EOG eog resources, inc. NYSE Oil & Gas Production EQT eqt corporation NYSE Oil & Gas Production EPM evolution petroleum corporation, inc. AMEX Oil & Gas Production SNMP evolve transition infrastructure lp common units representing class b limited liability company interests AMEX Oil & Gas Production XOM exxon mobil corporation NYSE Integrated oil Companies FI fiserv, inc. NYSE Oilfield Services/Equipment FET forum energy technologies, inc. NYSE Metal Fabrications GE ge aerospace NYSE Consumer Electronics/Appliances GEL genesis energy, l.p. common units NYSE Oil Refining/Marketing GPRK geopark ltd common shares NYSE Oil & Gas Production GLP global partners lp global partners lp common units representing limited partner interests NYSE Oil Refining/Marketing GTE gran tierra energy inc. AMEX Oil & Gas Production GPOR gulfport energy corporation common shares NASDAQ Oil & Gas Production HNRG hallador energy company NASDAQ Coal Mining HAL halliburton company NYSE Oilfield Services/Equipment HLX helix energy solutions group, inc. NYSE Oilfield Services/Equipment HP helmerich & payne, inc. NYSE Oil & Gas Production HES hess corporation NYSE Integrated oil Companies HESM hess midstream lp class a representing limited partner interests NYSE Oil & Gas Production HOLI hollysys automation technologies, ltd. NASDAQ Industrial Machinery/Components HUSA houston american energy corporation AMEX Oil & Gas Production IPWR ideal power inc. NASDAQ Industrial Machinery/Components IMO imperial oil limited AMEX Integrated oil Companies ICD independence contract drilling, inc. NYSE Oil & Gas Production ISRL israel acquisitions corp NASDAQ Oil & Gas Production KRP kimbell royalty partners common units representing limited partner interests NYSE Oil & Gas Production PHG koninklijke philips n.v. ny registry shares NYSE Consumer Electronics/Appliances KOS kosmos energy ltd. common shares (de) NYSE Oil & Gas Production LGCY legacy education inc. NASDAQ Oil & Gas Production TUSK mammoth energy services, inc. NASDAQ Oilfield Services/Equipment MRO marathon oil corporation NYSE Oil & Gas Production MPC marathon petroleum corporation NYSE Integrated oil Companies MARPS marine petroleum trust - units of beneficial interest NASDAQ Oil & Gas Production MMLP martin midstream partners l.p. - common units representing limited partnership interests NASDAQ Oil Refining/Marketing MTDR matador resources company NYSE Oil & Gas Production MTR mesa royalty trust NYSE Oil & Gas Production MXC mexco energy corporation AMEX Oil & Gas Production MGEE mge energy inc. NASDAQ Electric Utilities: Central MPLX mplx lp common units representing limited partner interests NYSE Natural Gas Distribution MUR murphy oil corporation NYSE Oil & Gas Production MVO mv oil trust units of beneficial interests NYSE Oil & Gas Production NBR nabors industries ltd. NYSE Oil & Gas Production NGS natural gas services group, inc. NYSE Oilfield Services/Equipment NRP natural resource partners lp limited partnership NYSE Coal Mining NCSM ncs multistage holdings, inc. NASDAQ Oilfield Services/Equipment GBR new concept energy, inc AMEX Oil & Gas Production NR newpark resources, inc. NYSE Metal Fabrications NGL ngl energy partners lp common units representing limited partner interests NYSE Oil Refining/Marketing NE noble corporation plc a ordinary shares NYSE Oil & Gas Production NOA north american construction group ltd. common shares (no par) NYSE Oilfield Services/Equipment