United States

Top 310 largest US Companies in the Energy sector by Market Cap

This is the list of the largest public listed companies in the Energy sector from the United States by market capitalization with links to their reference stock and industry.

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Top Energy Companies from the United States as of Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
31 Marathon Oil Corporation $16.10 B

(July 1, 2024)

 United States US Energy US Oil & Gas E&P
32 Magellan Midstream Partners, L.P. $13.13 B

(July 1, 2023)

 United States US Energy US Oil & Gas Midstream
33 Plains All American Pipeline, L.P. $12.85 B United States US Energy US Oil & Gas Midstream
34 Viper Energy Partners LP $12.65 B United States US Energy US Oil & Gas Midstream
35 Chesapeake Energy Corp $10.79 B

(July 1, 2024)

 United States US Energy US Oil & Gas E&P
36 Antero Resources Corporation $10.57 B United States US Energy US Oil & Gas E&P
37 Ovintiv Inc. $10.25 B United States US Energy US Oil & Gas E&P
38 Sunoco LP $9.92 B United States US Energy US Oil & Gas Refining & Marketing
39 Phillips 66 Partners LP $9.59 B

(March 1, 2022)

 United States US Energy US Oil & Gas Midstream
40 Apache Corporation $9.07 B United States US Energy US Oil & Gas E&P
41 APA Corp $8.68 B United States US Energy US Oil & Gas E&P
42 Antero Midstream Corporation $8.58 B United States US Energy US Oil & Gas Midstream
43 Range Resources Corporation $8.41 B United States US Energy US Oil & Gas E&P
44 DCP Midstream, LP $8.19 B

(Jan. 1, 2023)

 United States US Energy US Oil & Gas Midstream
45 Southwestern Energy Company $7.62 B

(July 1, 2024)

 United States US Energy US Oil & Gas E&P
46 National Fuel Gas Company $7.44 B United States US Energy US Oil & Gas Integrated
47 Hess Midstream LP $7.28 B United States US Energy US Oil & Gas Midstream
48 Comstock Resources, Inc. $6.91 B United States US Energy US Oil & Gas E&P
49 EnLink Midstream, LLC $6.75 B

(Jan. 1, 2025)

 United States US Energy US Oil & Gas Midstream
50 PDC Energy, Inc. $6.42 B

(Jan. 1, 2025)

 United States US Energy US Oil & Gas E&P
51 Uranium Energy Corp. $6.34 B United States US Energy US Uranium
52 Shell Midstream Partners, L.P. $6.22 B

(Oct. 1, 2022)

 United States US Energy US Oil & Gas Midstream
53 NOV Inc. $6.09 B United States US Energy US Oil & Gas Equipment & Services
54 HollyFrontier Corporation $5.91 B

(March 1, 2022)

 United States US Energy US Oil & Gas Refining & Marketing
55 Weatherford International plc $5.81 B United States US Energy US Oil & Gas Equipment & Services
56 Equitrans Midstream Corporation $5.55 B

(July 1, 2024)

 United States US Energy US Oil & Gas Midstream
57 Matador Resources Company $5.40 B United States US Energy US Oil & Gas E&P
58 CNX Resources Corporation $5.26 B United States US Energy US Oil & Gas E&P
59 ChampionX Corporation $5.06 B

(July 1, 2025)

 United States US Energy US Oil & Gas Equipment & Services
60 Centrus Energy Corp. $4.96 B United States US Energy US Uranium

Top Energy Companies from the United States as of Jan. 01, 2026

31. 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

32. Magellan Midstream Partners, L.P.

Company Profile: Magellan Midstream Partners, L.P.
Market Cap (USD): $13.13 B (July 1, 2023)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

33. Plains All American Pipeline, L.P.

Company Profile: Plains All American Pipeline, L.P.
Market Cap (USD): $12.85 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

34. Viper Energy Partners LP

Company Profile: Viper Energy Partners LP
Market Cap (USD): $12.65 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

35. 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

36. Antero Resources Corporation

Company Profile: Antero Resources Corporation
Market Cap (USD): $10.57 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

37. Ovintiv Inc.

Company Profile: Ovintiv Inc.
Market Cap (USD): $10.25 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

38. Sunoco LP

Company Profile: Sunoco LP
Market Cap (USD): $9.92 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Refining & Marketing

39. Phillips 66 Partners LP

Company Profile: Phillips 66 Partners LP
Market Cap (USD): $9.59 B (March 1, 2022)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

40. Apache Corporation

Company Profile: Apache Corporation
Market Cap (USD): $9.07 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

41. APA Corp

Company Profile: APA Corp
Market Cap (USD): $8.68 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

42. Antero Midstream Corporation

Company Profile: Antero Midstream Corporation
Market Cap (USD): $8.58 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

43. Range Resources Corporation

Company Profile: Range Resources Corporation
Market Cap (USD): $8.41 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

44. DCP Midstream, LP

Company Profile: DCP Midstream, LP
Market Cap (USD): $8.19 B (Jan. 1, 2023)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

45. 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

46. National Fuel Gas Company

Company Profile: National Fuel Gas Company
Market Cap (USD): $7.44 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Integrated

47. Hess Midstream LP

Company Profile: Hess Midstream LP
Market Cap (USD): $7.28 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

48. Comstock Resources, Inc.

Company Profile: Comstock Resources, Inc.
Market Cap (USD): $6.91 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

49. EnLink Midstream, LLC

Company Profile: EnLink Midstream, LLC
Market Cap (USD): $6.75 B (Jan. 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

50. 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

51. Uranium Energy Corp.

Company Profile: Uranium Energy Corp.
Market Cap (USD): $6.34 B
Country: United States
Sector: US Energy
Industry: US Uranium

52. Shell Midstream Partners, L.P.

Company Profile: Shell Midstream Partners, L.P.
Market Cap (USD): $6.22 B (Oct. 1, 2022)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

53. NOV Inc.

Company Profile: NOV Inc.
Market Cap (USD): $6.09 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

54. HollyFrontier Corporation

Company Profile: HollyFrontier Corporation
Market Cap (USD): $5.91 B (March 1, 2022)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Refining & Marketing

55. Weatherford International plc

Company Profile: Weatherford International plc
Market Cap (USD): $5.81 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

56. Equitrans Midstream Corporation

Company Profile: Equitrans Midstream Corporation
Market Cap (USD): $5.55 B (July 1, 2024)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

57. Matador Resources Company

Company Profile: Matador Resources Company
Market Cap (USD): $5.40 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

58. CNX Resources Corporation

Company Profile: CNX Resources Corporation
Market Cap (USD): $5.26 B
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

59. ChampionX Corporation

Company Profile: ChampionX Corporation
Market Cap (USD): $5.06 B (July 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

60. Centrus Energy Corp.

Company Profile: Centrus Energy Corp.
Market Cap (USD): $4.96 B
Country: United States
Sector: US Energy
Industry: US Uranium

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