Symbol Grade Name Industry
AAV Advantage Oil & Gas Ltd Oil & Gas Exploration and Production
AE Adams Resources & Energy, Inc. Petroleum Product Wholesale
AHGP Alliance Holdings GP, L.P. - Coal
AM Antero Midstream Partners LP Natural Gas Pipeline
AMGP Antero Midstream GP LP Oil Related Services and Equipment
AMID American Midstream Partners, LP Oil & Gas Refining and Marketing
AMRC Ameresco, Inc. Renewable Energy Services
AMTX Aemetis, Inc Ethanol Fuels
ANDV Andeavor Oil & Gas Refining and Marketing
ANDX Andeavor Logistics LP Oil & Gas Transportation Services
ANW Aegean Marine Petroleum Network Inc. Oil & Gas Refining and Marketing
APA Apache Corporation Oil & Gas Exploration and Production
APC Anadarko Petroleum Corporation Oil & Gas Exploration and Production
APLP Archrock Partners, L.P. Oil Related Services and Equipment
APU AmeriGas Partners, L.P. Oil & Gas Refining and Marketing
AR Antero Resources Corporation Oil & Gas Exploration and Production
AREX Approach Resources Inc. Oil & Gas Exploration and Production
ARLP Alliance Resource Partners, L.P. - Coal
AROC Archrock, Inc. Oil Related Services and Equipment
AXAS Abraxas Petroleum Corporation Oil & Gas Exploration and Production
BBG Bill Barrett Corporation Oil & Gas Exploration and Production
BCEI Bonanza Creek Energy, Inc. Oil Exploration & Production - Onshore
BHGE Baker Hughes, a GE company Oil Related Services and Equipment
BKEP Blueknight Energy Partners L.P., L.L.C. Oil & Gas Transportation Services
BLDP Ballard Power Systems, Inc. Renewable Energy Equipment & Services
BP BP p.l.c. Oil & Gas Refining and Marketing
BPL Buckeye Partners L.P. Oil & Gas Transportation Services
BPMP BP Midstream Partners LP Oil & Gas Transportation Services
BPT BP Prudhoe Bay Royalty Trust Petroleum Refining
BRN Barnwell Industries, Inc. Oil & Gas Exploration and Production
BRS Bristow Group Inc. Oil Related Services and Equipment
BSM Black Stone Minerals, L.P. Oil & Gas Exploration and Production
BTE Baytex Energy Corp Oil & Gas Exploration and Production
BWEN Broadwind Energy, Inc. Wind Systems & Equipment
BWP Boardwalk Pipeline Partners LP Natural Gas Pipeline
BXE Bellatrix Exploration Oil & Gas Exploration and Production
CAPL CrossAmerica Partners LP Petroleum Product Wholesale
CCJ Cameco Corporation Uranium
CCLP CSI Compressco LP Oil Related Services and Equipment
CCR CONSOL Coal Resources LP Coal
CDEV Centennial Resource Development, Inc. Integrated Oil & Gas
CEI Camber Energy, Inc. Oil Exploration & Production - Onshore
CELP Cypress Energy Partners, L.P. Oil Related Services
CEO CNOOC Limited Oil & Gas Exploration and Production
CEQP Crestwood Equity Partners LP Oil & Gas Refining and Marketing
CGG CGG Oil Related Services
CHK Chesapeake Energy Corporation Oil & Gas Exploration and Production
CHKR Chesapeake Granite Wash Trust Oil & Gas Exploration and Production
CHNR China Natural Resources, Inc. Coal
CIR CIRCOR International, Inc. Oil Related Equipment
CKH SEACOR Holdings Inc. Oil Related Services
CKX CKX Lands, Inc. Oil & Gas Exploration and Production
CLB Core Laboratories N.V. Oil Related Services and Equipment
CLD Cloud Peak Energy Inc Coal
CLMT Calumet Specialty Products Partners, L.P. Petroleum Refining
CLNE Clean Energy Fuels Corp. Oil & Gas Refining and Marketing
CLR Continental Resources, Inc. Oil & Gas Exploration and Production
CNQ Canadian Natural Resources Limited Oil & Gas Exploration and Production
CNX CONSOL Energy Inc. Coal
CNXM CNX Midstream Partners LP Natural Gas Pipeline
COG Cabot Oil & Gas Corporation Oil & Gas Exploration and Production
COP ConocoPhillips Oil & Gas Exploration and Production
CPE Callon Petroleum Company Oil & Gas Exploration and Production
CQH Cheniere Energy Partners LP Holdings, LLC LNG Transportation & Storage
CQP Cheniere Energy Partners, LP Oil & Gas Transportation Services
CRC California Resources Corporation Oil & Gas Exploration and Production
CRK Comstock Resources, Inc. Oil & Gas Exploration and Production
CRR Carbo Ceramics, Inc. Oil Related Services and Equipment
CRZO Carrizo Oil & Gas, Inc. Oil & Gas Exploration and Production
CSIQ Canadian Solar Inc. Photovoltaic Solar Systems & Equipment
CVE Cenovus Energy Inc Oil & Gas Refining and Marketing
CVI CVR Energy Inc. Petroleum Refining
CVRR CVR Refining, LP Oil & Gas Refining and Marketing
CVX Chevron Corporation Petroleum Refining
CXO Concho Resources Inc. Oil & Gas Exploration and Production
CZZ Cosan Limited Oil & Gas Refining and Marketing
DCP DCP Midstream, LP Natural Gas Pipeline
DHT DHT Holdings, Inc. Sea-Borne Tankers
DK Delek US Holdings, Inc. Petroleum Refining
DKL Delek Logistics Partners, L.P. Oil & Gas Transportation Services
DLNG Dynagas LNG Partners LP LNG Transportation & Storage
DM Dominion Midstream Partners, LP LNG Transportation & Storage
DNN Denison Mines Corp Uranium Mining
DNR Denbury Resources Inc. Oil & Gas Exploration and Production
DO Diamond Offshore Drilling, Inc. Oil & Gas Drilling
DQ Daqo New Energy Corp. Photovoltaic Solar Systems & Equipment
DRQ Dril-Quip, Inc. Oil Related Equipment
DVN Devon Energy Corporation Oil & Gas Exploration and Production
DWSN Dawson Geophysical Company Oil Related - Surveying & Mapping Services
E ENI S.p.A. Integrated Oil & Gas
EC Ecopetrol S.A. Integrated Oil & Gas
ECA Encana Corporation Oil & Gas Exploration and Production
ECR Eclipse Resources Corporation Oil & Gas Exploration and Production
ECT ECA Marcellus Trust I Oil & Gas Exploration and Production
EEP Enbridge Energy, L.P. Class A Oil & Gas Transportation Services
EEQ Enbridge Energy Management LLC Oil & Gas Transportation Services
EGC Energy XXI Gulf Coast, Inc. Oil & Gas Exploration and Production
EGN Energen Corporation Oil & Gas Exploration and Production
EGY Vaalco Energy Inc Oil & Gas Exploration and Production
EMES Emerge Energy Services LP Oil Related Services and Equipment
ENB Enbridge Inc Oil & Gas Transportation Services
ENBL Enable Midstream Partners, LP Oil & Gas Transportation Services
ENLC EnLink Midstream, LLC Oil & Gas Transportation Services
ENLK EnLink Midstream Partners, LP Oil & Gas Transportation Services
ENPH Enphase Energy, Inc. Photovoltaic Solar Systems & Equipment
ENSV Enservco Corporation Oil Related Services and Equipment
EOG EOG Resources, Inc. Oil & Gas Exploration and Production
EPD Enterprise Products Partners L.P. Oil & Gas Transportation Services
EPE EP Energy Corporation Oil & Gas Exploration and Production
EPM Evolution Petroleum Corporation, Inc. Oil Exploration & Production - Onshore
EQGP EQT GP Holdings, LP Oil & Gas Exploration and Production
EQM EQT Midstream Partners, LP Oil & Gas Transportation Services
EQT EQT Corporation Oil & Gas Exploration and Production
ERF Enerplus Corporation Oil & Gas Exploration and Production
ERN Erin Energy Corp. Oil & Gas Exploration and Production
ESES Eco-Stim Energy Solutions, Inc. Oil Related Services and Equipment
ESTE Earthstone Energy, Inc. Oil & Gas Exploration and Production
ESV Ensco plc Oil & Gas Drilling
ETE Energy Transfer Equity, L.P. Natural Gas Pipeline
ETP Energy Transfer Partners, L.P. Oil & Gas Transportation Services
EVA Enviva Partners, LP Biomass & Biogas Fuels
EVEP EV Energy Partners, L.P. Oil & Gas Exploration and Production
EXTN Exterran Corporation Oil Related Services and Equipment
FANG Diamondback Energy, Inc. Oil & Gas Exploration and Production
FCEL FuelCell Energy, Inc. Renewable Energy Equipment & Services
FELP Foresight Energy LP Coal
FET Forum Energy Technologies, Inc. Oil Related Services and Equipment
FF FutureFuel Corp. Biodiesel
FGP Ferrellgas Partners, L.P. Oil Related Services and Equipment
FI Frank's International N.V. Oil Related Services and Equipment
FMSA FMSA Holdings Inc. Oil Related Services and Equipment
FRAC Keane Group, Inc. Oil Related Services
FRO Frontline Ltd. Oil & Gas Transportation Services
FSLR First Solar, Inc. Photovoltaic Solar Systems & Equipment
FTK Flotek Industries, Inc. Oil Related Services and Equipment
GBR New Concept Energy, Inc Oil & Gas Exploration and Production
GEL Genesis Energy, L.P. Oil & Gas Transportation Services
GEOS Geospace Technologies Corporation Oil Related Services and Equipment
GEVO Gevo, Inc. Renewable Fuels
GIFI Gulf Island Fabrication, Inc. Oil Related Services and Equipment
GLNG Golar LNG Limited LNG Transportation & Storage
GLOG GasLog Ltd. LNG Transportation & Storage
GLOP GasLog Partners LP LNG Transportation & Storage
GLP Global Partners LP Global Partners LP Petroleum Product Wholesale
GMLP Golar LNG Partners LP LNG Transportation & Storage
GNRT Gener8 Maritime, Inc. Sea-Borne Tankers
GPOR Gulfport Energy Corporation Oil & Gas Exploration and Production
GPP Green Plains Partners LP Renewable Fuels
GPRE Green Plains Renewable Energy, Inc. Ethanol Fuels
HAL Halliburton Company Oil Related Services and Equipment
HEP Holly Energy Partners, L.P. Oil Pipeline
HES Hess Corporation Oil & Gas Refining and Marketing
HESM Hess Midstream Partners LP LNG Transportation & Storage
HFC HollyFrontier Corporation Petroleum Refining
HGT Hugoton Royalty Trust Oil & Gas Exploration and Production
HLX Helix Energy Solutions Group, Inc. Oil Related Services and Equipment
HMLP Hoegh LNG Partners LP Sea-Borne Tankers
HNRG Hallador Energy Company Coal
HP Helmerich & Payne, Inc. Oil & Gas Drilling
HQCL Hanwha Q CELLS Co., Ltd. Renewable Energy Equipment & Services
HUSA Houston American Energy Corporation Oil & Gas Exploration and Production
IMO Imperial Oil Limited Oil & Gas Refining and Marketing
INT World Fuel Services Corporation Petroleum Product Wholesale
IO Ion Geophysical Corporation Oil Related Services and Equipment
IPWR Ideal Power Inc. Renewable Energy Equipment & Services
ISRL Isramco, Inc. Oil & Gas Exploration and Production
JAG Jagged Peak Energy Inc. Unconventional Oil & Gas Drilling
JASO JA Solar Holdings, Co., Ltd. Renewable Energy Equipment & Services
JKS JinkoSolar Holding Company Limited Photovoltaic Solar Systems & Equipment
JONE Jones Energy, Inc. Oil & Gas Exploration and Production
KMI Kinder Morgan, Inc. Oil & Gas Transportation Services
KNOP KNOT Offshore Partners LP Sea-Borne Tankers
KOS Kosmos Energy Ltd. Oil & Gas Exploration and Production
KRP Kimbell Royalty Partners Integrated Oil & Gas
LGCY Legacy Reserves LP Oil & Gas Exploration and Production
LGCYO Legacy Reserves LP - 8.00% Series B Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units Oil & Gas Exploration and Production
LGCYP Legacy Reserves LP - 8% Series A Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units Oil & Gas Exploration and Production
LLEX Lilis Energy, Inc. Oil & Gas Exploration and Production
LNG Cheniere Energy, Inc. LNG Transportation & Storage
LPG Dorian LPG Ltd. Sea-Borne Tankers
LPI Laredo Petroleum Holdings, Inc. Oil & Gas Exploration and Production
MCEP Mid-Con Energy Partners, LP Oil & Gas Exploration and Production
MCF Contango Oil & Gas Company Oil & Gas Exploration and Production
MDR McDermott International, Inc. Oil Related Services and Equipment
MIND Mitcham Industries, Inc. Oil Related Services and Equipment
MMP Magellan Midstream Partners L.P. Limited Partnership Oil & Gas Transportation Services
MNGA MagneGas Corporation] Hydrogen Fuel
MPC Marathon Petroleum Corporation Oil & Gas Refining and Marketing
MPLX MPLX LP Oil & Gas Transportation Services
MRO Marathon Oil Corporation Oil & Gas Exploration and Production
MTDR Matador Resources Company Oil & Gas Exploration and Production
MTR Mesa Royalty Trust Oil & Gas Exploration and Production
MTRX Matrix Service Company Oil Related Services and Equipment
MUR Murphy Oil Corporation Oil & Gas Exploration and Production
MUSA Murphy USA Inc. Gasoline stations
MVO MV Oil Trust Units of Beneficial Interests Oil & Gas Exploration and Production
MXC Mexco Energy Corporation Oil & Gas Exploration and Production
NAT Nordic American Tankers Limited Sea-Borne Tankers
NBL Noble Energy Inc. Oil & Gas Exploration and Production
NBLX Noble Midstream Partners LP Oil & Gas Transportation Services
NBR Nabors Industries Ltd. Oil & Gas Drilling
NCSM NCS Multistage Holdings, Inc. Oil Related Services and Equipment
NDRO Enduro Royalty Trust Trust Units Oil & Gas Exploration and Production
NFX Newfield Exploration Company Oil & Gas Exploration and Production
NGL NGL Energy Partners LP Oil & Gas Refining and Marketing
NGS Natural Gas Services Group, Inc. Oil Related Equipment
NOA North American Energy Partners, Inc. Oil Related Services
NOG Northern Oil and Gas, Inc. Oil & Gas Exploration and Production
NOV National Oilwell Varco, Inc. Oil Related Services and Equipment
NR Newpark Resources, Inc. Oil Related Services and Equipment
NRP Natural Resource Partners LP Limited Partnership Coal
NRT North European Oil Royality Trust Oil & Gas Exploration and Production
NS Nustar Energy L.P. Oil Pipeline
NSH Nustar GP Holdings, LLC Units Oil Pipeline
NVGS Navigator Holdings Ltd. LNG Transportation & Storage
OAS Oasis Petroleum Inc. Unconventional Oil & Gas Production
OBE Obsidian Energy Ltd. Oil Exploration & Production - Onshore
OII Oceaneering International, Inc. Oil Related Services and Equipment
OIS Oil States International, Inc. Oil Related Equipment
OKE ONEOK, Inc. Oil & Gas Transportation Services
OMP Oasis Midstream Partners LP Oil Related Services and Equipment
OXY Occidental Petroleum Corporation Oil & Gas Exploration and Production
PAA Plains All American Pipeline, L.P. Oil & Gas Transportation Services
PAGP Plains Group Holdings, L.P. Oil & Gas Transportation Services
PBA Pembina Pipeline Corp. Oil & Gas Transportation Services
PBF PBF Energy Inc. Oil & Gas Refining and Marketing
PBFX PBF Logistics LP Oil & Gas Transportation Services
PBR Petroleo Brasileiro S.A.- Petrobras Integrated Oil & Gas
PBR.A Petroleo Brasileiro S.A.- Petrobras Integrated Oil & Gas
PDCE PDC Energy, Inc. Oil & Gas Exploration and Production
PDS Precision Drilling Corporation Oil & Gas Drilling
PE Parsley Energy, Inc. Oil & Gas Exploration and Production
PEIX Pacific Ethanol, Inc. Ethanol Fuels
PER SandRidge Permian Trust Oil & Gas Exploration and Production
PES Pioneer Energy Services Corp. Oil & Gas Drilling
PFIE Profire Energy, Inc. Oil Related Services
PGH Pengrowth Energy Corporation Oil & Gas Exploration and Production
PHII PHI, Inc. - Voting Oil Related Services and Equipment
PHIIK PHI, Inc. - Non-Voting Oil Related Services and Equipment
PHX Panhandle Oil and Gas Inc Oil & Gas Exploration and Production
PKD Parker Drilling Company Oil & Gas Drilling
PLUG Plug Power, Inc. Stationary Fuel Cells
PNRG PrimeEnergy Corporation Oil & Gas Exploration and Production
PQ Petroquest Energy Inc Oil & Gas Exploration and Production
PSX Phillips 66 Oil & Gas Refining and Marketing
PSXP Phillips 66 Partners LP Oil & Gas Transportation Services
PTEN Patterson-UTI Energy, Inc. Oil & Gas Drilling
PTR PetroChina Company Limited Integrated Oil & Gas
PUMP ProPetro Holding Corp. Oil Related Services and Equipment
PXD Pioneer Natural Resources Company Oil & Gas Exploration and Production
PZE Petrobras Argentina S.A. ADS Integrated Oil & Gas
QEP QEP Resources, Inc. Integrated Oil & Gas
RCON Recon Technology, Ltd. Oil Related Services and Equipment
RDC Rowan Companies plc Oil & Gas Drilling
RDS.A Royal Dutch Shell PLC Class A Integrated Oil & Gas
RDS.B Royal Dutch Shell PLC Royal Dutch Shell PLC Class B Integrated Oil & Gas
REGI Renewable Energy Group, Inc. Biomass & Biogas Fuels
REN Resolute Energy Corporation Oil Exploration & Production - Onshore
RES RPC, Inc. Oil Related Services and Equipment
REX REX American Resources Corporation Ethanol Fuels
REXX Rex Energy Corporation Oil & Gas Exploration and Production
RIG Transocean Ltd (Switzerland) Oil & Gas Drilling
RMP Rice Midstream Partners LP LNG Transportation & Storage
RNET RigNet, Inc. Oil Related Services
RNGR Ranger Energy Services, Inc. Oil Related Services and Equipment
ROSE Rosehill Resources Inc. Oil & Gas Exploration and Production
ROYT Pacific Coast Oil Trust Units of Beneficial Interest Oil & Gas Exploration and Production
RRC Range Resources Corporation Oil & Gas Exploration and Production
RSPP RSP Permian, Inc. Oil & Gas Exploration and Production
RUN Sunrun Inc. Renewable Energy Equipment & Services
SBR Sabine Royalty Trust Oil & Gas Exploration and Production
SDLP Seadrill Partners LLC Oil Drilling - Offshore
SDR SandRidge Mississippian Trust II Oil & Gas Exploration and Production
SDRL Seadrill Oil & Gas Drilling
SDT SandRidge Mississippian Trust Oil & Gas Exploration and Production
SEDG SolarEdge Technologies, Inc. Photovoltaic Solar Systems & Equipment
SEMG Semgroup Corporation Oil & Gas Transportation Services
SEP Spectra Energy Partners, LP Oil & Gas Transportation Services
SES Synthesis Energy Systems, Inc. Renewable Energy Equipment & Services
SFL Ship Finance International Limited Oil & Gas Transportation Services
SGU Star Gas Partners, L.P. Oil & Gas Refining and Marketing
SHI SINOPEC Shangai Petrochemical Company, Ltd. Petroleum Refining
SHLX Shell Midstream Partners, L.P. Oil & Gas Transportation Services
SJT San Juan Basin Royalty Trust Oil & Gas Exploration and Production
SLB Schlumberger N.V. Oil Related Services and Equipment
SM SM Energy Company Oil & Gas Exploration and Production
SMLP Summit Midstream Partners, LP Oil & Gas Transportation Services
SN Sanchez Energy Corporation Oil & Gas Exploration and Production
SNMP Sanchez Midstream Partners LP Natural Gas Exploration & Production - Onshore
SNP China Petroleum & Chemical Corporation Oil & Gas Refining and Marketing
SOI Solaris Oilfield Infrastructure, Inc. Oil Related Services and Equipment
SOL Renesola Ltd. Renewable Energy Equipment & Services
SPH Suburban Propane Partners, L.P. Oil & Gas Refining and Marketing
SPI SPI Energy Co., Ltd. Photovoltaic Solar Systems & Equipment
SPN Superior Energy Services, Inc. Oil Related Services and Equipment
SPWR SunPower Corporation Photovoltaic Solar Systems & Equipment
SRCI SRC Energy Inc. Oil & Gas Exploration and Production
SRLP Sprague Resources LP Oil & Gas Refining and Marketing
SSL Sasol Ltd. Oil & Gas Refining and Marketing
STNG Scorpio Tankers Inc. Sea-Borne Tankers
STO Statoil ASA Integrated Oil & Gas
SU Suncor Energy Inc. Oil & Gas Refining and Marketing
SUN Sunoco LP Petroleum Product Wholesale
SUNW Sunworks, Inc. Photovoltaic Solar Systems & Equipment
SWN Southwestern Energy Company Oil & Gas Exploration and Production
SXE Southcross Energy Partners, L.P. Oil & Gas Transportation Services
TA TravelCenters of America LLC Gasoline stations
TAT TransAtlantic Petroleum Ltd Oil & Gas Exploration and Production
TCP TC PipeLines, LP Natural Gas Pipeline
TDW Tidewater Inc. Oil Related Services and Equipment
TEGP Tallgrass Energy GP, LP Oil & Gas Transportation Services
TELL Tellurian Inc. Oil & Gas Exploration and Production
TEP Tallgrass Energy Partners, LP Oil & Gas Transportation Services
TGA Transglobe Energy Corp Oil & Gas Exploration and Production
TGC Tengasco, Inc. Oil & Gas Exploration and Production
TGEN Tecogen Inc Renewable Energy Equipment & Services
TGP Teekay LNG Partners L.P. LNG Transportation & Storage
TGS Transportadora de Gas del Sur SA TGS Oil & Gas Exploration and Production
TK Teekay Corporation Sea-Borne Tankers
TLP Transmontaigne Partners L.P. Transmontaigne Partners L.P. Oil Pipeline
TNK Teekay Tankers Ltd. Oil & Gas Transportation Services
TOO Teekay Offshore Partners L.P. Oil & Gas Transportation Services
TOT Total S.A. Integrated Oil & Gas
TPIC TPI Composites, Inc. Wind Systems & Equipment
TPL Texas Pacific Land Trust Oil & Gas Exploration and Production
TRCH Torchlight Energy Resources, Inc. Oil & Gas Exploration and Production
TRGP Targa Resources, Inc. Oil & Gas Transportation Services
TRP TransCanada Corporation Oil & Gas Transportation Services
TS Tenaris S.A. Oil Related Equipment
TTI Tetra Technologies, Inc. Oil Related Services and Equipment
TUSK Mammoth Energy Services, Inc. Oil & Gas Drilling
UAVS AgEagle Aerial Systems, Inc. Common Stock Oil Exploration & Production - Onshore
UEC Uranium Energy Corp. Uranium
UGP Ultrapar Participacoes S.A. Gasoline stations
UNT Unit Corporation Oil & Gas Exploration and Production
URG Ur Energy Inc Uranium Mining
USAC USA Compression Partners, LP Oil Related Services and Equipment
UUUU Energy Fuels Inc Uranium Mining
VET Vermilion Energy Inc. Oil & Gas Exploration and Production
VLO Valero Energy Corporation Oil & Gas Refining and Marketing
VLP Valero Energy Partners LP Oil & Gas Transportation Services
VNOM Viper Energy Partners LP Oil & Gas Exploration and Production
VOC VOC Energy Trust Units of Beneficial Interest Integrated Oil & Gas
WES Western Gas Partners, LP Limited Partner Interests Oil & Gas Refining and Marketing
WG Willbros Group, Inc. (DE) Oil Related Services
WGP Western Gas Equity Partners, LP Oil & Gas Refining and Marketing
WLB Westmoreland Coal Company Coal
WLL Whiting Petroleum Corporation Oil & Gas Exploration and Production
WMB Williams Companies, Inc. (The) Oil & Gas Transportation Services
WMLP Westmoreland Resource Partners, LP Coal
WPX WPX Energy, Inc. Oil & Gas Exploration and Production
WPXP WPX Energy, Inc. 6.25% Series A Mandatory Convertible Preferred Stock Oil & Gas Exploration and Production
WPZ Williams Partners L.P. Oil & Gas Exploration and Production
WRD WildHorse Resource Development Corporation Oil & Gas Exploration and Production
WTI W&T Offshore, Inc. Oil & Gas Exploration and Production
WTTR Select Energy Services, Inc. Oil Related Services
WWR Westwater Resources, Inc. Uranium Mining
XEC Cimarex Energy Co Oil & Gas Exploration and Production
XOG Extraction Oil & Gas, Inc. Oil & Gas Exploration and Production
XOM Exxon Mobil Corporation Oil & Gas Refining and Marketing
YGE Yingli Green Energy Holding Company Limited ADR Renewable Energy Equipment & Services
YPF YPF Sociedad Anonima Integrated Oil & Gas
ZN Zion Oil & Gas Inc Oil & Gas Exploration and Production
Symbol Grade Name Industry
AAV Advantage Oil & Gas Ltd Oil & Gas Exploration and Production
AE Adams Resources & Energy, Inc. Petroleum Product Wholesale
AHGP Alliance Holdings GP, L.P. - Coal
AM Antero Midstream Partners LP Natural Gas Pipeline
AMGP Antero Midstream GP LP Oil Related Services and Equipment
AMID American Midstream Partners, LP Oil & Gas Refining and Marketing
AMRC Ameresco, Inc. Renewable Energy Services
AMTX Aemetis, Inc Ethanol Fuels
ANDV Andeavor Oil & Gas Refining and Marketing
ANDX Andeavor Logistics LP Oil & Gas Transportation Services
ANW Aegean Marine Petroleum Network Inc. Oil & Gas Refining and Marketing
APA Apache Corporation Oil & Gas Exploration and Production
APC Anadarko Petroleum Corporation Oil & Gas Exploration and Production
APLP Archrock Partners, L.P. Oil Related Services and Equipment
APU AmeriGas Partners, L.P. Oil & Gas Refining and Marketing
AR Antero Resources Corporation Oil & Gas Exploration and Production
AREX Approach Resources Inc. Oil & Gas Exploration and Production
ARLP Alliance Resource Partners, L.P. - Coal
AROC Archrock, Inc. Oil Related Services and Equipment
AXAS Abraxas Petroleum Corporation Oil & Gas Exploration and Production
BBG Bill Barrett Corporation Oil & Gas Exploration and Production
BCEI Bonanza Creek Energy, Inc. Oil Exploration & Production - Onshore
BHGE Baker Hughes, a GE company Oil Related Services and Equipment
BKEP Blueknight Energy Partners L.P., L.L.C. Oil & Gas Transportation Services
BLDP Ballard Power Systems, Inc. Renewable Energy Equipment & Services
BP BP p.l.c. Oil & Gas Refining and Marketing
BPL Buckeye Partners L.P. Oil & Gas Transportation Services
BPMP BP Midstream Partners LP Oil & Gas Transportation Services
BPT BP Prudhoe Bay Royalty Trust Petroleum Refining
BRN Barnwell Industries, Inc. Oil & Gas Exploration and Production
BRS Bristow Group Inc. Oil Related Services and Equipment
BSM Black Stone Minerals, L.P. Oil & Gas Exploration and Production
BTE Baytex Energy Corp Oil & Gas Exploration and Production
BWEN Broadwind Energy, Inc. Wind Systems & Equipment
BWP Boardwalk Pipeline Partners LP Natural Gas Pipeline
BXE Bellatrix Exploration Oil & Gas Exploration and Production
CAPL CrossAmerica Partners LP Petroleum Product Wholesale
CCJ Cameco Corporation Uranium
CCLP CSI Compressco LP Oil Related Services and Equipment
CCR CONSOL Coal Resources LP Coal
CDEV Centennial Resource Development, Inc. Integrated Oil & Gas
CEI Camber Energy, Inc. Oil Exploration & Production - Onshore
CELP Cypress Energy Partners, L.P. Oil Related Services
CEO CNOOC Limited Oil & Gas Exploration and Production
CEQP Crestwood Equity Partners LP Oil & Gas Refining and Marketing
CGG CGG Oil Related Services
CHK Chesapeake Energy Corporation Oil & Gas Exploration and Production
CHKR Chesapeake Granite Wash Trust Oil & Gas Exploration and Production
CHNR China Natural Resources, Inc. Coal
CIR CIRCOR International, Inc. Oil Related Equipment
CKH SEACOR Holdings Inc. Oil Related Services
CKX CKX Lands, Inc. Oil & Gas Exploration and Production
CLB Core Laboratories N.V. Oil Related Services and Equipment
CLD Cloud Peak Energy Inc Coal
CLMT Calumet Specialty Products Partners, L.P. Petroleum Refining
CLNE Clean Energy Fuels Corp. Oil & Gas Refining and Marketing
CLR Continental Resources, Inc. Oil & Gas Exploration and Production
CNQ Canadian Natural Resources Limited Oil & Gas Exploration and Production
CNX CONSOL Energy Inc. Coal
CNXM CNX Midstream Partners LP Natural Gas Pipeline
COG Cabot Oil & Gas Corporation Oil & Gas Exploration and Production
COP ConocoPhillips Oil & Gas Exploration and Production
CPE Callon Petroleum Company Oil & Gas Exploration and Production
CQH Cheniere Energy Partners LP Holdings, LLC LNG Transportation & Storage
CQP Cheniere Energy Partners, LP Oil & Gas Transportation Services
CRC California Resources Corporation Oil & Gas Exploration and Production
CRK Comstock Resources, Inc. Oil & Gas Exploration and Production
CRR Carbo Ceramics, Inc. Oil Related Services and Equipment
CRZO Carrizo Oil & Gas, Inc. Oil & Gas Exploration and Production
CSIQ Canadian Solar Inc. Photovoltaic Solar Systems & Equipment
CVE Cenovus Energy Inc Oil & Gas Refining and Marketing
CVI CVR Energy Inc. Petroleum Refining
CVRR CVR Refining, LP Oil & Gas Refining and Marketing
CVX Chevron Corporation Petroleum Refining
CXO Concho Resources Inc. Oil & Gas Exploration and Production
CZZ Cosan Limited Oil & Gas Refining and Marketing
DCP DCP Midstream, LP Natural Gas Pipeline
DHT DHT Holdings, Inc. Sea-Borne Tankers
DK Delek US Holdings, Inc. Petroleum Refining
DKL Delek Logistics Partners, L.P. Oil & Gas Transportation Services
DLNG Dynagas LNG Partners LP LNG Transportation & Storage
DM Dominion Midstream Partners, LP LNG Transportation & Storage
DNN Denison Mines Corp Uranium Mining
DNR Denbury Resources Inc. Oil & Gas Exploration and Production
DO Diamond Offshore Drilling, Inc. Oil & Gas Drilling
DQ Daqo New Energy Corp. Photovoltaic Solar Systems & Equipment
DRQ Dril-Quip, Inc. Oil Related Equipment
DVN Devon Energy Corporation Oil & Gas Exploration and Production
DWSN Dawson Geophysical Company Oil Related - Surveying & Mapping Services
E ENI S.p.A. Integrated Oil & Gas
EC Ecopetrol S.A. Integrated Oil & Gas
ECA Encana Corporation Oil & Gas Exploration and Production
ECR Eclipse Resources Corporation Oil & Gas Exploration and Production
ECT ECA Marcellus Trust I Oil & Gas Exploration and Production
EEP Enbridge Energy, L.P. Class A Oil & Gas Transportation Services
EEQ Enbridge Energy Management LLC Oil & Gas Transportation Services
EGC Energy XXI Gulf Coast, Inc. Oil & Gas Exploration and Production
EGN Energen Corporation Oil & Gas Exploration and Production
EGY Vaalco Energy Inc Oil & Gas Exploration and Production
EMES Emerge Energy Services LP Oil Related Services and Equipment
ENB Enbridge Inc Oil & Gas Transportation Services
ENBL Enable Midstream Partners, LP Oil & Gas Transportation Services
ENLC EnLink Midstream, LLC Oil & Gas Transportation Services
ENLK EnLink Midstream Partners, LP Oil & Gas Transportation Services
ENPH Enphase Energy, Inc. Photovoltaic Solar Systems & Equipment
ENSV Enservco Corporation Oil Related Services and Equipment
EOG EOG Resources, Inc. Oil & Gas Exploration and Production
EPD Enterprise Products Partners L.P. Oil & Gas Transportation Services
EPE EP Energy Corporation Oil & Gas Exploration and Production
EPM Evolution Petroleum Corporation, Inc. Oil Exploration & Production - Onshore
EQGP EQT GP Holdings, LP Oil & Gas Exploration and Production
EQM EQT Midstream Partners, LP Oil & Gas Transportation Services
EQT EQT Corporation Oil & Gas Exploration and Production
ERF Enerplus Corporation Oil & Gas Exploration and Production
ERN Erin Energy Corp. Oil & Gas Exploration and Production
ESES Eco-Stim Energy Solutions, Inc. Oil Related Services and Equipment
ESTE Earthstone Energy, Inc. Oil & Gas Exploration and Production
ESV Ensco plc Oil & Gas Drilling
ETE Energy Transfer Equity, L.P. Natural Gas Pipeline
ETP Energy Transfer Partners, L.P. Oil & Gas Transportation Services
EVA Enviva Partners, LP Biomass & Biogas Fuels
EVEP EV Energy Partners, L.P. Oil & Gas Exploration and Production
EXTN Exterran Corporation Oil Related Services and Equipment
FANG Diamondback Energy, Inc. Oil & Gas Exploration and Production
FCEL FuelCell Energy, Inc. Renewable Energy Equipment & Services
FELP Foresight Energy LP Coal
FET Forum Energy Technologies, Inc. Oil Related Services and Equipment
FF FutureFuel Corp. Biodiesel
FGP Ferrellgas Partners, L.P. Oil Related Services and Equipment
FI Frank's International N.V. Oil Related Services and Equipment
FMSA FMSA Holdings Inc. Oil Related Services and Equipment
FRAC Keane Group, Inc. Oil Related Services
FRO Frontline Ltd. Oil & Gas Transportation Services
FSLR First Solar, Inc. Photovoltaic Solar Systems & Equipment
FTK Flotek Industries, Inc. Oil Related Services and Equipment
GBR New Concept Energy, Inc Oil & Gas Exploration and Production
GEL Genesis Energy, L.P. Oil & Gas Transportation Services
GEOS Geospace Technologies Corporation Oil Related Services and Equipment
GEVO Gevo, Inc. Renewable Fuels
GIFI Gulf Island Fabrication, Inc. Oil Related Services and Equipment
GLNG Golar LNG Limited LNG Transportation & Storage
GLOG GasLog Ltd. LNG Transportation & Storage
GLOP GasLog Partners LP LNG Transportation & Storage
GLP Global Partners LP Global Partners LP Petroleum Product Wholesale
GMLP Golar LNG Partners LP LNG Transportation & Storage
GNRT Gener8 Maritime, Inc. Sea-Borne Tankers
GPOR Gulfport Energy Corporation Oil & Gas Exploration and Production
GPP Green Plains Partners LP Renewable Fuels
GPRE Green Plains Renewable Energy, Inc. Ethanol Fuels
HAL Halliburton Company Oil Related Services and Equipment
HEP Holly Energy Partners, L.P. Oil Pipeline
HES Hess Corporation Oil & Gas Refining and Marketing
HESM Hess Midstream Partners LP LNG Transportation & Storage
HFC HollyFrontier Corporation Petroleum Refining
HGT Hugoton Royalty Trust Oil & Gas Exploration and Production
HLX Helix Energy Solutions Group, Inc. Oil Related Services and Equipment
HMLP Hoegh LNG Partners LP Sea-Borne Tankers
HNRG Hallador Energy Company Coal
HP Helmerich & Payne, Inc. Oil & Gas Drilling
HQCL Hanwha Q CELLS Co., Ltd. Renewable Energy Equipment & Services
HUSA Houston American Energy Corporation Oil & Gas Exploration and Production
IMO Imperial Oil Limited Oil & Gas Refining and Marketing
INT World Fuel Services Corporation Petroleum Product Wholesale
IO Ion Geophysical Corporation Oil Related Services and Equipment
IPWR Ideal Power Inc. Renewable Energy Equipment & Services
ISRL Isramco, Inc. Oil & Gas Exploration and Production
JAG Jagged Peak Energy Inc. Unconventional Oil & Gas Drilling
JASO JA Solar Holdings, Co., Ltd. Renewable Energy Equipment & Services
JKS JinkoSolar Holding Company Limited Photovoltaic Solar Systems & Equipment
JONE Jones Energy, Inc. Oil & Gas Exploration and Production
KMI Kinder Morgan, Inc. Oil & Gas Transportation Services
KNOP KNOT Offshore Partners LP Sea-Borne Tankers
KOS Kosmos Energy Ltd. Oil & Gas Exploration and Production
KRP Kimbell Royalty Partners Integrated Oil & Gas
LGCY Legacy Reserves LP Oil & Gas Exploration and Production
LGCYO Legacy Reserves LP - 8.00% Series B Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units Oil & Gas Exploration and Production
LGCYP Legacy Reserves LP - 8% Series A Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units Oil & Gas Exploration and Production
LLEX Lilis Energy, Inc. Oil & Gas Exploration and Production
LNG Cheniere Energy, Inc. LNG Transportation & Storage
LPG Dorian LPG Ltd. Sea-Borne Tankers
LPI Laredo Petroleum Holdings, Inc. Oil & Gas Exploration and Production
MCEP Mid-Con Energy Partners, LP Oil & Gas Exploration and Production
MCF Contango Oil & Gas Company Oil & Gas Exploration and Production
MDR McDermott International, Inc. Oil Related Services and Equipment
MIND Mitcham Industries, Inc. Oil Related Services and Equipment
MMP Magellan Midstream Partners L.P. Limited Partnership Oil & Gas Transportation Services
MNGA MagneGas Corporation] Hydrogen Fuel
MPC Marathon Petroleum Corporation Oil & Gas Refining and Marketing
MPLX MPLX LP Oil & Gas Transportation Services
MRO Marathon Oil Corporation Oil & Gas Exploration and Production
MTDR Matador Resources Company Oil & Gas Exploration and Production
MTR Mesa Royalty Trust Oil & Gas Exploration and Production
MTRX Matrix Service Company Oil Related Services and Equipment
MUR Murphy Oil Corporation Oil & Gas Exploration and Production
MUSA Murphy USA Inc. Gasoline stations
MVO MV Oil Trust Units of Beneficial Interests Oil & Gas Exploration and Production
MXC Mexco Energy Corporation Oil & Gas Exploration and Production
NAT Nordic American Tankers Limited Sea-Borne Tankers
NBL Noble Energy Inc. Oil & Gas Exploration and Production
NBLX Noble Midstream Partners LP Oil & Gas Transportation Services
NBR Nabors Industries Ltd. Oil & Gas Drilling
NCSM NCS Multistage Holdings, Inc. Oil Related Services and Equipment
NDRO Enduro Royalty Trust Trust Units Oil & Gas Exploration and Production
NFX Newfield Exploration Company Oil & Gas Exploration and Production
NGL NGL Energy Partners LP Oil & Gas Refining and Marketing
NGS Natural Gas Services Group, Inc. Oil Related Equipment
NOA North American Energy Partners, Inc. Oil Related Services
NOG Northern Oil and Gas, Inc. Oil & Gas Exploration and Production
NOV National Oilwell Varco, Inc. Oil Related Services and Equipment
NR Newpark Resources, Inc. Oil Related Services and Equipment
NRP Natural Resource Partners LP Limited Partnership Coal
NRT North European Oil Royality Trust Oil & Gas Exploration and Production
NS Nustar Energy L.P. Oil Pipeline
NSH Nustar GP Holdings, LLC Units Oil Pipeline
NVGS Navigator Holdings Ltd. LNG Transportation & Storage
OAS Oasis Petroleum Inc. Unconventional Oil & Gas Production
OBE Obsidian Energy Ltd. Oil Exploration & Production - Onshore
OII Oceaneering International, Inc. Oil Related Services and Equipment
OIS Oil States International, Inc. Oil Related Equipment
OKE ONEOK, Inc. Oil & Gas Transportation Services
OMP Oasis Midstream Partners LP Oil Related Services and Equipment
OXY Occidental Petroleum Corporation Oil & Gas Exploration and Production
PAA Plains All American Pipeline, L.P. Oil & Gas Transportation Services
PAGP Plains Group Holdings, L.P. Oil & Gas Transportation Services
PBA Pembina Pipeline Corp. Oil & Gas Transportation Services
PBF PBF Energy Inc. Oil & Gas Refining and Marketing
PBFX PBF Logistics LP Oil & Gas Transportation Services
PBR Petroleo Brasileiro S.A.- Petrobras Integrated Oil & Gas
PBR.A Petroleo Brasileiro S.A.- Petrobras Integrated Oil & Gas
PDCE PDC Energy, Inc. Oil & Gas Exploration and Production
PDS Precision Drilling Corporation Oil & Gas Drilling
PE Parsley Energy, Inc. Oil & Gas Exploration and Production
PEIX Pacific Ethanol, Inc. Ethanol Fuels
PER SandRidge Permian Trust Oil & Gas Exploration and Production
PES Pioneer Energy Services Corp. Oil & Gas Drilling
PFIE Profire Energy, Inc. Oil Related Services
PGH Pengrowth Energy Corporation Oil & Gas Exploration and Production
PHII PHI, Inc. - Voting Oil Related Services and Equipment
PHIIK PHI, Inc. - Non-Voting Oil Related Services and Equipment
PHX Panhandle Oil and Gas Inc Oil & Gas Exploration and Production
PKD Parker Drilling Company Oil & Gas Drilling
PLUG Plug Power, Inc. Stationary Fuel Cells
PNRG PrimeEnergy Corporation Oil & Gas Exploration and Production
PQ Petroquest Energy Inc Oil & Gas Exploration and Production
PSX Phillips 66 Oil & Gas Refining and Marketing
PSXP Phillips 66 Partners LP Oil & Gas Transportation Services
PTEN Patterson-UTI Energy, Inc. Oil & Gas Drilling
PTR PetroChina Company Limited Integrated Oil & Gas
PUMP ProPetro Holding Corp. Oil Related Services and Equipment
PXD Pioneer Natural Resources Company Oil & Gas Exploration and Production
PZE Petrobras Argentina S.A. ADS Integrated Oil & Gas
QEP QEP Resources, Inc. Integrated Oil & Gas
RCON Recon Technology, Ltd. Oil Related Services and Equipment
RDC Rowan Companies plc Oil & Gas Drilling
RDS.A Royal Dutch Shell PLC Class A Integrated Oil & Gas
RDS.B Royal Dutch Shell PLC Royal Dutch Shell PLC Class B Integrated Oil & Gas
REGI Renewable Energy Group, Inc. Biomass & Biogas Fuels
REN Resolute Energy Corporation Oil Exploration & Production - Onshore
RES RPC, Inc. Oil Related Services and Equipment
REX REX American Resources Corporation Ethanol Fuels
REXX Rex Energy Corporation Oil & Gas Exploration and Production
RIG Transocean Ltd (Switzerland) Oil & Gas Drilling
RMP Rice Midstream Partners LP LNG Transportation & Storage
RNET RigNet, Inc. Oil Related Services
RNGR Ranger Energy Services, Inc. Oil Related Services and Equipment
ROSE Rosehill Resources Inc. Oil & Gas Exploration and Production
ROYT Pacific Coast Oil Trust Units of Beneficial Interest Oil & Gas Exploration and Production
RRC Range Resources Corporation Oil & Gas Exploration and Production
RSPP RSP Permian, Inc. Oil & Gas Exploration and Production
RUN Sunrun Inc. Renewable Energy Equipment & Services
SBR Sabine Royalty Trust Oil & Gas Exploration and Production
SDLP Seadrill Partners LLC Oil Drilling - Offshore
SDR SandRidge Mississippian Trust II Oil & Gas Exploration and Production
SDRL Seadrill Oil & Gas Drilling
SDT SandRidge Mississippian Trust Oil & Gas Exploration and Production
SEDG SolarEdge Technologies, Inc. Photovoltaic Solar Systems & Equipment
SEMG Semgroup Corporation Oil & Gas Transportation Services
SEP Spectra Energy Partners, LP Oil & Gas Transportation Services
SES Synthesis Energy Systems, Inc. Renewable Energy Equipment & Services
SFL Ship Finance International Limited Oil & Gas Transportation Services
SGU Star Gas Partners, L.P. Oil & Gas Refining and Marketing
SHI SINOPEC Shangai Petrochemical Company, Ltd. Petroleum Refining
SHLX Shell Midstream Partners, L.P. Oil & Gas Transportation Services
SJT San Juan Basin Royalty Trust Oil & Gas Exploration and Production
SLB Schlumberger N.V. Oil Related Services and Equipment
SM SM Energy Company Oil & Gas Exploration and Production
SMLP Summit Midstream Partners, LP Oil & Gas Transportation Services
SN Sanchez Energy Corporation Oil & Gas Exploration and Production
SNMP Sanchez Midstream Partners LP Natural Gas Exploration & Production - Onshore
SNP China Petroleum & Chemical Corporation Oil & Gas Refining and Marketing
SOI Solaris Oilfield Infrastructure, Inc. Oil Related Services and Equipment
SOL Renesola Ltd. Renewable Energy Equipment & Services
SPH Suburban Propane Partners, L.P. Oil & Gas Refining and Marketing
SPI SPI Energy Co., Ltd. Photovoltaic Solar Systems & Equipment
SPN Superior Energy Services, Inc. Oil Related Services and Equipment
SPWR SunPower Corporation Photovoltaic Solar Systems & Equipment
SRCI SRC Energy Inc. Oil & Gas Exploration and Production
SRLP Sprague Resources LP Oil & Gas Refining and Marketing
SSL Sasol Ltd. Oil & Gas Refining and Marketing
STNG Scorpio Tankers Inc. Sea-Borne Tankers
STO Statoil ASA Integrated Oil & Gas
SU Suncor Energy Inc. Oil & Gas Refining and Marketing
SUN Sunoco LP Petroleum Product Wholesale
SUNW Sunworks, Inc. Photovoltaic Solar Systems & Equipment
SWN Southwestern Energy Company Oil & Gas Exploration and Production
SXE Southcross Energy Partners, L.P. Oil & Gas Transportation Services
TA TravelCenters of America LLC Gasoline stations
TAT TransAtlantic Petroleum Ltd Oil & Gas Exploration and Production
TCP TC PipeLines, LP Natural Gas Pipeline
TDW Tidewater Inc. Oil Related Services and Equipment
TEGP Tallgrass Energy GP, LP Oil & Gas Transportation Services
TELL Tellurian Inc. Oil & Gas Exploration and Production
TEP Tallgrass Energy Partners, LP Oil & Gas Transportation Services
TGA Transglobe Energy Corp Oil & Gas Exploration and Production
TGC Tengasco, Inc. Oil & Gas Exploration and Production
TGEN Tecogen Inc Renewable Energy Equipment & Services
TGP Teekay LNG Partners L.P. LNG Transportation & Storage
TGS Transportadora de Gas del Sur SA TGS Oil & Gas Exploration and Production
TK Teekay Corporation Sea-Borne Tankers
TLP Transmontaigne Partners L.P. Transmontaigne Partners L.P. Oil Pipeline
TNK Teekay Tankers Ltd. Oil & Gas Transportation Services
TOO Teekay Offshore Partners L.P. Oil & Gas Transportation Services
TOT Total S.A. Integrated Oil & Gas
TPIC TPI Composites, Inc. Wind Systems & Equipment
TPL Texas Pacific Land Trust Oil & Gas Exploration and Production
TRCH Torchlight Energy Resources, Inc. Oil & Gas Exploration and Production
TRGP Targa Resources, Inc. Oil & Gas Transportation Services
TRP TransCanada Corporation Oil & Gas Transportation Services
TS Tenaris S.A. Oil Related Equipment
TTI Tetra Technologies, Inc. Oil Related Services and Equipment
TUSK Mammoth Energy Services, Inc. Oil & Gas Drilling
UAVS AgEagle Aerial Systems, Inc. Common Stock Oil Exploration & Production - Onshore
UEC Uranium Energy Corp. Uranium
UGP Ultrapar Participacoes S.A. Gasoline stations
UNT Unit Corporation Oil & Gas Exploration and Production
URG Ur Energy Inc Uranium Mining
USAC USA Compression Partners, LP Oil Related Services and Equipment
UUUU Energy Fuels Inc Uranium Mining
VET Vermilion Energy Inc. Oil & Gas Exploration and Production
VLO Valero Energy Corporation Oil & Gas Refining and Marketing
VLP Valero Energy Partners LP Oil & Gas Transportation Services
VNOM Viper Energy Partners LP Oil & Gas Exploration and Production
VOC VOC Energy Trust Units of Beneficial Interest Integrated Oil & Gas
WES Western Gas Partners, LP Limited Partner Interests Oil & Gas Refining and Marketing
WG Willbros Group, Inc. (DE) Oil Related Services
WGP Western Gas Equity Partners, LP Oil & Gas Refining and Marketing
WLB Westmoreland Coal Company Coal
WLL Whiting Petroleum Corporation Oil & Gas Exploration and Production
WMB Williams Companies, Inc. (The) Oil & Gas Transportation Services
WMLP Westmoreland Resource Partners, LP Coal
WPX WPX Energy, Inc. Oil & Gas Exploration and Production
WPXP WPX Energy, Inc. 6.25% Series A Mandatory Convertible Preferred Stock Oil & Gas Exploration and Production
WPZ Williams Partners L.P. Oil & Gas Exploration and Production
WRD WildHorse Resource Development Corporation Oil & Gas Exploration and Production
WTI W&T Offshore, Inc. Oil & Gas Exploration and Production
WTTR Select Energy Services, Inc. Oil Related Services
WWR Westwater Resources, Inc. Uranium Mining
XEC Cimarex Energy Co Oil & Gas Exploration and Production
XOG Extraction Oil & Gas, Inc. Oil & Gas Exploration and Production
XOM Exxon Mobil Corporation Oil & Gas Refining and Marketing
YGE Yingli Green Energy Holding Company Limited ADR Renewable Energy Equipment & Services
YPF YPF Sociedad Anonima Integrated Oil & Gas
ZN Zion Oil & Gas Inc Oil & Gas Exploration and Production