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G2 Resources was acquired by Regal Energy, became Novus Energy, acquired by Yanchang Petroleum
GAIL Limited [Bombay:GAIL] - Natural gas and petrochemicals in India
GDF Suez is now Engie
GE Power (Subsidiary of General Electric [NYSE:GE] ) - One of the leading wind energy companies and wind turbine suppliers
GRP Energy, LP. - Specialist energy acquisition company looking to purchase oil, gas, energy and mineral rights leases. We are based in Dallas Texas and are extermely well funded.
GSE Rentals - Leading rental specialist of high quality Geophysical, Hydrographic and Oceanographic equipment.
Galilee Energy Limited [ASX:GLL] - Coal seam gas interests in Australia and coal mines in New Zealand.
Gale Force Petroleum was acquired byMontana Exploration
Galena International Resources is now Aurelius Minerals
Galleon Energy is now Guide Exploration
Galp Energia - Responsible for the reshaping of the portuguese energy sector, in the oil and natural gas businesses.
Galvanic Applied Sciences [TSX-V:GAV] - Mmanufactures and markets a full line of analysis and measurement equipment for the natural gas and process industries.
GASFRAC Energy Services [TSX:GFS] - Proprietary LPG (Liquefied Petroleum Gas) Fracturing Process
GasLog Partners [NYSE:GLOP - Acquire, Own & Operate LNG Carriers
Gastar [AMEX:GST] - Natural gas assets in North America and Australia
Gastem [TSX-V:GMR] - Alberta and Quebec
Gasum Oy - Importer and seller of natural gas and owns and operates the natural gas transmission system in Finland.
Gasunie - Buys, transports, and sells natural gas (Netherlands)
Gateway Energy [OTC:GNRG] - Natural gas gathering, transportation and distribution systems in Texas
Gaz de France became GDF Suez, now Engie
Gazprom [ME:GAZP] - Largest gas producing company in the world (about 20% of the world gas production) Gazprom controls almost 60% of the Russian gas reserves and produces about 90% of Russian gas
Genel Energy International Limited [LSE:GENL] - Leading independent exploration and production company operating in the Kurdistan Region of Iraq.
Genesis Energy [AMEX:GEL] - Independent gatherer and marketer of crude oil. Our operations are concentrated in Texas, Louisiana, Alabama, Florida, and Mississippi.
GenOil [TSX-V:GNO] - Technology development company based in Alberta, Canada which provides solutions to the oil and gas industry through the use of proprietary technologies
Gentry Resources was acquired by Crew Energy
Geodynamics Limited [ASX:GDY] - Exploring Hot Dry Rock Geothermal Energy
GeoGlobal Resources [AMEX:GGR] - Engaged primarily in the pursuit of petroleum and natural gas through exploration and development in India
Geokinetics is no longer in business
GeoMet [NASDAQ:GMET] - Natural gas from coal seams (coalbed methane or CBM) and non-conventional shallow gas.
Geopark [NYSE:GPRK] - Latin American oil and gas explorer, operator and consolidator with assets and growth platforms in Colombia, Ecuador, Chile, Brazil and Argentina
GeoPetro Resources - Projects in North America and Australia
Georox Resources is now https://prosperaenergy.com/
Getty Realty [NYSE:GTY] - Real estate investment trust specializing in the ownership and leasing of retail motor fuel gasoline and convenience store properties as well as petroleum distribution terminals in the Eastern United States
Gevo [NASDAQ:GEVO] - Next generation of renewable gasoline, jet fuel and diesel fuel
Giant Industries was acquired by Western Refining, a subsidiary of Marathon Petroleum
Gibson Energy [TSX:GEI] - Develops, implements and supports midstream solutions for the oil and gas industry.
Givot Olam Oil Limited - Israel
Glen Rose Petroleum [OTC:GLRP] - Focused on the development of on-shore US oil and gas assets.
Global Energy plc is now Nautilus
Global Energy Group - Multi-discipline service company, adding value to operators and contractors in the construction, upgrade, maintenance and operations of Energy Sector Assets.
Global Energy Services - Provides productions services, communication systems and wireless gas detection to the oil and gas industry.
Global Geophysical Services [NYSE:GGS] - Provider of cost-effective, high density 3D land and transition zone seismic data acquisition solutions
Global Industries was acquired by TechnipFMC
Global Petroleum [LSE:GBP] - Kenya
Global Power Equipment Group is now Williams Industrial Services Group
Global SantaFe was acquired by Transocean
Globex Resources was acquired by Innova Exploration, now Crescent Point Energy
Gloucester Coal was acquired by Yancoal Australia
Gold Oil plc is now Baron Oil PLC [LSE:GOO] - Focused on identifying oil and gas interests in Latin America, in particular Peru, Colombia and Cuba
Gold Point Energy was acquired by San Leon Energy Plc
Golden Gate Petroleum [ASX:GGP] - Exploration portfolio in the Gulf of Mexico
Golden State Resources [ASX:GDN] - focused on oil and natural gas exploration in the USA.
Goldsource Mines [TSX-V:GXS] - Thermal coal in Saskatchewan.
Goodrich Petroleum was acquired by Paloma Natural Gas
Gorgon Venture - Unincorporated joint venture consisting of three international energy companies: Chevron, Shell and Exxon. Chevron, with a four-sevenths interest, is the operator
Gran Tierra Energy [AMEX:GTE] - interests in producing and prospective properties in Colombia, Argentina and Peru.
Grand Cache Coal [TSX:GCE] - Coal mining in the Grande Cache area of Alberta, Canada
Grand Gulf Energy [ASX:GGE] - US oil and gas exploration and production
Grand Petroleum was acquired by Harvest Operations
Granite Oil (was DeeThree Exploration) was acquired by International Petroleum Corporation
Grant Prideco was acquired by National Oilwell Varco
Great Artesian was acquired by Drillsearch Energy Limited
Great Pacific International [TSX-V:GPI] - Operations and exploration rights in northern Alberta, and the Permian Basin, Texas.
Great South Land Minerals is now a wholly owned subsidiary of Empire Energy
Green Plains Renewable Energy [NASDAQ:GPRE] - Organized to construct and operate dry mill, fuel grade ethanol plants.
Green Rock Energy [ASX:GRK] - Geothermal energy properties
Green Star Products [OTC:GSPI] - Biofuels
Greenearth Energy [ASX:GER] - Explore for and develop geothermal resources in Australia, Indonesia, and in due course the wider Pacific Rim.
Greenfield Global - World-class manufacturer and distributor of a full range of alcohol products, high purity solvents and fuel ethanol.
Grey Wolfwas acquired by Precision Drilling
Greymouth Petroleum - New Zealand owned and operated oil and gas production and exploration company
Grizzly Energy LLC (was Vanguard Natural Resources) - Primary focus is on operating and investing in high quality, long-lived producing properties predominantly in the Rockies, Permian and Midcontinent.
Guildford Coal Limited is now TerraCom
Gulf Island [NASDAQ:GIFI] - Worldwide leader in the fabrication of drilling and production platforms, as well as other specialized structures used in the oil and gas industry.
Gulf Keystone Petroleum [LSE:GKP] - Focused on the exploration, development and production of hydrocarbons in North Africa and the Middle East.
Gulf Shores Resources became Ashanti Gold, acquired by Desert Gold
GulfMark Offshore was acquired by Tidewater
Gulfport Energy [NASDAQ:GPOR] - Independent oil and gas company located in Oklahoma City, Oklahoma.
Gulfsands Petroleum plc [LSE:GPX] - Focus is on the Middle East and North Africa
Gulfside Minerals is now Arrowstar Resources (iron ore)
GulfTerra Energy Partners merged with Enterprise Products Partners L.P.

HF Sinclair (merger of HollyFrontier and Sinclair) [NYSE:DINO] - Diversified, innovative energy company that manufactures and sells products such as gasoline, diesel fuel, jet fuel, renewable diesel, specialty lubricant products, specialty chemicals, and specialty and modified asphalt, among others.
Habanero Resources is now Sienna Resources
Haddington Ventures - Private equity funds that focus on the midstream energy sector
Hallador Energy [NASDAQ:HNRG] - Coal production from subsidiary Sunrise Coal
Halliburton [NYSE:HAL] - One of the largest providers of products and services to the oil and gas industries
Hanover Compressor is now Exterran
Hanwei Energy Services [TSX:HE] - Leading Chinese manufacturer of high pressure, fiberglass reinforced plastic pipe products and associated technologies and services for the international oil and gas sector
Harbour Energy (was Premier Oil) [LSE:HBR] - Largest UK listed independent oil and gas company
Harding Company [private] - primarily engaged in the Prolific Barnett Shale Gas play in Texas and is considered a leading expert in new technology implementation (3-D seismic and horizontal drilling).
Hardy plc formerly Hardy Oil and Gas Plc was an international oil and gas exploration and production company which sold all its oil and gas interests in October 2019.
Harland & Wolff (was InfraStrata plc) {LSE:HARL} - Maritime and offshore engineering
Hartshead Resources (was Ansila Energy, formerly Pura Vida Energy) [ASX:HHR] - Southern North Sea
Harvest Energy Trust was acquired by Korea National Oil Corporation
Harvest Natural Resources [NYSE:HNR] - Our producing operations are conducted principally through our 80 percent owned Venezuelan subsidiary, Harvest-Vinccler, C.A., which operates the South Monagas Unit in Venezuela.
Hawk Exploration [TSX-V:HWK.A] - Crude oil and natural gas in western Canada
Hawker Resources was acquired by Iteration Energy, now Chinook Energy
Hawkley Oil & Gas is now Lumira Energy
Hawkstone Energy is now Range Energy Resources
Headwater Exploration (was Corridor Resources) [TSX:HWX] - New Brunswick.
Helium One (was Attis Oil and Gas, previously Mayan Energy) [LSE:HE1] - Focus is to explore, develop, and ultimately, become a producer of high-grade helium for the international market
Helix Energy Solutions [NYSE:HLX] - Provider of reservoir and well technology services to the upstream oil and gas industry
Hellenic Petroleum [ATHENS:ELPE] - Holds a leading position in the Greek energy sector as well as in the greater area of Southeast Europe.
Hellix Ventures [TSX-V:HEL] - producing gas wells in Alberta, Canada
Helmerich & Payne [NYSE:HP] - Engaged in contract drilling, primarily in the U.S. and South America
Hemisphere Energy [TSX-V:HME] - Oil and natural gas assets in Western Canada.
Hercules Offshore [NASDAQ:HERO] - Leading global provider of offshore contract drilling, liftboat and inland barge services.
Heritage Oil [TSX:HOC] - African countries and the Middle East.
Hess Corporation [NYSE:HES] - Operations in the United States, United Kingdom, Norway, Denmark, Equatorial Guinea, Gabon, Azerbaijan, Thailand and Indonesia
Hibernia - Offshore oil field is owned jointly by ExxonMobil Canada (33.125%), Chevron Canada Resources (26.875%), Suncor (20%), Canada Hibernia Holding Corporation (8.5%), Murphy Oil (6.5%) and Eqinor Canada (5%).
Hibiscus Petroleum [Kuala Lumpur:5199] - Junior independent Malaysian oil and gas E&P company with the sole focus on developing small oil and gas fields in the South Asia, South East Asia and Oceania regions.
High Arctic Energy Services [TSX:HWO] - Global provider of specialized oilfield equipment and services
Highpine Oil & Gas was acquired by Sinopec Canada
Hiland Partners was acquired by Kinder Morgan
Hillcrest Energy Technologies [VSE:HEAT] - Commenced production from Canadian oil and gas properties in Saskatchewan during 2019
Hindustan Petroleum [Bombay:HPCL] - India's second largest integrated oil refining and marketing Company.
Hoegh LNG [Oslo:HLNG] - Fully Integrated LNG infrastructure company offering LNG transportation services, LNG regasification, terminal solutions and in-house ship management services.
Holloman Energy Corporation [OTC:HENC] - Cooper Basin, Australia
HollyFrontier Corporation is now HF Sinclair
Holly Energy Partners [NYSE:HEP] - Delaware limited partnership formed in early 2004 by Holly Corporation, whose refineries in New Mexico and Utah we serve under a 15-year pipelines and terminals agreement
Hoodoo Hydrocarbons became Cruiser Oil & Gas, was acquired by One Exploration, now TriOil Resources
Horizon North Logistics is now dexterra
Horizon Oil [ASX:HZN] - Active in China, New Zealand, Papua New Guinea, Tunisai, and USA.
Horizon Offshore was acquired by Cal Dive International, which is now Helix Energy Solutions
Horn Petroleum [TSX-V:HRN] - Canadian oil and gas company with assets in Puntland, Somalia
Houston American Energy [AMEX:HUSA] - Assets in Colombia and US
Hugoton Royalty Trust [NYSE:HGT] - XTO Energy Inc. conveyed 80% net profits interests in certain predominantly gas-producing properties located in Kansas, Oklahoma and Wyoming to the trust.
Hunnu Coal was acquired by Banpu
Hunt Oil [private] - Exploration and production company, which has successfully conducted worldwide petroleum operations for 70 years.
Huntington Exploration [TSX-V:HEI] - Develops oil and gas properties and reserves through active acquisition and exploration programs in Western Canada.
Hurricane Energy plc [LSE:HUR] - UK oil discovery firm, specialising in basement exploration.
Husky Energy was acquired by Cenovus
Hwange Colliery - Explores mines, processes and markets coal, coke and associated by-products in Zimbabwe.
Hydrogen Fuel News - Dedicated to reporting up to date news on fuel cell technology and alternative energy news.
Hydrogen Hub - Industry-led community of stakeholders from across the hydrogen and fuel cell supply chain
Hydrogenics was acquired by Cummins
HyGen Industries - Clean Renewable Hydrogen for Fuel Cell Electric Vehicles

i3 Energy plc [LSE:I3E] - Production in Western Canadian Sedimentary Basin and assets in the North Sea.
IPR Group - Specialized oil and gas operating companies with extensive experience and resources in exploration and production, reservoir management, and field development, oilfield services and consulting services including training and technology transfer
ITM Power [LSE:ITM] - Designs and manufactures products which generate hydrogen gas, based on Proton Exchange Membrane (PEM) technology.
Icon Energy [ASX:ICN] - Australia and Louisiana (USA)
Idemitsu Kosan [Tokyo:5019] - Petroleum products, petrochemical products, oil exploration and production, coal, and other businesses.
Ikwezi Mining [ASX:IKW] - Coal projects in South Africa
Imperial Oil [AMEX:IMO] - One of Canada's largest corporations and has been a leading member of the petroleum industry for more than a centuryThe majority shareholder is Exxon Mobil Corporation, which holds 69.6 per cent of Imperial's shares.
Impress Energy was acquired by Beach Energy
Incremental Oil and Gas was acquired by TransAtlantic Petroleum
Indian Oil Corporation [Bomaby:IOC] - Owns and operates 10 of India's 18 refineries
Indus Coal [ASX:ICZ] - Indonesian coal
Inergy, L.P. [NASDAQ:NRGY] - Rapidly growing propane marketing and distribution company that proudly serves nearly 275,000 customers in the Midwest, South, Southeast and Northeast United States.
Infinis plc [owned by Terra Firma Capital Partners Limited] - Leading UK generator of purely renewable power.
Infinity Energy Resources [OTC:IFNY] - Exploration and production of natural gas and oil, with a focus in the Rocky Mountain region.
InfraStrata plc is now Harland & Wolff
Infrastructure & Energy Alternatives [NASDAQ:IEA] - Leading infrastructure construction company with specialized energy and heavy civil expertise.
Innamincka Petroleum Limited became Acer Energy, then was acquired by Drillsearch Energy
Innergex [TSX:INE] - Operates run-of-river power plants and wind farms,
Innova Exploration was acquired by Crescent Point Energy
InPlay Oil [TSX:IPO] - Targeting the Cardium Formation in Alberta.
Insignia Energy [TSX:ISN] - Western Canada.
International Coal [ASX:ICX] - Bundaberg Project and South Blackall Project
International Frontier Resources [TSX-V:IFR] - Northwest Territories (Canada) and North Sea.
International Petroleum Company [TSX:IPCO] - Oil and gas exploration and production company with assets in Canada, Europe and South East Asia. A member of the Lundin Group of Companies
Interoil [AMEX:IOC] - Developing a Fully-Integrated Niche Energy Company in Papua New Guinea
Intra Energy [ASX:IEC] - Thermal coal assets in Tanzania.
Iogen [private] - Leading biotechnology firm specializing in cellulose ethanol
Ion [NYSE:IO] - Leading independent provider of seismic imaging technologies and digital, full-wave imaging solutions for the oil and gas industry.
National Iranian Oil Company -
Ironhorse Oil & Gas [TSX-V:IOG] - Shackleton in southwest Saskatchewan and Pembina in west central Alberta.
Irving Oil [private] - Regional energy processing, transporting, and marketing company headquartered in Saint John, New Brunswick, Canada,
Isramco - Oil and gas in Israel and in the United States.
Iteration Energy and is now Chinook Energy
Ithaca Energy [TSX-V:IAE] - UK North Sea

JKX Oil and Gas plc [delisted] - Interests in Ukraine, Georgia, Russia, and the USA.
JP Oil - Independent oil and gas producer based in Lafayette, LA, with properties throughout North America. JP Oil
JX Nippon Oil amp; Gas Exploration [an ENEOS company]
Jadela Oil [TSX-V:JOC] - Junior oil and gas exploration company operating in Western Canada and in Texas
Jadestone Energy [LSE:JSE] - Interests in the producing Montara project and the Stag oilfield, offshore Western Australia.
James River Coal [NASDAQ:JRCC] - Mines and sells bituminous, steam and industrial-grade coal through six operating subsidiaries located throughout Eastern Kentucky and Southern Indiana.
Japan Canada Oil Sands Limited was acquired by Greenfire Resources
Jericho Energy Ventures [TSX-V:JEV] - Investments in Low Carbon energy sources, technologies, and applications
Jersey Oil & Gas [LSE:JOG] - British independent North Sea focused upstream oil and gas company.
Jones Energy was acquired by Revolution Resources
Journey Energy [TSX:JOY] - Exploration, development, and production of oil and natural gas in the Western Canada Sedimentary Basin
Junex [TSX-V:JNX] - Natural gas in Quebec
Jupiter Energy [ASX:JPR] - Oil and gas in Kazakhstan.
Jupiter Resources was acquired by Tourmaline Oil
Jura Energy [TSX-V:JEC] - Engaged in the exploration, development and production of petroleum and natural gas properties in Pakistan.

K2 Energy [NEX:KTE] - Engaged in direct investment in onshore oil and gas drilling opportunities in the United States
KCS Energy merged with Petrohawk Energy, which was acquired by BHP
KFG Resources is now Cadillac Ventures
KFx is now Evergreen Energy
KLX Energy Services [NASDAQ:KLXE] - Oonshore provider of value-added, mission critical oilfield services focused on completion, intervention and production activities for the most technically demanding wells.
Kairiki Energy [ASX:KIK] - Philippines
Kallisto Energy [TSX-V:KEC] - Calgary-based junior oil and natural gas exploration and production company. (was Arrow Energy)
Kaneb Pipe Line Partners and Kaneb Services LLC were acquired by Valero Energy Corporation
Karoon Energy [ASX:KAR] - Formed for the purpose of acquiring permits and continuing the exploration in the Onshore Gippsland Basin in Victoria's south east.
KazMunaiGaz - Created with the aim of comprehensive development of the petroleum industry
Keeper Resources was acquired by Vietnam Resource Investments, an investment fund managed by Dragon Capital
Kelman Technologies is now Katalyst Data Management
Kelso Energy was acquired by Costa Energy, now Artek Exploration
Kencana Petroleum is now Sapura Energy
Kentucky USA Energy [OTC:KYUS] - New Albany Shale on its leasehold properties in western Kentucky
Kereco Energy became Cadence Energy, then was acquired by Barrick Gold
Kerr McGee was acquired by Anadarko Petroleum, then acquired by Occidental Petroleum
Kestrel Energy was acquired by Samson Oil and Gas
Ketch Resources Trust was acquired by Advantage Oil & Gas
Key Energy Services [OTC:KEGX] - Offers its clients the most comprehensive and advanced array of onshore energy production services available from a single company
Key Petroleum [ASX:KEY] - England, Italy, Tanzania, and Suriname
Keyera Corporation [TSX:KEY] - One of the largest natural gas midstream businesses in Canada
Kick Energy was acquired by Highpine Oil & Gas, which was acquired by Sinopec Canada
Kicking Horse Oil & Gas (merger of Contact Exploration and Donnycreek Energy) was acquired by Whitecap Resources
Kilgore Oil & Gas [ASX:KOG] - Oil and gas exploration projects in the United States of America.
Kimberley Oil became European Gas, now Fitzroy River
Kimsu Oil - South Louisiana Oil & Gas Prospect Originating Company
Kina Petroleum [ASX:KPL] - Papua New Guinea
Kinder Morgan [NYSE:KMI] - One of the largest pipeline transportation and energy storage companies in North America.
Kinetik (merger of Altus Midstream and EagleClaw Midstream) [NASADQ:KNTK] - Midstream services provider in the Delaware Basin in the Permian
Kinetiko Energy [ASX:KKO] - Coal bed methane opportunities in Africa
Kodiak Oil & Gas [AMEX:KOG] - U.S. Rocky Mountain region
Kodiak Petroleum [OTC:KDKN] - Focus is on development of onshore oil, gas and CO2 properties within North America
Kolibri Global Energy (was BNK Petroleum) [TSX:KEI] - Ardmore Basin - Oklahoma
Korea National Oil Company - Acquiring new competencies in the fields of petroleum development, stockpiling, and information services, firmly establishing itself as a major petroleum developer, a Northeast Asian petroleum logistics hub, and a world-class energy specialist.
Korean Resources - Focusing on bituminous coal, uranium, iron, copper, zinc, nickel which our government has selected as the 6 strategic minerals
Kroes Energy is now Vecta Energy
Kosmos Energy [NYSE:KOS] - Assets include oil production and exploration in proven basins offshore Ghana, Equatorial Guinea and the U.S. Gulf of Mexico, as well as a world-class gas development offshore Mauritania and Senegal.
Kulczyk Oil Ventures is now Serinus Energy
KUTh Energy [ASX:KEN] - Geothermal energy projects in Tasmana, Queensland, and Vanuatu.
Kuwait National Petroleum Company - One of the largest oil complexes in the world. It houses three major oil refineries. KNPC's refineries are distributed within 15 Kilometers of each other and are located in Mina Abdulla, Mina Al-Ahmadi and Shuaiba.
Kuwait Petroleum Corporation [state-owned] - Responsible for Kuwait's hydrocarbon interests throughout the world.
Kuwait Petroleum International - International marketing arm of Kuwait Petroleum Corporation
Kyocera Solar [Subsidiary of Kyocera [NYSE:KYO]] - One of the largest vertically-integrated producers and suppliers of solar energy products.

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