The 10 Biggest Oil Companies Powering the Global Economy

Overview

• The global oil industry is dominated by a few massive corporations that shape energy markets, influence geopolitical strategies, and generate billions in revenue.
• These companies control vast reserves and significantly impact global economic stability.

Top 10 Largest Oil Companies in 2025

1. Saudi Aramco

• Market Cap: ~$1.7 trillion
• Headquarters: Dhahran, Saudi Arabia
• World's largest oil producer and most valuable energy company.
• Accounts for ~10% of global oil supply, producing over 10 million barrels per day.
• Continues investing in oil and gas projects despite energy diversification efforts.
• Notable IPO in 2019 raised $29.4 billion.

2. ExxonMobil

• Market Cap: ~$490 billion
• Headquarters: Irving, Texas, USA
• Operates in over 50 countries focusing on crude oil, natural gas, and petrochemicals.
• Acquired Pioneer Natural Resources for $60 billion.
• Investing in carbon capture and storage (CCS).

3. Chevron Corporation

• Market Cap: ~$281 billion
• Headquarters: San Ramon, California, USA
• Major player in upstream and downstream oil production.
• Significant reserves in the Permian Basin, Kazakhstan, and the Gulf of Mexico.
• Increasing investments in renewable energy, aiming for 100,000 barrels/day of renewable fuels by 2030.

4. PetroChina

• Market Cap: ~$233 billion
• Headquarters: Beijing, China
• Largest oil and gas producer in China.
• Focus on fossil fuel production to meet China's energy demand.
• Aiming for net-zero emissions by 2050.

5. Shell Plc

• Market Cap: ~$220 billion
• Headquarters: London, UK
• Operates in over 70 countries with investments in hydrogen, EV charging, and biofuels.
• LNG business is highly profitable.

6. TotalEnergies

• Market Cap: ~$155 billion
• Headquarters: Paris, France
• Balancing oil production with renewable energy investments.
• Leading in solar, wind, and biofuels.

7. ConocoPhillips

• Market Cap: ~$127 billion
• Headquarters: Houston, Texas, USA
• Expanded in Alaska, Permian Basin, and the North Sea.
• Focuses on crude oil and natural gas extraction.

8. China Shenhua Energy Co.

• Market Cap: ~$118 billion
• Headquarters: Beijing, China
• Primarily coal-focused but expanding in oil and gas.
• Still heavily dependent on fossil fuels.

9. BP Plc

• Market Cap: ~$97 billion
• Headquarters: London, UK
• Transitioning toward renewable energy, focusing on offshore wind, hydrogen, and biofuels.
• Aims for carbon neutrality by 2050.

10. Sinopec

• Market Cap: ~$97 billion
• Headquarters: Beijing, China
• One of the largest oil refiners globally.
• Investing in green hydrogen and carbon capture.

Conclusion

• These companies dominate the global energy sector, influencing fuel prices and government policies.
• Many are investing in renewable energy, but oil remains their backbone.
• Future success depends on balancing profitability with environmental responsibility as the world shifts toward sustainability.