The Largest Energy Companies by Market Cap in March 2026

Saudi Aramco, ExxonMobil, and Chevron command the energy sector.

By Lyle Daly – Updated Mar 6, 2026 at 12:39 PM EST | Fact-checked by Frank Bass

Key Points

Saudi Aramco leads as the world's top energy company with a $1.67 trillion market cap.
ExxonMobil ranks as the largest U.S. oil firm, focusing on oil, gas, and low-emission solutions.
Chevron utilizes AI for operations and faces fines for environmental violations.

Saudi Aramco, also known as Saudi Arabian Oil, tops the list of the world's largest energy companies, followed by ExxonMobil (XOM +2.39%) and Chevron (CVX +2.91%). There's a substantial gap between Saudi Aramco, which is the only energy company worth more than $1 trillion, and the rest of the field.

(Editor's note: Rankings are as of March 5, 2026.)

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Two engineers work in an oilfield. — Image source: Getty Images.

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Ticker Information Table
Name and ticker	Market cap	Current price	Industry
Saudi Arabian Oil (SASE:2222)	$0.0 thousand	SAR 0.00	Oil, Gas and Consumable Fuels
ExxonMobil (NYSE:XOM)	$631.6 billion	$151.67	Oil, Gas and Consumable Fuels
Chevron (NYSE:CVX)	$382.7 billion	$191.71	Oil, Gas and Consumable Fuels
PetroChina (OTC:PCCYF)	$243.4 billion	$1.33	Oil, Gas and Consumable Fuels
Shell Plc (NYSE:SHEL)	$246.4 billion	$87.43	Oil, Gas and Consumable Fuels
TotalEnergies (NYSE:TTE)	N/A	N/A	Oil, Gas and Consumable Fuels
ConocoPhillips (NYSE:COP)	$143.1 billion	$117.02	Oil, Gas and Consumable Fuels
Enbridge (NYSE:ENB)	$117.0 billion	$53.63	Oil, Gas and Consumable Fuels

Data as of Mar 12, 2026. Showing 8 of 8 tickers.

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SASE: 2222

Saudi Arabian Oil

Today's Change

(0.00%) $0.00

Current Price

$0.00

Key Data Points

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Market cap: $1.67 trillion* (as of March 5)
Revenue (TTM): $448.5 billion*
Gross profit (TTM): $220.3 billion*
Five-year annualized return: -2.15%
Year founded: 1933

*Converted from Saudi riyals.

Saudi Arabian Oil, also known as Saudi Aramco (SASE:2222), is a state-owned oil company. It's the world's top oil producer, with production totals of 12.8 million barrels of oil equivalent per day over the first nine months of 2025. It also has the second-largest proven crude oil reserves, second only to Venezuela.

In 2022, Saudi Aramco was the largest public company in the world by market cap when oil prices were high. More recently, falling oil prices have been an issue for Saudi Aramco, causing the oil giant to cut its dividend.

2. ExxonMobil

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NYSE: XOM

ExxonMobil

Today's Change

(2.39%) $3.54

Current Price

$151.67

Key Data Points

Market Cap

$632B

Day's Range

$148.06 - $151.80

52wk Range

$97.80 - $159.60

Volume

1.1K

Avg Vol

20M

Gross Margin

21.56%

Dividend Yield

2.67%

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Market cap: $628.18 billion (as of March 5)
Revenue (TTM): $323.9 billion
Gross profit (TTM): $71.2 billion
Five-year annualized return: 20.61%
Year founded: 1882 (Standard Oil of New Jersey), 1999 (merger of Exxon and Mobil)

ExxonMobil is the largest U.S. oil company. In 2013, it was the world's largest company. It's involved in crude oil and natural gas production, the sale of petroleum products and petrochemicals, lower-emission energy development, and the production of specialty chemical products.

This oil company has a tarnished reputation with the general public. It has used its influence to fight climate change regulations and was responsible for the second-worst oil spill in U.S. history, the 1989 Exxon Valdez disaster off the coast of southern Alaska.

3. Chevron

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NYSE: CVX

Chevron

Today's Change

(2.91%) $5.42

Current Price

$191.71

Key Data Points

Market Cap

$383B

Day's Range

$186.98 - $191.84

52wk Range

$132.04 - $192.41

Volume

1.2K

Avg Vol

11M

Gross Margin

14.66%

Dividend Yield

3.60%

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Market cap: $379.68 billion (as of March 5)
Revenue (TTM): $184.4 billion
Gross profit (TTM): $56.1 billion
Five-year annualized return: 12.23%
Year founded: 1882

Chevron is another leading U.S. oil company with both upstream and downstream operations. Upstream operations refer to exploration and production, while downstream operations refer to refining and marketing. Chevron is notable for leveraging technology to improve its operations, including the use of artificial intelligence (AI) tools for fault detection.

Like ExxonMobil, Chevron has received plenty of criticism for climate change denial and oil spills. The U.S. Environmental Protection Agency (EPA) has also fined Chevron on multiple occasions for violating federal laws, including the Clean Air Act.

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OTC: PCCYF

PetroChina

Today's Change

(3.10%) $0.04

Current Price

$1.33

Key Data Points

Market Cap

$243B

Day's Range

$1.27 - $1.33

52wk Range

$0.59 - $1.36

Volume

153K

Avg Vol

67K

Dividend Yield

4.94%

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Market cap: $239.76 billion (as of March 5)
Revenue (TTM): $413.1 billion*
Gross profit (TTM): $91.7 billion*
Five-year annualized return: 29.40%
Year founded: 1999

*Converted from Chinese yuan.

Based in Beijing, the China National Petroleum Corp., known as PetroChina (PCCYF +3.10%), is China's largest oil company. It's also the top company in Asia in terms of oil production. Over the first three quarters of 2025, it produced 710 million barrels of crude oil.

PetroChina has focused on its renewable energy business so far this decade. It has also committed to having renewables account for one-third of its energy portfolio by 2035 and 50% by 2050.

5. Shell

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NYSE: SHEL

Shell Plc

Today's Change

(2.72%) $2.31

Current Price

$87.42

Key Data Points

Market Cap

$246B

Day's Range

$85.62 - $87.45

52wk Range

$58.55 - $87.46

Volume

6.8K

Avg Vol

Gross Margin

16.67%

Dividend Yield

3.31%

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Market cap: $235.94 billion (as of March 5)
Revenue (TTM): $266.9 billion
Gross profit (TTM): $45.6 billion
Five-year annualized return: 13.59%
Year founded: 1907

Shell (SHEL +2.69%) is a British energy company involved in the exploration and production of oil, natural gas, and renewable energy. It operates in more than 70 countries and produced 2.8 million barrels of oil and gas per day in 2025.

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NYSE: TTE

TotalEnergies

Today's Change

(0.00%) $0.00

Current Price

$0.00

Key Data Points

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Market cap: $163.60 billion (as of March 5)
Revenue (TTM): $182.3 billion
Gross profit (TTM): $52.3 billion
Five-year annualized return: 9.74%
Year founded: 1924

TotalEnergies (TTE +1.70%) is a French oil and chemicals company involved in liquefied natural gas (LNG) production and trading, electricity production from renewable sources, and the refining and marketing of petroleum products.

Formerly known as Total, the company rebranded to TotalEnergies in 2021 as part of its shift toward renewable energy production.

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8. ConocoPhillips

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NYSE: COP

ConocoPhillips

Today's Change

(2.51%) $2.87

Current Price

$117.02

Key Data Points

Market Cap

$143B

Day's Range

$114.07 - $117.15

52wk Range

$79.88 - $122.50

Volume

1.4K

Avg Vol

8.8M

Gross Margin

24.63%

Dividend Yield

2.77%

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Market cap: $142.79 billion (as of March 5)
Revenue (TTM): $58.9 billion
Gross profit (TTM): $14.8 billion
Five-year annualized return: 15.77%
Year founded: 1875

ConocoPhillips (COP +2.51%) is a Houston, Texas–based company involved in the exploration and production of oil and natural gas. It operates in 15 countries, with about half of its production occurring in the U.S.

The drop in oil prices has reduced its profits. To mitigate this, ConocoPhillips is aiming to cut costs by $1 billion in 2026.

9. Enbridge

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NYSE: ENB

Enbridge

Today's Change

(-0.14%) $-0.07

Current Price

$53.63

Key Data Points

Market Cap

$117B

Day's Range

$53.31 - $53.98

52wk Range

$39.73 - $54.41

Avg Vol

4.9M

Gross Margin

32.74%

Dividend Yield

5.10%

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Market cap: $117.56 billion (as of March 5)
Revenue (TTM): $47.7 billion*
Gross profit (TTM): $15.7 billion*
Five-year annualized return: 9.00%
Year founded: 1949

*Converted from Canadian dollars.

Enbridge (ENB -0.14%) is a Canadian energy delivery company. It operates the longest, most complex oil and liquids transportation system in North America, with approximately 18,085 miles of active pipeline. It delivers about 5.8 million barrels of oil and liquids every day in its network.

Enbridge has been responsible for several oil spills and leaks. Some of its projects have also led to protests, with the Dakota Access Pipeline one of the more prominent examples.

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10. Abu Dhabi National Energy Company

Market cap: $82.36 billion* (as of March 5)
Revenue (TTM): $14.9 billion*
Gross profit (TTM): $6.1 billion*
Five-year annualized return: 14.12%
Year founded: 2005

*Converted from United Arab Emirates dirhams.

The Abu Dhabi National Energy Company is a government-controlled energy company with operations in 11 countries. It's also known by the trade name Taqa, which means "energy" in Arabic.

This company's operations include water and power generation, transmission, and distribution, as well as oil and gas exploration and production. In August 2025, it expanded its global water platform by agreeing to acquire GS Inima for $1.2 billion.

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The Largest Energy Companies by Market Cap in March 2026

Saudi Aramco, ExxonMobil, and Chevron command the energy sector.

Key Points

Key Data Points

2. ExxonMobil

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3. Chevron

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5. Shell

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8. ConocoPhillips

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9. Enbridge

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10. Abu Dhabi National Energy Company

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Largest companies by market cap in the energy sector

1. Saudi Aramco

2. ExxonMobil

3. Chevron

4. PetroChina

6. China National Offshore Oil Corporation

7. TotalEnergies

8. ConocoPhillips

10. Abu Dhabi National Energy Company

Energy sector takeaways for investors

Related investing topics

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5. Shell

9. Enbridge