO), Enterprise Products Partners LP (NYSE:EPD), Navigator Holdings plc (NYSE:NVGS), Energy Transfer Partners LP (NYSE:ETP), TransCanada Corporation (NYSE:TRP)

All companies featured: Southern Company (NYSE:SO), Cheniere Energy Incorporated (NYSE:LNG), Targa Resources Corporation (NYSE:TRGP), DCP Midstream LP (NYSE:DCP), Kinder Morgan Incorporated (NYSE:KMI), Energy Transfer Partners LP (NYSE:ETP)

All companies featured: Westlake Chemical Corporation (NYSE:WLK), McDermott International Incorporated (NYSE:MDR), Pattern Energy Group (NASDAQ:PEGI), Babcock & Wilcox Enterprises Incorporated (NYSE:BW), NRG Energy Incorporated (NYSE:NRG), Royal Dutch Shell plc (NYSE:RDS-A) , ArcelorMittal SA (NYSE:MT), AES Corporation (NYSE:AES)

All companies featured: Plains All American Pipeline LP (NYSE:PAA), Exxon Mobil Corporation (NYSE:XOM), AES Corporation (NYSE:AES), General Electric (NYSE:GE), DCP Midstream LP (NYSE:DPM), Phillips 66 (NYSE:PSX), Kinder Morgan Incorporated (NYSE:KMI), Targa Resources Corporation (NYSE:TRGP)