United States

Top 145 largest US Companies in the Oil & Gas E&P industry by Market Cap

This is the list of the largest public listed companies in the Oil & Gas E&P industry from the United States by market capitalization with links to their reference stock.

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Top Oil & Gas E&P Companies from the United States as of Jul. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
1 ConocoPhillips $118.26 B United States US Energy US Oil & Gas E&P
2 EOG Resources, Inc. $67.07 B United States US Energy US Oil & Gas E&P
3 Pioneer Natural Resources Company $53.57 B

(Jan. 1, 2024)

 United States US Energy US Oil & Gas E&P
4 Hess Corporation $44.39 B United States US Energy US Oil & Gas E&P
5 Occidental Petroleum Corporation $43.23 B United States US Energy US Oil & Gas E&P
6 Diamondback Energy, Inc. $41.17 B United States US Energy US Oil & Gas E&P
7 EQT Corporation $33.61 B United States US Energy US Oil & Gas E&P
8 Texas Pacific Land Corp $24.97 B United States US Energy US Oil & Gas E&P
9 Texas Pacific Land Corporation $24.64 B United States US Energy US Oil & Gas E&P
10 Devon Energy Corporation $21.45 B United States US Energy US Oil & Gas E&P
11 Coterra Energy Inc. $19.24 B

(July 1, 2023)

 United States US Energy US Oil & Gas E&P
12 Marathon Oil Corporation $16.10 B

(July 1, 2024)

 United States US Energy US Oil & Gas E&P
13 Antero Resources Corporation $11.55 B United States US Energy US Oil & Gas E&P
14 Chesapeake Energy Corp $10.79 B

(July 1, 2024)

 United States US Energy US Oil & Gas E&P
15 Ovintiv Inc. $10.41 B United States US Energy US Oil & Gas E&P
16 Range Resources Corporation $9.23 B United States US Energy US Oil & Gas E&P
17 Southwestern Energy Company $7.62 B

(July 1, 2024)

 United States US Energy US Oil & Gas E&P
18 APA Corp $7.22 B United States US Energy US Oil & Gas E&P
19 Apache Corporation $7.05 B United States US Energy US Oil & Gas E&P
20 Comstock Resources, Inc. $7.03 B United States US Energy US Oil & Gas E&P
21 PDC Energy, Inc. $6.42 B

(Jan. 1, 2025)

 United States US Energy US Oil & Gas E&P
22 Matador Resources Company $6.32 B United States US Energy US Oil & Gas E&P
23 CNX Resources Corporation $4.63 B United States US Energy US Oil & Gas E&P
24 Magnolia Oil & Gas Corporation $4.49 B United States US Energy US Oil & Gas E&P
25 Denbury Inc. $4.46 B

(July 1, 2023)

 United States US Energy US Oil & Gas E&P
26 California Resources Corporation $4.21 B United States US Energy US Oil & Gas E&P
27 Centennial Resource Development, Inc. $3.96 B United States US Energy US Oil & Gas E&P
28 Murphy Oil Corporation $3.49 B United States US Energy US Oil & Gas E&P
29 SM Energy Company $2.97 B United States US Energy US Oil & Gas E&P
30 Northern Oil and Gas, Inc. $2.94 B United States US Energy US Oil & Gas E&P

Top Oil & Gas E&P Companies from the United States as of Jul. 01, 2025

1. ConocoPhillips

Company Profile: ConocoPhillips
Market Cap (USD): $118.26 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

2. EOG Resources, Inc.

Company Profile: EOG Resources, Inc.
Market Cap (USD): $67.07 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

3. Pioneer Natural Resources Company

Company Profile: Pioneer Natural Resources Company
Market Cap (USD): $53.57 B (Jan. 1, 2024)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

4. Hess Corporation

Company Profile: Hess Corporation
Market Cap (USD): $44.39 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

5. Occidental Petroleum Corporation

Company Profile: Occidental Petroleum Corporation
Market Cap (USD): $43.23 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

6. Diamondback Energy, Inc.

Company Profile: Diamondback Energy, Inc.
Market Cap (USD): $41.17 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

7. EQT Corporation

Company Profile: EQT Corporation
Market Cap (USD): $33.61 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

8. Texas Pacific Land Corp

Company Profile: Texas Pacific Land Corp
Market Cap (USD): $24.97 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

9. Texas Pacific Land Corporation

Company Profile: Texas Pacific Land Corporation
Market Cap (USD): $24.64 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

10. Devon Energy Corporation

Company Profile: Devon Energy Corporation
Market Cap (USD): $21.45 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

11. Coterra Energy Inc.

Company Profile: Coterra Energy Inc.
Market Cap (USD): $19.24 B (July 1, 2023)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

12. Marathon Oil Corporation

Company Profile: Marathon Oil Corporation
Market Cap (USD): $16.10 B (July 1, 2024)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

13. Antero Resources Corporation

Company Profile: Antero Resources Corporation
Market Cap (USD): $11.55 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

14. Chesapeake Energy Corp

Company Profile: Chesapeake Energy Corp
Market Cap (USD): $10.79 B (July 1, 2024)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

15. Ovintiv Inc.

Company Profile: Ovintiv Inc.
Market Cap (USD): $10.41 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

16. Range Resources Corporation

Company Profile: Range Resources Corporation
Market Cap (USD): $9.23 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

17. Southwestern Energy Company

Company Profile: Southwestern Energy Company
Market Cap (USD): $7.62 B (July 1, 2024)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

18. APA Corp

Company Profile: APA Corp
Market Cap (USD): $7.22 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

19. Apache Corporation

Company Profile: Apache Corporation
Market Cap (USD): $7.05 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

20. Comstock Resources, Inc.

Company Profile: Comstock Resources, Inc.
Market Cap (USD): $7.03 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

21. PDC Energy, Inc.

Company Profile: PDC Energy, Inc.
Market Cap (USD): $6.42 B (Jan. 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

22. Matador Resources Company

Company Profile: Matador Resources Company
Market Cap (USD): $6.32 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

23. CNX Resources Corporation

Company Profile: CNX Resources Corporation
Market Cap (USD): $4.63 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

24. Magnolia Oil & Gas Corporation

Company Profile: Magnolia Oil & Gas Corporation
Market Cap (USD): $4.49 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

25. Denbury Inc.

Company Profile: Denbury Inc.
Market Cap (USD): $4.46 B (July 1, 2023)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

26. California Resources Corporation

Company Profile: California Resources Corporation
Market Cap (USD): $4.21 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

27. Centennial Resource Development, Inc.

Company Profile: Centennial Resource Development, Inc.
Market Cap (USD): $3.96 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

28. Murphy Oil Corporation

Company Profile: Murphy Oil Corporation
Market Cap (USD): $3.49 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

29. SM Energy Company

Company Profile: SM Energy Company
Market Cap (USD): $2.97 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

30. Northern Oil and Gas, Inc.

Company Profile: Northern Oil and Gas, Inc.
Market Cap (USD): $2.94 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

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