All companies featured: ONEOK Incorporated (NYSE:OKE), NRG Energy Incorporated (NYSE:NRG), NRG Yield Incorporated (NYSE:NYLD.A), Babcock & Wilcox (NYSE:BW), Delta Airlines (NYSE:DAL), Pattern Energy Group (NASDAQ:PEGI), General Electric (NYSE:GE), AK Steel Corporation (NYSE:AKS), Nucor Corporation (NYSE:NUE), United States Steel Corporation (NYSE:X), TimkenSteel (NYSE:TMST), Century Aluminum Company (NASDAQ:CENX)

All companies featured: Sasol Limited (NYSE:SSL), Husky Energy Incorporated (TSX:HSE), Exxon Mobil Corporation (NYSE:XOM), FedEx Corporation (NYSE:FDX), AECOM (NYSE:ACM)

All companies featured: Sempra Energy (NYSE:SRE), Chicago Bridge & Iron Company N.V. (NYSE:CBI), AES Corporation(NYSE:AES), Edison International (NYSE:EIX)

All companies featured: Sasol Limited (NYSE:SSL), Fluor Corporation (NYSE:FLR), BP plc (NYSE:BP)

All companies featured: AT&T Incorporated (NYSE:T), NextEra Energy Incorporated (NYSE:NEE), Apple (NASDAQ:AAPL) , Alphabet (NASDAQ:GOOGL), T-Mobile US Incorporated (NASDAQ:TMUS) , Microsoft (NASDAQ:MSFT), Amazon.com Incorporated (NASDAQ:AMZN), Facebook Incorporated (NASDAQ:FB), General Motors (NYSE:GM), General Mills Incorporated (NYSE:GIS), 3M Company (NYSE:MMM), Johnson & Johnson (NYSE:JNJ), Nike Incorporated (NYSE:NKE), Procter & Gamble Company (NYSE:PG), Marriott International Incorporated (NYSE:MAR), Walmart Incorporated (NYSE:WMT), Alliant Energy Corporation (NYSE:LNT), General Electric (NYSE:GE), Entergy Corporation (NYSE:ETR), Chicago Bridge & Iron Company (NYSE:CBI)

All companies featured: Energy Transfer Partners' (NYSE:ETP), Andeavor Corporation (NYSE:ANDV), PPL Corporation (NYSE:PPL)

All Companies featured: Barrick Gold Corporation (NYSE:ABX), Newmont Mining Corporation (NYSE:NEM), Cheniere Energy Incorporated (NYSE:LNG), Dominion Energy Incorporated (NYSE:D), Chicago Bridge & Iron Company N.V. (NYSE:CBI), McDermott International Incorporated (NYSE:MDR), AES Corporation (NYSE:AES), General Electric (NYSE:GE), Sempra Energy (NYSE:SRE)

All Companies featured: Westlake Chemical Corporation (NYSE:WLK), Chicago Bridge & Iron Company N.V. (NYSE:CBI), Targa Resources Corporation (NYSE:TGRP), Kinder Morgan Incorporated (NYSE:KMI) , DCP Midstream LP (NYSE:DCP), Duke Energy Corporation (NYSE:DUK), Fluor Corporation (NYSE:FLR)

All Companies featured: Total S.A. (NYSE: TOT), Borealis AG, NOVA Chemicals, Otter Tail Corporation (NASDAQ:OTTR), Xcel Energy (NASDAQ:XEL), Chevron Corporation (NYSE:CVX), Ameren Corporation (NYSE:AEE)

All Companies featured: Tennessee Valley Authority (NYSE:TVE), Duke Energy Corporation (NYSE:DUK), Southern Company (NYSE:SO), American Electric Power Company Incorporated (NYSE:AEP), FirstEnergy Corporation (NYSE:FE), Dominion Energy Incorporated (NYSE:D), Enbridge Incorporated (NYSE:ENB), TransCanada Corporation (NYSE:TRP)