Energy stocks
US-listed energy companies by market cap, grouped by industry
$5.08T
total market cap
$5.08T
total market cap
211 of the 5,000 largest US-listed companies are in energy, with a combined market cap of $5.08T, the 6th largest of 12 sectors. The largest are Exxon Mobil (XOM), Chevron (CVX), Shell (SHEL), together 30% of the sector. Its biggest industry by market cap is integrated oil and gas exploration and production (12 companies, $2.44T).
Market cap as of October 23, 2026
Companies
211
of the 5,000 largest
Industries
35
Share of market
5%
of $97.3T
Largest company
Exxon Mobil
XOM · $753B
Largest companies
The 10 largest of the sector by market cap
| # | Company | Industry | Market cap | Share of sector |
|---|---|---|---|---|
| 1 | Exxon Mobil XOM | Integrated Oil and Gas Exploration and Production | $753B | 15% |
| 2 | Chevron CVX | Integrated Oil and Gas Exploration and Production | $457B | 9% |
| 3 | Shell SHEL | Integrated Oil and Gas Exploration and Production | $307B | 6% |
| 4 | TotalEnergies TTE | Integrated Oil and Gas Exploration and Production | $205B | 4% |
| 5 | ConocoPhillips COP | Nationwide US Oil and Gas Extraction | $181B | 4% |
| 6 | Petróleo Brasileiro S.a. - Petrobras PBR | Integrated Oil and Gas Exploration and Production | $169B | 3% |
| 7 | Marathon Petroleum MPC | Americas Oil Processing Facilities | $133B | 3% |
| 8 | BP BP | Integrated Oil and Gas Exploration and Production | $132B | 3% |
| 9 | Valero Energy VLO | Americas Oil Processing Facilities | $121B | 2% |
| 10 | Equinor ASA EQNR | Integrated Oil and Gas Exploration and Production | $116B | 2% |
Industries
35 industries by market cap. Choose one to see its companies.
| Industry | Companies | Market cap | Share of sector |
|---|---|---|---|
| Integrated Oil and Gas Exploration and Production | 12 | $2.44T | 48% |
| Americas Oil Processing Facilities | 11 | $481B | 9% |
| Additional Transport and Holding Operations | 12 | $454B | 9% |
| US Southern Oil and Gas Extraction | 32 | $385B | 8% |
| Nationwide US Oil and Gas Extraction | 17 | $294B | 6% |
| North American Gas Transport and Holding | 2 | $142B | 3% |
| Raw Oil Transport and Holding | 4 | $140B | 3% |
| Additional Americas Oil and Gas Extraction | 7 | $126B | 2% |
| Standard Petroleum Industry Services | 1 | $78.7B | 2% |
| Liquefied Petroleum Gas Sales and Supply | 4 | $78.2B | 2% |
| Oil Marine Shipping | 22 | $59.8B | 1% |
| Oil and Gas Collection Operations | 6 | $57.3B | 1% |
Show all 35 industriesShow fewer
Companies are grouped by the sector and industry of their main source of revenue. Market caps in US dollars.
