VOD vodafone group plc - american depositary shares each representing ten ordinary shares NASDAQ Telecommunications Equipment VZ verizon communications inc. NYSE Telecommunications Equipment AEE ameren corporation NYSE Power Generation ALE allete, inc. NYSE Power Generation AVA avista corporation NYSE Power Generation CMS cms energy corporation NYSE Power Generation DUK duke energy corporation (holding company) NYSE Power Generation ED consolidated edison, inc. NYSE Power Generation EXC exelon corporation NYSE Power Generation GNE genie energy ltd. class b stock NYSE Power Generation LNT alliant energy corporation NYSE Power Generation NI nisource inc NYSE Power Generation NWE northwestern energy group, inc. NYSE Power Generation PCG pacific gas & electric co. NYSE Power Generation PEG public service enterprise group incorporated NYSE Power Generation UTL unitil corporation NYSE Power Generation VVPR vivopower international plc - ordinary shares NASDAQ Power Generation WEC wec energy group, inc. NYSE Power Generation XEL xcel energy inc. NYSE Power Generation ATO atmos energy corporation NYSE Oil/Gas Transmission CQP cheniere energy partners, lp common units AMEX Oil/Gas Transmission LNG cheniere energy, inc. AMEX Oil/Gas Transmission NFG national fuel gas company NYSE Oil/Gas Transmission NJR newjersey resources corporation NYSE Oil/Gas Transmission NWN northwest natural holding company NYSE Oil/Gas Transmission OGS one gas, inc. NYSE Oil/Gas Transmission SR spire inc. NYSE Oil/Gas Transmission UGP ultrapar participacoes s.a. (new) american depositary shares (each representing one common share) NYSE Oil/Gas Transmission CPK chesapeake utilities corporation NYSE Oil & Gas Production NEXT nextdecade corporation NASDAQ Oil & Gas Production OKE oneok, inc. NYSE Oil & Gas Production RGCO rgc resources inc. NASDAQ Oil & Gas Production SWX southwest gas holdings, inc. (de) NYSE Oil & Gas Production AM antero midstream corporation NYSE Natural Gas Distribution AROC archrock, inc. NYSE Natural Gas Distribution CLNE clean energy fuels corp. NASDAQ Natural Gas Distribution DM desktop metal, inc. class a NYSE Natural Gas Distribution ENLC enlink midstream, llc common units representing limited partner interests NYSE Natural Gas Distribution EPD enterprise products partners l.p. NYSE Natural Gas Distribution KMI kinder morgan, inc. NYSE Natural Gas Distribution NGG national grid transco, plc national grid plc (new) american depositary shares NYSE Natural Gas Distribution SMLP summit midstream partners, lp common units representing limited partner interests NYSE Natural Gas Distribution SRE dba sempra NYSE Natural Gas Distribution TGS transportadora de gas del sur sa tgs NYSE Natural Gas Distribution TRGP targa resources, inc. NYSE Natural Gas Distribution TRP tc energy corporation NYSE Natural Gas Distribution UGI ugi corporation NYSE Natural Gas Distribution USAC usa compression partners, lp common units representing limited partner interests NYSE Natural Gas Distribution WES western midstream partners, lp common units representing limited partner interests NYSE Natural Gas Distribution WMB williams companies, inc. (the) NYSE Natural Gas Distribution