Oil & Gas Stocks: Energy Companies List (2026)

Petrobras is Brazil's majority state-controlled integrated oil and gas company. It produces crude oil and natural gas from world-class deepwater pre-salt fields offshore Brazil, operates refineries that supply much of the Brazilian fuel market, and runs related distribution and petrochemical operations.

Canadian Natural Resources is one of Canada's largest oil and gas producers, with long-life oil sands mining and in-situ operations in Alberta plus conventional crude oil and natural gas assets across Western Canada, the North Sea, and Offshore Africa. Its asset base spans heavy and light crude and gas.

Suncor Energy is a Canadian integrated energy company centered on Alberta oil sands mining and in-situ production. It upgrades and refines crude into petroleum products at Canadian refineries and markets fuels through its Petro-Canada retail network, integrating upstream oil sands with downstream operations.

EOG Resources is a large US independent exploration and production company producing crude oil, natural gas, and natural gas liquids. It operates premium acreage in the Permian Basin's Delaware play, the Eagle Ford, and other US onshore basins, using horizontal drilling across its unconventional resource positions.

Imperial Oil is a Canadian integrated energy company, majority owned by ExxonMobil. It produces crude oil from Alberta oil sands operations including Kearl and Cold Lake, refines petroleum products at multiple Canadian refineries, and markets fuels through Esso and Mobil retail stations across Canada.

Occidental Petroleum is a US oil and gas producer with a leading Permian Basin acreage position and operations in the Rockies, the Gulf of Mexico, and the Middle East. It also runs a chemicals business and a carbon management unit developing direct air capture and enhanced oil recovery.

Diamondback Energy is a pure-play oil and gas producer focused on the Permian Basin in West Texas. It develops crude oil and natural gas from the Midland and Delaware basins and, through its 2024 merger with Endeavor Energy Resources, became one of the largest independent Permian operators.

Cenovus Energy is a Canadian integrated oil and gas company. It produces bitumen and heavy crude from Alberta oil sands using steam-assisted gravity drainage, operates conventional oil and gas assets, and runs refining and upgrading facilities in Canada and the United States that process its production into fuels.

Devon Energy is a US independent oil and gas producer operating in the Permian Basin, the Eagle Ford, the Anadarko Basin, the Williston Basin, and the Rockies. It explores for and produces crude oil, natural gas, and natural gas liquids from unconventional onshore acreage.

Cheniere Energy is the largest US producer and exporter of liquefied natural gas. It owns and operates the Sabine Pass terminal in Louisiana and the Corpus Christi terminal in Texas, liquefying domestic natural gas for export to international buyers under long-term contracts.

EQT is a US natural gas producer operating primarily in the Appalachian Basin across the Marcellus and Utica shales in Pennsylvania, West Virginia, and Ohio. It explores for and produces natural gas and, through its acquisition of pipeline assets, has integrated midstream gathering and transmission into its operations.

Venture Global is a US producer and exporter of liquefied natural gas. It develops and operates large-scale LNG facilities on the Louisiana Gulf Coast, including Calcasieu Pass and Plaquemines, liquefying domestic natural gas for export under long-term sale and purchase agreements with international buyers.

Expand Energy is a US natural gas exploration and production company formed when Chesapeake Energy and Southwestern Energy merged and rebranded in October 2024. It operates upstream in the Appalachian Marcellus and Utica shales and the Louisiana Haynesville, and is by company positioning the largest independent natural gas producer in the United States.

Permian Resources is a pure-play upstream exploration and production company focused entirely on the Delaware Basin portion of the Permian in West Texas and New Mexico. It develops crude oil and associated natural gas through horizontal drilling and has grown through acreage acquisitions across its core operating area.

Ovintiv is a North American upstream oil and gas producer, formerly Encana, with operations across the Permian Basin, the Anadarko Basin, and the Montney play in Canada. It explores for and produces crude oil, condensate, and natural gas, and runs an active multi-basin drilling program focused on liquids-rich acreage.

APA Corporation is the holding company for Apache, an upstream oil and gas producer. Its exploration and production operations span the Permian Basin in the United States, Egypt's Western Desert, and the North Sea, alongside exploration interests offshore Suriname. The business is centered on crude oil and natural gas.

Antero Resources is an upstream producer focused on natural gas and natural gas liquids in the Appalachian Marcellus and Utica shales of West Virginia and Ohio. It is one of the larger US natural gas and NGL producers and holds firm transportation capacity to move output to multiple markets.

Chord Energy is an upstream exploration and production company concentrated in the Williston Basin of North Dakota and Montana, the heart of the Bakken shale. Formed from the combination of Oasis Petroleum and Whiting Petroleum, it produces crude oil and natural gas from unconventional horizontal wells.

Shell is a global integrated energy major with upstream oil and gas production, one of the world's largest LNG portfolios, refining and chemicals, and an extensive retail fuel network. It is also investing in lower-carbon energy including biofuels, hydrogen, and power.

TotalEnergies is a French integrated energy major producing crude oil and natural gas worldwide, with a large LNG business, refining, chemicals, and a global service station network. It also operates a growing renewable power and electricity segment alongside its core hydrocarbon operations.

Enbridge is a North American energy infrastructure company operating one of the continent's largest crude oil and liquids pipeline networks, plus natural gas transmission and distribution systems. It transports a significant share of North American crude oil and natural gas and also owns renewable power assets.

BP is a global integrated oil and gas major with upstream crude oil and natural gas production, refining, and a worldwide fuels and convenience retail network. It also operates trading, lubricants, and a growing portfolio of lower-carbon energy and electric vehicle charging businesses.

Equinor is a Norwegian integrated energy company and the majority state-owned operator of oil and natural gas fields on the Norwegian Continental Shelf, with international upstream interests. It produces and markets crude oil and gas and is also building an offshore wind and lower-carbon energy portfolio.

Williams is a US natural gas infrastructure company handling a large share of the nation's natural gas through its Transco and Northwest pipeline systems and gathering and processing operations. It transports gas from major producing basins to demand centers and export markets.

SLB, formerly Schlumberger, is one of the world's largest oilfield services companies, operating across dozens of countries. It provides reservoir characterization, drilling, well construction, and production technology to oil and gas operators, and develops digital platforms and lower-carbon technologies for the energy industry.

Enterprise Products Partners is a midstream master limited partnership operating one of the largest North American networks of pipelines, storage, processing plants, and export terminals. It moves crude oil, natural gas, natural gas liquids, and petrochemicals, earning predominantly fee-based revenue from transporting and handling hydrocarbon volumes.

Marathon Petroleum is one of the largest US petroleum refiners, operating a network of refineries that process crude oil into gasoline, diesel, and other products. It markets fuels through branded retail outlets and holds a majority interest in the midstream master limited partnership MPLX.

Valero Energy is one of the largest US independent petroleum refiners, operating refineries across North America and the United Kingdom that process crude oil into gasoline, diesel, and jet fuel. It is also a large renewable diesel and ethanol producer and exports refined products globally.

Phillips 66 is a diversified downstream energy company operating refineries that turn crude oil into transportation fuels, along with midstream, chemicals, and marketing businesses. It also produces renewable fuels and markets refined products through branded retail and wholesale channels in the US and Europe.

TC Energy is a North American energy infrastructure company focused on natural gas pipelines, natural gas storage, and power and energy solutions after spinning off its liquids pipelines business into South Bow in 2024. Its systems move natural gas across Canada, the United States, and Mexico under regulated and contracted arrangements.

Kinder Morgan is one of North America's largest energy infrastructure companies, operating natural gas pipelines that carry a large share of US gas, along with products pipelines, terminals, and carbon dioxide assets. It earns predominantly fee-based revenue from moving and storing hydrocarbons.

Energy Transfer is a large midstream master limited partnership operating an extensive North American network of natural gas, crude oil, natural gas liquids, and refined product pipelines, plus processing plants, storage, and Gulf Coast export terminals. Its revenue is largely fee based on hydrocarbon volumes.

Baker Hughes is an energy technology company supplying equipment and services to oil and gas producers, including drilling and evaluation tools, completion and production systems, and gas technology. Its turbomachinery is widely used in LNG liquefaction, and it also develops industrial and energy-transition technologies.

Targa Resources is a North American midstream energy company. It gathers, processes, and transports natural gas and natural gas liquids, with extensive Permian Basin gathering and processing systems, NGL fractionation at Mont Belvieu, and export terminals on the Gulf Coast that ship liquefied petroleum gas internationally.

MPLX is a midstream master limited partnership sponsored by Marathon Petroleum. It owns crude oil and refined product pipelines, terminals, and natural gas gathering and processing assets, with significant operations in the Marcellus and Utica shales, generating largely fee-based revenue from hydrocarbon logistics.

ONEOK is a US midstream company specializing in natural gas and natural gas liquids infrastructure. It gathers, processes, fractionates, transports, and stores natural gas and NGLs, with major assets including the Mont Belvieu fractionation and storage complex serving Permian and Bakken basin production.

Halliburton is one of the largest oilfield services companies, providing drilling, completion, and production services to oil and gas operators. It is a major provider of hydraulic fracturing, cementing, and artificial lift, with a large North American footprint and international operations.

TechnipFMC is an oilfield services and equipment company specializing in subsea systems for offshore oil and gas production. It designs and manufactures subsea trees, manifolds, and flexible pipe, and provides engineering and project delivery for deepwater developments, alongside surface wellhead and pressure control equipment.

Western Midstream is a midstream master limited partnership that gathers, processes, treats, and transports natural gas, natural gas liquids, crude oil, and produced water. Its assets are concentrated in the Delaware Basin, the DJ Basin, and the Powder River Basin, serving upstream producers under fee-based contracts.

HF Sinclair is a US refining and marketing company formed from the combination of HollyFrontier and Sinclair Oil. It operates refineries in the Mid-Continent, Southwest, and Rocky Mountain regions, produces renewable diesel, markets fuels through Sinclair-branded stations, and holds lubricants and midstream logistics operations.

NOV is an oilfield equipment and technology company supplying drilling rigs, rig components, drill pipe, downhole tools, pumps, and production equipment to oil and gas operators worldwide. Its products support onshore and offshore drilling, completion, and production activities across the upstream value chain.

Texas Pacific Land owns extensive surface acreage and oil and gas royalty interests across the Permian Basin in West Texas. It earns royalties on hydrocarbons produced on its land by third-party operators and generates revenue from water sourcing, surface leases, and easements tied to drilling activity.