PG&E (Pacific Gas & Electric)

pge.com

Sasol

regionSouth Africa

sasol.com

Chesapeake Energy

regionUnited States

chk.com

San Diego Gas & Electric

parent coSempra Energy

sdge.com

Ovintiv

regionDenver, Colorado

encana.com

Enbridge

regionCalgary, Canada

enbridge.com

SoCalGas

socalgas.com

Snam

regionItaly

snam.it

Washington Gas

parent coWGL

washingtongas.com

GB Sciences

regionUnited States

gbsciences.com

Edison International

regionRosemead, California

edison.com

Primoris

primoriscorp.com

Fluxys

parent coPubligaz

regionBrussels, Belgium

fluxys.com

Enterprise Products

regionHouston, Texas

enterpriseproducts.com

Redes Energéticas Nacionais

regionLisbon, Portugal

ren.pt

Algonquin Power

regionOakville, Ontario

algonquinpower.com

Plains Midstream

parent coPlains GP Holdings

plainsmidstream.com

1st NRG

regionDenver, Colorado

1stnrg-corp.com

Abby

regionUnited States

Abraxas

regionSan Antonio, Texas

abraxaspetroleum.com

Adria LNG

Advanced Voice Recognition Systems

regionUnited States

AGA defunct

Allied Resources

regionUnited States

Alpha Energy

regionUnited States

AltaGas

regionCanada

altagas.ca

Altex Industries

regionUnited States

Alvopetro

regionCalgary, AB

alvopetro.com

Amazing Energy Oil & Gas

regionUnited States

American Energy Group

regionSimonton, Texas

American Sands Energy

regionUnited States

Angola LNG

Arabella Exploration

regionUnited States

Archrock

archrock.com

Arete Industries

regionUnited States

Arkose Energy

regionUnited States

ir.arkoseenergy.com

Arkose Petroleum

arkosepetroleum.com

Armada Oil

regionUnited States

Ascent Resources

ascentresources.com

ATCO Energy

parent coATCO

regionCalgary, Alberta

energy.atco.com

Atlas Energy

regionUnited States

atlasenergy.com

Aurex Energy

regionSaskatoon, Saskatchewan

aurexenergy.ca

Australian Oil & Gas

regionAustralia

Avalon Oil & Gas

regionCalgary, Alberta

avalonoilandgas.ca

Aztec Oil & Gas

regionUnited States

Bakken Resources

regionUnited States

Baron Energy

regionUnited States

Baying Ecological Holding Group

regionUnited States

BEH EAD

Black Dragon Resource Companies

regionUnited States

Black Ridge Oil & Gas

regionUnited States

Black Stallion Oil & Gas

regionUnited States

BlackPearl Resources*

regionCanada

Blue Dolphin Energy Co

regionUnited States

Bonanza Creek Energy

regionUnited States

BP Midstream Partners

parent coBP

bp.com

BPI Energy

regionSolon, Ohio

Breitburn Energy Partners

regionUnited States

Brinx Resources

regionUnited States

Brisset Beer International

regionCanada

British Gas

parent coCentrica

britishgas.co.uk

Brookside Energy

regionAustralia

Canvas Energy

canvasenergy.com

Carbon Energy

regionDenver, Colorado

carbonenergycorp.com

Cedar LNG

regionKitimat, BC

cedarlng.com

Centra Gas Manitoba

Century Petroleum

regionUnited States

Chancellor Group

regionUnited States

Cheetah Oil & Gas

regionCanada

Cheniere

parent coBlackstone

China New Energy Group Co

regionChina

Citadel Exploration

regionUnited States

Clean Coal Technologies

regionUnited States

Clean Energy

cleanenergyfuels.com

CMS Energy

cmsenergy.com

CNOOC

regionBeijing, China

cnooc.com.cn

Cobalt International Energy

regionUnited States

cobaltintl.com

Comstock Resources

comstockresources.com

Consol Energy

regionCanonsburg, Pennsylvania

consolenergy.com

Consumers Energy

parent coCMS Energy

consumersenergy.com

Continental Energy

regionCanada

Continental Resources

clr.com

Corning Natural Gas

regionUnited States

County Line Energy

regionUnited States

Cross Border Resources

regionUnited States

Dala Petroleum*

regionUnited States

Daleco Resources

regionUnited States

Daybreak Oil and Gas*

regionUnited States

Deep Well Oil & Gas

regionCanada

Delek Group

regionNetanya, Israel

delek-group.com

Delek Logistics

parent coDelek US

regionBrentwood, Tennessee

deleklogistics.com

Delek US

regionBrentwood, TN

delekus.com

Delta International Oil and Gas

regionUnited States

Diversified Energy

regionUnited States

Dong Energy

Duke Energy

Duke Energy International Geracao Paranapanema

regionBrazil

Eagle Ford Oil & Gas

regionChina

Eagle Oil

regionUnited States

Earth Search Sciences

regionUnited States

Eesti Energia

energia.ee

Eesti Gaas

EGAS

egas.com.eg

Egyptian Natural Gas

Elster

parent coHoneywell

regionGermany

elster.com

Empire Energy Corp International

regionUnited States

Empire Petroleum

regionUnited States

Enbridge Gas

parent coEnbridge

regionChatham, Ontario

uniongas.com

Enbridge Gas*

parent coEnbridge

regionChatham-Kent, Ontario

uniongas.com

Encompass Energy Services

regionUnited States

Eneabba Gas

regionAustralia

eneabbagas.com.au

Energtek

regionUnited States

Energy Revenue America defunct

regionDallas, Texas

Energy XXI Gulf Coast

regionUnited States

EnergyAustralia

energyaustralia.com.au

Enerjex Resources

regionUnited States

EnerVest

regionHouston, Texas

enervest.net

EnXnet

regionUnited States

EOS Petro

regionLos Angeles, California

eos-petro.com

EQT Gas

eqt.com

Ervia

regionie-dublin

ervia.ie

Escalera Resources

regionUnited States

Eurasia Energy

regionAnguilla

EuRoPol GAZ

parent coOrlen

regionWarsaw, Poland

europolgaz.com.pl

EXCO Resources

regionUnited States

FEC Resources

FieldPoint Petroleum

regionUnited States

Foothills Exploration

regionUnited States

Fortis Inc.

regionSt. John's, NL

fortisinc.com

FortisBC

regionKelowna, BC

fortisbc.com

Fovea Jewelry Holdings*

regionUnited States

Freedom Holding Corp.

regionAlmaty, Kazakhstan

freedomholdingcorp.com

Freeport LNG

freeportlng.com

GAIL

gailonline.com

Galp Energia

regionPortugal

Gas Natural Fenosa

regionSpain Barcelona

GASE Energy

regionUnited States

Gazprom Transgaz Belarus

parent coGazprom

regionMinsk, Belarus

belarus-tr.gazprom.ru

Genesis NZ

regionNew Zealand

genesisenergy.co.nz

GeoMet

regionUnited States

Glen Rose Petroleum*

regionUnited States

GSV

regionUnited States

goldstandardv.com

Gulf Coast Ultra Deep Royalty Trust

regionUnited States

Gulf South Pipeline

gulfsouthpl.com

Gulfslope Energy

regionUnited States

Hellix Ventures

regionCanada

Holloman Energy*

regionUnited States

Homeland Resources

regionUnited States

Hong Kong & China Gas Co.

regionChina

Humble Energy

regionUnited States

Hunter Oil

regionCanada

HyperDynamics

regionUnited States

Independence Energy

regionUnited States

International Western Petroleum

regionUnited States

Iron Bridge Resources

regionCalgary, Alberta

ironbridgeres.com

Ironline Compression

ironline.com

ITP Energy

regionItaly

Jayhawk Energy

regionUnited States

Kodiak Energy

regionCanada

Kolibri Energy

regionCamarillo, California

kolibrienergy.com

La Cortez Energy

regionColombia

Laredo Oil

regionUnited States

laredo-oil.com

Liberty One Lithium

regionCanada

Mahanagar Gas

mahanagargas.com

Manufactured Housing Properties*

regionUnited States

MediJane Holdings*

regionUnited States

Mesquite Energy

mesquite-energy.com

Midstates Petroleum

regionUnited States

midstatespetro.com

Mogul Energy International

regionSeattle, Washington

Molori Energy

regionCanada

Mondial Ventures

regionUnited States

MPLX

parent coMarathon

mplx.com

Neuro-Hitech

regionUnited States

New Frontier Energy

regionUnited States

New Wave Energy

newwaveenergy.com

Nicor

regionUnited States

Niko Resources

regionCanada

Northland Power

regionToronto, Canada

northlandpower.com

Northwest Natural Gas

Oakridge Energy

regionUnited States

Oao Novatek

regionRussia

novatek.ru

Oceanic Exploration

regionUnited States

ONEOK

oneok.com

Orbital Energy

orbitalenergygroup.com

Osage Exploration and Development

regionUnited States

Outback Oil & Mineral Exploration

regionUnited States

Pacific Energy & Mining

regionUnited States

Pacific Northern Gas (PNG)

parent coTriSummit Utilities

png.ca

Panrusgáz

Pegasi Energy Resources

regionUnited States

Petro River Oil*

regionUnited States

PetroChina

regionChina

petrochina.com.cn

Petrocorp

regionUnited States

Petrolia Energy

regionUnited States

Petrominerals

regionUnited States

Petron Energy II

regionUnited States

PetroQuest Energy

regionUnited States

PetroSun

regionUnited States

Petrus Resources

regionCanada

Petsec Energy

regionAustralia