The oil and gas industry remains one of the most powerful pillars of the global economy, with companies generating trillions in revenue and profits annually. This article ranks the top 10 richest oil and gas companies by market cap in 2025, revealing which corporations are leading the energy sector across North America, Asia, Europe, and the Middle East.
Market capitalization is a key measure of a company’s value in the eyes of investors. It reflects not only current performance but also long-term growth expectations, global reach, and strategic assets. In the oil and gas industry—where prices are volatile and geopolitical risks are high—market cap reveals which players have both financial strength and market dominance. This list includes state-owned giants, multinational supermajors, and key regional players, each critical to the world’s energy supply.
Top 10 Richest Oil and Gas Companies by Market Cap (2025)
- Saudi Aramco (Saudi Arabia): $1.647 Trillion
- Exxon Mobil (USA): $471.73 Billion
- Chevron (USA): $246.58 Billion
- PetroChina (China): $202.80 Billion
- Shell (UK): $200.70 Billion
- TotalEnergies (France): $132.36 Billion
- ConocoPhillips (USA): $118.88 Billion
- CNOOC (China): $110.83 Billion
- Enbridge (Canada): $97.16 Billion
- TAQA (UAE): $96.43 Billion
Saudi Aramco is in a league of its own, with a market capitalization of $1.647 trillion, more than triple that of its closest competitor. As the national oil company of Saudi Arabia, Aramco controls some of the world’s largest proven oil reserves and enjoys extremely low production costs, making it the most valuable energy company on Earth.
In North America, Exxon Mobil and Chevron continue to dominate. Their diversified portfolios—spanning upstream exploration, refining, and renewable investments—allow them to remain resilient amid price fluctuations and increasing pressure to transition toward clean energy.
Asia features prominently with PetroChina and CNOOC from China, and TAQA from the UAE, all backed or influenced by state policies aimed at securing energy independence and boosting global presence. Shell and TotalEnergies, based in Europe, highlight the continent’s balancing act between fossil fuel legacy and green energy commitments.
Enbridge, while not a traditional upstream oil giant, earns its place through its vast pipeline infrastructure, which is crucial for transporting oil and gas across North America. These companies are not just extracting oil—they are shaping global energy strategy in a world shifting toward decarbonization.
| # | Company Name | Market Cap | Industry | Country |
|---|---|---|---|---|
| 1 | Saudi Aramco | $1.647 Trillion | Oil & Gas | Saudi Arabia |
| 2 | Exxon Mobil | $471.73 Billion | Oil & Gas | USA |
| 3 | Chevron | $246.58 Billion | Oil & Gas | USA |
| 4 | PetroChina | $202.80 Billion | Oil & Gas | China |
| 5 | Shell | $200.70 Billion | Oil & Gas | UK |
| 6 | TotalEnergies | $132.36 Billion | Oil & Gas | France |
| 7 | ConocoPhillips | $118.88 Billion | Oil & Gas | USA |
| 8 | CNOOC | $110.83 Billion | Oil & Gas | China |
| 9 | Enbridge | $97.16 Billion | Oil & Gas | Canada |
| 10 | TAQA | $96.43 Billion | Oil & Gas | UAE |
Disclaimer: The market capitalization figures in this article are based on publicly available data as of May 2025 and are subject to change due to market fluctuations and company performance.
Energy Transition vs. Fossil Fuel Dominance
Despite a growing push toward renewables, the oil and gas sector remains indispensable. These companies are increasingly investing in carbon capture, hydrogen, and biofuels to remain relevant in a greener future. However, fossil fuels still dominate the energy mix, especially in emerging economies, ensuring the continued relevance—and high market caps—of these industry giants.
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