All companies featured: Duke Energy Corporation (NYSE:DUK), Chicago Bridge & Iron Company N.V. (NYSE:CBI), Canadian Natural Resources Limited (NYSE:CNQ), Iberdrola S.A. (BMAD:IBE)

All companies featured: NRG Energy Incorporated (NYSE:NRG), ONEOK Incorporated (NYSE:OKE), La-Z-Boy Incorporated (NYSE:LZB), ONEOK Partners (NYSE:OKS), National Grid plc (NYSE:NGG), Siemens (NYSE:SI), Balfour Beatty plc (LSE:BBY)

All companies featured: Babcock & Wilcox Enterprises Incorporated (NYSE:BW), ArcelorMittal (NYSE:MT), Cabot Corporation (NYSE:CBT), Kinder Morgan Incorporated (NYSE:KMI)

All companies featured: Consolidated Edison Development (NYSE:ED), Air Liquide S.A. (EPA:AI), Sasol Limited (NYSE:SSL), NextEra Energy Incorporated (NSYE:NEE)

All companies featured: Public Service Enterprise Group (NYSE:PEG), Sunoco Logistics Partners LP (NYSE:SXL), Calpine Corporation (NYSE:CPN), Energy Transfer Partners (NYSE:ETP)

All companies featured:,Glencore plc, Energy Transfer Partners (NYSE:ETP), AltaGas Limited (TSX:ALA), EnBW (FWB:EBK), Enbridge Incorporated (NYSE:ENB)

All companies featured: Southern Company (NYSE:SO), Kinder Morgan Incorporated (NYSE:KMI), HollyFrontier Corporation (NYSE:HFC)

All companies featured: BHP Billiton plc (NYSE:BHP), Westlake Chemical Corporation (NYSE:WLK), Veresen Incorporated (TSX:VSN)

All companies featured:Enbridge Incorporated (NYSE:ENB), Spectra Energy Corporation (NYSE:SE), Fluor Corporation's (NYSE:FLR)

All companies featured: Wartsila Corporation (OTC:WRTDF), PBF Energy Incorporated (NYSE:PBF), Centrica plc (OTC:CPYYY), WSP Global Incorporated (TSX:WSP), ALLETE Incorporated (NYSE:ALE)