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Large-Cap Oil Stocks

U.S. Exchanges

List of Large-Cap Oil & Gas Stocks Listed on U.S. Exchanges

This list includes large-sized oil & gas companies with a market capitalization over ten billion dollars. We update this page at the start of every month so it is possible that a stock’s market cap might fall below ten billion dollars between updates. Additional oil & gas companies can be found in the following sections:

Publicly Traded Energy Companies

Mid-Cap Oil & Gas

Small-Cap Oil & Gas

Micro-Cap Oil & Gas

Nano-Cap Oil & Gas

In parentheses you will find a short description, areas of focus or the state or geographical location where the companies’ primary activities are located.


Additional publicly traded energy companies and energy categories can be accessed through the link below:

List of Energy Companies

A comparison widget that shows trend, earnings per share (EPS), P/E ratio and beta for each of the companies on this list can be accessed through the link below.

Large-Cap Oil &Gas Industry Comparison Widget

Select the company’s link to access charts, news links and company website and social media information.


Andeavor (ANDV) (Formerly Tesoro Corporation: refineries, convenience stores, wholesales, commercial products)

Marathon Petroleum Corporation (MPC) (Refineries, pipelines, convenience stores)

Phillips 66 (PSX) (Refineries, chemical manufacturing, marketing, midstream assets)

Ultrapar Participacoes S.A. (UGP) (Brazil: specialized distribution and retail; specialty chemicals; storage for liquid bulk)

Valero Energy Corporation (VLO) (Refineries, convenience stores, ethanol plants)

Equipment and Services

Baker Hughes, a GE Company (BHGE) (Reservoir navigation and development services, real-time drilling and evaluation services, reservoir consulting)

Halliburton Company (HAL) (Operating segments include Completion and Production and Drilling and Evaluation)

National Oilwell Varco, Inc. (NOV) (Designs and manufactures equipment and components used by companies in the oil & gas industry)

Schlumberger (SLB) (Technology, integrated project management and information solutions used by companies in the oil and gas exploration and production industry)

Exploration and Production

Anadarko Petroleum Corporation (APC) (Onshore and offshore operations)

Apache Corporation (APA) (Onshore and Offshore: International and domestic operations)

Cabot Oil & Gas Corporation (COG) (Pennsylvania: Natural Gas and Texas: Oil)

Canadian Natural Resources Limited (CNQ) (Canada: Activities in North America, the North Sea and Offshore Africa)

Cimarex Energy Co. (XEC) (New Mexico, Oklahoma and Texas)

CNOOC Limited (CEO) (China’s Largest Offshore Oil & Gas Producer)

Concho Resources Inc. (CXO) (New Mexico and Texas)

ConocoPhillips (COP) (Activities located in approximately 27 countries)

Continental Resources, Inc. (CLR) (Montana, North Dakota and Oklahoma)

Devon Energy Corporation (DVN) (Activities Extend from Western Canada to the Gulf Coast Region)

Encana Corporation (ECA) (Canada: Activities onshore throughout North America)

EOG Resources, Inc. (EOG) (Canada, China, Trinidad, the United Kingdom and the United States)

EQT Corporation (EQT) (Appalachian Basin)

Hess Corporation (HES) (Asia Pacific, Gulf of Mexico, North Sea, United States, West Africa)

Marathon Oil Corporation (MRO) (Africa, Europe, the Middle East and North America)

Noble Energy Inc. (NBL) (Onshore and Offshore – International and Domestic)

Occidental Petroleum Corporation (OXY) (Onshore and Offshore – International and Domestic)

Pioneer Natural Resources Company (PXD) (New Mexico and Texas)

Integrated Oil & Gas

BP Plc. (BP) (United Kingdom: Integrated Oil & Gas)

Cenovus Energy Inc. (CVE) (Canada: Activities in Alberta and Saskatchewan)

Chevron Corporation (CVX) (Activities are located on six different continents)

China Petroleum & Chemical Corporation (SNP) (China: Integrated Oil & Gas)

Ecopetrol S.A. (EC) (Columbia: Integrated oil & gas company; activities in Brazil, Peru and the United States Gulf Coast)

ENI S.P.A. (E) (Italy: Integrated Oil & Gas)

Exxon Mobil Corporation (XOM) (Activities are located on six different continents)

Imperial Oil Limited (IMO) (Canada: Integrated Oil & Gas)

Petroleo Brasileiro S.A. (PBR) (Brazil: Integrated oil & gas company)

PetroChina Company Limited (PTR) (China: Integrated oil & gas company; largest oil producer in China)

Royal Dutch Shell Plc. (RDS.A) (Netherlands: Integrated Oil & Gas)

Sasol Ltd. (SSL) (South Africa: Integrated Oil & Gas)

Statoil (STO) (Norway: Integrated Oil & Gas)

Suncor Energy Inc. (SU) (Canada: Integrated Oil & Gas)

TOTAL S.A. (TOT) (France: Integrated Oil & Gas)


Enbridge Inc. (ENB)

Enbridge Energy, L.P. (EEP) (Pipelines, processing facilities, NGL fractionation facilities, storage terminals)

Energy Transfer Equity, L.P. (ETE)

Energy Transfer Partners (ETP) (Pipelines, storage facilities, NGL fractionation facilities, convenience stores)

Enterprise Products Partners L.P. (EPD) (Pipelines, processing plants, NG L and propylene fractionators, storage facilities)

Kinder Morgan, Inc. (KMI) (One of the largest midstream companies in the world)

Magellan Midstream Partners L.P. (MMP) (Pipelines, terminals, fractionation facilities, storage facilities)

MPLX L.P. (MPLX) (Crude oil pipelines and storage assets)

ONEOK, Inc. (OKE) (Natural gas gathering, processing, storage and transportation)

Pembina Pipeline Corp. (PBA) (Canada)

Plains All American Pipeline, L.P. (PAA) (Pipelines, fractionation plants, natural gas processing plants, rail terminals, storage facilities)

Spectra Energy Partners, LP (SEP) (Pipelines and storage facilities)

Targa Resources Corp (TRGP) (Ownership interest in Targa Resource Partners)

TransCanada Corporation (TRP) (Canada: Pipelines, storage facilities and power generation)

Williams Companies, Inc. (The) (WMB) (Ownership interest in Williams Partners)

Williams Partners L.P. (WPZ) (Natural gas midstream assets and NGL services)

Related Links:

List of Large-Cap Stocks

Stocks by Market Cap

Publicly Traded Companies by Sector and Industry