Top 10 Oil and Gas Companies in Houston (Updated 2025)

Did you know that Houston is home to over 4,700 energy-related companies and 1,100 oilfield service companies? That’s not all—this powerhouse city also boasts more than 180 pipeline establishments!

Houston isn’t just leading in traditional energy. The city is also making waves in renewable energy, with over 150 solar companies and more than 40 wind-related businesses calling it home.

With its rich history, industry concentration, and ability to adapt, Houston is undeniably a global energy hub. So, let’s explore the trending list of Oil and Gas Companies in Houston!

List of the Top 10 Oil and Gas Companies in Houston in 2025

1. Saudi Aramco

• Founded: 1933
• Headquarters: Dhahran, Saudi Arabia
• Top local executive: Amin H. Nasser
• Revenue in 2024 (TTM): ₹40.795 Trillion   

Saudi Aramco is one of the biggest integrated energy and chemical businesses globally with current earnings of $488.98 Billion according to its latest financial reports.

Aramco Americas, a subsidiary of Saudi Aramco, is one of the top oil and gas companies in Houston, managing downstream operations and investments across the Americas. It also has over 500 employees working across the U.S.

The Aramco Americas’ Houston Research Center plays a key role in advancing upstream research and technology, focusing on improving hydrocarbon discovery and recovery. This dedication to innovation is reflected in Saudi Aramco’s impressive performance.

In the third quarter of 2024, Saudi Aramco’s total hydrocarbon production reached 12.7 million barrels of oil equivalent per day (mmboed).

Additionally, as of January 2025, Saudi Aramco’s market cap is $1.797 trillion, making it the 6th most valuable company in the world.

2. Sinopec

• Founded: 2000
• Headquarters: Beijing, China
• Top local executive: Zhang Dong
• Revenue in 2024 (TTM): ₹36.289 Trillion

One of China’s biggest integrated chemical and energy businesses is Sinopec Corp. Its principal operations include the exploration and production, pipeline transportation, and sale of petroleum and natural gas. Additionally, it engages in an import and export agency business for petroleum, natural gas, petroleum products, petrochemicals, and chemical products.

Moreover, the Company is a large-scale integrated energy and chemical company with upstream, midstream, and downstream operations. Its presence in Houston is significant, with the Sinopec Tech Houston Center (STHC) being the company’s 9th R&D center. The center focuses on key areas such as Petroleum Engineering, Exploration & Production (E&P), and Petrochemicals.

In terms of production, from January to September 2024, Sinopec processed 190.69 million metric tons of crude oil (5.08 million barrels per day), reflecting a 1.6% decrease compared to the previous year. Additionally, refined fuel output saw a slight decline of 0.8%, totaling 116.6 million tons.

Yet, as of January 2025, Sinopec’s market cap is  $94.69 Billion, making it the 185th most valuable company in the world.

3. PetroChina

• Founded: 1999
• Headquarters: Beijing, China
• Top local executive: Ma Yongsheng
• Revenue in 2024 (TTM): ₹34.861 Trillion

PetroChina Company Limited is a Chinese oil and gas company, and the world’s second-largest oil and gas company based on revenue in 2024. It offers services and goods connected to the petroleum industry. Its subsidiary, PetroChina International (America), Inc. (PCIA), is a key player among top oil and gas companies in Houston.

In the first three quarters of 2024, PetroChina’s oil and gas equivalent output increased by 2% year-over-year, reaching 1.342 billion barrels.

Moreover, as of January 2025, PetroChina’s market cap is $202.21 Billion, making it the 67th most valuable company in the world.

4. Exxon Mobil

• Founded: 1882
• Headquarters: Texas, U.S.
• Top local executive: Joseph Hooley
• Revenue in 2024 (TTM): ₹28.356 Trillion

Firstly, Exxon Mobil is an oil and natural gas exploration, production, trading, transport, and sales company. Moreover, it is a market leader in the energy and chemical manufacturing industries for profitability, operating facilities, and selling products worldwide. Additionally, ExxonMobil conducts exploration for natural gas and oil on six continents.

Furthermore, they use the four brands—Esso, Exxon, Mobil, and ExxonMobil—to market fuels, lubricants, and chemicals. In Q3 2024, the company’s production reached 4.6 million oil-equivalent barrels per day, a 5% increase from the previous period.

Additionally, Exxon Mobil’s market cap is $474.84 Billion as of January 2025, making it the 19th most valuable company in the world.

5. Shell PLC

• Founded: 1907
• Headquarters: London, England, UK
• Top local executive: Wael Sawan
• Revenue in 2024 (TTM): ₹24.756 Trillion

Shell is a global energy corporation that operates in 70 countries. They are engaged in the production, marketing, refining, and exploration of natural gas and oil, as well as the production and distribution of chemicals. In addition, Shell produced approximately 23 million barrels through joint ventures and associates.

Shell USA, Inc., a fully owned subsidiary of Shell plc, plays a significant role as one of the list of energy companies in Houston.

Shell, the world’s largest LNG trader, sold 17 million metric tons of LNG in 2024. Earnings from oil and gas production rose 9%, with a 3% production increase as new fields started operating.

As of January 2025, Shell’s market cap is $195.27 Billion, making it the 71st most valuable company in the world.

6. TotalEnergies

• Founded: 1924
• Headquarters: Courbevoie, France
• Top local executive: Mr. Pouyanné
• Revenue in 2024 (TTM): ₹16.955 Trillion

One of the seven supermajor oil companies, TotalEnergies, is a global, French company that combines energy and petroleum business operations.

Its operations cover the whole oil and gas value chain, including the production and exploration of crude oil and natural gas. It also deals with the production of electricity, transportation, refining, marketing of petroleum products, and worldwide trading of crude oil and petroleum products.

In Q3 2024, TotalEnergies produced 2,409 thousand barrels of oil equivalent per day. The deployment of TotalEnergies in the U.S. has made it the nation’s top exporter of liquefied natural gas and one of the five largest solar and wind power producers.

Moreover, as of January 2025, TotalEnergies’s market cap is $130.71 Billion, making it the 129th most valuable company in the world.

7. BP

• Founded: 1909
• Headquarters: London, England, UK
• Top local executive: Helge Lund
• Revenue in 2024 (TTM): ₹16.315 Trillion

BP is a London, England-based international oil and gas business that was founded in Britain. Based on sales and earnings, it is among the largest enterprises in the world and one of the oil and gas “supermajors”.

Firstly, with five production platforms and plans to add more, BP’s Gulf of Mexico operation, headquartered in Houston, can produce more than 400,000 barrels of oil equivalent per day (boe/d).

In Q4 2024, BP’s upstream production was expected to decline compared to the previous quarter, with lower output in oil, gas, and low-carbon energy.

Yet, as of January 2025, BP’s market cap is $81.61 Billion, making it the 227th most valuable company in the world.

8. Chevron

• Founded: 1879
• Headquarters: California, United States
• Top local executive: Mike Wirth 
• Revenue in 2024 (TTM): ₹16.186 Trillion

Chevron is one of the top oil and gas companies in Houston. Firstly, Chevron is an oil business that operates both downstream and upstream. Furthermore, Chevron also engages in non-energy sectors such as technological development, mining, and chemical operations. 

Chevron has started water injection operations at its Jack/St. Malo and Tahiti facilities in the U.S. Gulf of Mexico to enhance oil and gas recovery. These projects aim to boost production to 300,000 net barrels of oil equivalent per day by 2026.

Chevron’s five U.S. refineries can process over 1 million barrels of oil daily. In Q3 2024, the company set a record by producing about 900,000 barrels of oil equivalent per day in the Permian Basin.

Lastly, Chevron’s market cap is $278.50 Billion as of January 2025, making it the 34th most valuable company in the world.

9. Marathon Petroleum

• Founded: 2009
• Headquarters: Findlay, Ohio, U.S.
• Top local executive: Mr. Hennigan
• Revenue in 2024 (TTM): ₹11.845 Trillion

The headquarters of American petroleum refining, marketing, and transportation firm Marathon Petroleum Corporation are located in Findlay, Ohio. The business was a corporate spin-off in 2011 after being a fully owned subsidiary of Marathon Oil. The company holds 13 refineries with a total crude oil throughput of 3 million barrels per calendar day (bpcd).

The company expected to produce 393,000 barrels of oil equivalent per day (boepd) in 2024, slightly above its previous forecast of 391,000 boepd.

Moreover, Marathon Petroleum is the 420th most valuable company in the world with a market cap of $48.41 Billion as of January 2025. 

10. Valero Energy

• Founded: 1980
• Headquarters: Texas, United States
• Top local executive: Joe Ogilvie
• Revenue in 2024 (TTM): ₹11.223 Trillion

Valero Energies Corporation is one of the top oil and gas companies in Houston. Valero Energy Corporation is an American-based downstream petroleum company mostly involved in manufacturing and marketing transportation fuels, other petrochemical products, and power.

In Q3 2024, Valero Energy processed 2.9 million barrels of oil per day. Renewable diesel sales averaged 3.5 million gallons daily, while ethanol production reached 4.6 million gallons per day.

Yet, as of January 2025, Valero Energy’s market cap is $43.72 Billion, making it the 471th most valuable company in the world.

We have reached the end of the list of the Top 10 Oil and Gas Companies in Houston. Now let’s take a look at some detailed insights of the list.

Expert Takeaways

Nandini Mendhi