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 Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
61 Empire Petroleum Corp $252.7 M

(March 1, 2022)

 United States US Energy US Oil & Gas E&P
62 W&T Offshore, Inc. $239.5 M United States US Energy US Oil & Gas E&P
63 Ring Energy, Inc. $187.7 M United States US Energy US Oil & Gas E&P
64 Amplify Energy Corp. $187.4 M United States US Energy US Oil & Gas E&P
65 Sintana Energy, Inc. $173.2 M United States US Energy US Oil & Gas E&P
66 PHX Minerals Inc. $165.0 M

(June 1, 2025)

 United States US Energy US Oil & Gas E&P
67 Kolibri Global Energy Inc. $139.1 M United States US Energy US Oil & Gas E&P
68 Lonestar Resources US, Inc. $136.5 M

(Sept. 1, 2021)

 United States US Energy US Oil & Gas E&P
69 Epsilon Energy Ltd. $127.6 M United States US Energy US Oil & Gas E&P
70 Evolution Petroleum Corporation $126.3 M United States US Energy US Oil & Gas E&P
71 Viking Energy Group, Inc. $100.5 M

(Oct. 1, 2023)

 United States US Energy US Oil & Gas E&P
72 Abraxas Petroleum Corporation $92.6 M

(Jan. 1, 2023)

 United States US Energy US Oil & Gas E&P
73 Falcon Minerals Corporation $91.5 M

(Jan. 1, 2023)

 United States US Energy US Oil & Gas E&P
74 Cabot Oil & Gas Corporation $80.6 M

(Jan. 1, 2025)

 United States US Energy US Oil & Gas E&P
75 Alpha Energy, Inc. $72.8 M

(Sept. 1, 2023)

 United States US Energy US Oil & Gas E&P
76 MV Oil Trust $65.8 M

(July 1, 2025)

 United States US Energy US Oil & Gas E&P
77 Permianville Royalty Trust $60.4 M United States US Energy US Oil & Gas E&P
78 PEDEVCO Corp. $58.5 M

(July 1, 2025)

 United States US Energy US Oil & Gas E&P
79 Cross Timbers Royalty Trust $58.2 M

(July 1, 2025)

 United States US Energy US Oil & Gas E&P
80 VOC Energy Trust $49.0 M

(July 1, 2025)

 United States US Energy US Oil & Gas E&P
81 PermRock Royalty Trust $34.3 M United States US Energy US Oil & Gas E&P
82 Battalion Oil Corporation $19.6 M United States US Energy US Oil & Gas E&P
83 Blue Water Petroleum Corp $20,821 United States US Energy US Oil & Gas E&P
84 Whiting Petroleum Corporation United States US Energy US Oil & Gas E&P
85 Centennial Resource Development, Inc. United States US Energy US Oil & Gas E&P
86 Cimarex Energy Co. United States US Energy US Oil & Gas E&P
87 Sundance Energy Inc. United States US Energy US Oil & Gas E&P
88 Laredo Petroleum, Inc. United States US Energy US Oil & Gas E&P
89 HighPoint Resources Corporation United States US Energy US Oil & Gas E&P
90 OMDA Oil and Gas, Inc. United States US Energy US Oil & Gas E&P

Top Oil & Gas E&P Companies from the United States as of Jan. 01, 2026

61. Empire Petroleum Corp

Company Profile: Empire Petroleum Corp
Market Cap (USD): $252.7 M (March 1, 2022)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

62. W&T Offshore, Inc.

Company Profile: W&T Offshore, Inc.
Market Cap (USD): $239.5 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

63. Ring Energy, Inc.

Company Profile: Ring Energy, Inc.
Market Cap (USD): $187.7 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

64. Amplify Energy Corp.

Company Profile: Amplify Energy Corp.
Market Cap (USD): $187.4 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

65. Sintana Energy, Inc.

Company Profile: Sintana Energy, Inc.
Market Cap (USD): $173.2 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

66. PHX Minerals Inc.

Company Profile: PHX Minerals Inc.
Market Cap (USD): $165.0 M (June 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

67. Kolibri Global Energy Inc.

Company Profile: Kolibri Global Energy Inc.
Market Cap (USD): $139.1 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

68. Lonestar Resources US, Inc.

Company Profile: Lonestar Resources US, Inc.
Market Cap (USD): $136.5 M (Sept. 1, 2021)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

69. Epsilon Energy Ltd.

Company Profile: Epsilon Energy Ltd.
Market Cap (USD): $127.6 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

70. Evolution Petroleum Corporation

Company Profile: Evolution Petroleum Corporation
Market Cap (USD): $126.3 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

71. Viking Energy Group, Inc.

Company Profile: Viking Energy Group, Inc.
Market Cap (USD): $100.5 M (Oct. 1, 2023)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

72. Abraxas Petroleum Corporation

Company Profile: Abraxas Petroleum Corporation
Market Cap (USD): $92.6 M (Jan. 1, 2023)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

73. Falcon Minerals Corporation

Company Profile: Falcon Minerals Corporation
Market Cap (USD): $91.5 M (Jan. 1, 2023)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

74. Cabot Oil & Gas Corporation

Company Profile: Cabot Oil & Gas Corporation
Market Cap (USD): $80.6 M (Jan. 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

75. Alpha Energy, Inc.

Company Profile: Alpha Energy, Inc.
Market Cap (USD): $72.8 M (Sept. 1, 2023)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

76. MV Oil Trust

Company Profile: MV Oil Trust
Market Cap (USD): $65.8 M (July 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

77. Permianville Royalty Trust

Company Profile: Permianville Royalty Trust
Market Cap (USD): $60.4 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

78. PEDEVCO Corp.

Company Profile: PEDEVCO Corp.
Market Cap (USD): $58.5 M (July 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

79. Cross Timbers Royalty Trust

Company Profile: Cross Timbers Royalty Trust
Market Cap (USD): $58.2 M (July 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

80. VOC Energy Trust

Company Profile: VOC Energy Trust
Market Cap (USD): $49.0 M (July 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

81. PermRock Royalty Trust

Company Profile: PermRock Royalty Trust
Market Cap (USD): $34.3 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

82. Battalion Oil Corporation

Company Profile: Battalion Oil Corporation
Market Cap (USD): $19.6 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

83. Blue Water Petroleum Corp

Company Profile: Blue Water Petroleum Corp
Market Cap (USD): $20,821
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

84. Whiting Petroleum Corporation

Company Profile: Whiting Petroleum Corporation
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

85. Centennial Resource Development, Inc.

Company Profile: Centennial Resource Development, Inc.
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

86. Cimarex Energy Co.

Company Profile: Cimarex Energy Co.
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

87. Sundance Energy Inc.

Company Profile: Sundance Energy Inc.
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

88. Laredo Petroleum, Inc.

Company Profile: Laredo Petroleum, Inc.
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

89. HighPoint Resources Corporation

Company Profile: HighPoint Resources Corporation
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

90. OMDA Oil and Gas, Inc.

Company Profile: OMDA Oil and Gas, Inc.
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

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