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
61 Empire Petroleum Corp $252.7 M

(March 1, 2022)

 United States US Energy US Oil & Gas E&P
62 Berry Corporation $240.5 M United States US Energy US Oil & Gas E&P
63 EXCO Resources, Inc. $237.6 M United States US Energy US Oil & Gas E&P
64 Kolibri Global Energy Inc. $234.2 M United States US Energy US Oil & Gas E&P
65 Sintana Energy, Inc. $195.2 M United States US Energy US Oil & Gas E&P
66 Evolution Petroleum Corporation $171.5 M United States US Energy US Oil & Gas E&P
67 Epsilon Energy Ltd. $165.1 M United States US Energy US Oil & Gas E&P
68 PHX Minerals Inc. $165.0 M

(June 1, 2025)

 United States US Energy US Oil & Gas E&P
69 Ring Energy, Inc. $163.4 M United States US Energy US Oil & Gas E&P
70 Lonestar Resources US, Inc. $136.5 M

(Sept. 1, 2021)

 United States US Energy US Oil & Gas E&P
71 Amplify Energy Corp. $131.1 M United States US Energy US Oil & Gas E&P
72 Viking Energy Group, Inc. $100.5 M

(Oct. 1, 2023)

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

(Jan. 1, 2023)

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

(Jan. 1, 2023)

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

(Jan. 1, 2025)

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

(Sept. 1, 2023)

 United States US Energy US Oil & Gas E&P
77 MV Oil Trust $65.8 M United States US Energy US Oil & Gas E&P
78 Permianville Royalty Trust $60.1 M United States US Energy US Oil & Gas E&P
79 PEDEVCO Corp. $58.5 M United States US Energy US Oil & Gas E&P
80 Cross Timbers Royalty Trust $58.2 M United States US Energy US Oil & Gas E&P
81 VOC Energy Trust $49.0 M United States US Energy US Oil & Gas E&P
82 PermRock Royalty Trust $48.9 M United States US Energy US Oil & Gas E&P
83 Battalion Oil Corporation $23.2 M United States US Energy US Oil & Gas E&P
84 Blue Water Petroleum Corp $8.8 M United States US Energy US Oil & Gas E&P
85 Sundance Energy Inc. United States US Energy US Oil & Gas E&P
86 HighPoint Resources Corporation United States US Energy US Oil & Gas E&P
87 Laredo Petroleum, Inc. United States US Energy US Oil & Gas E&P
88 Whiting Petroleum Corporation United States US Energy US Oil & Gas E&P
89 Cimarex Energy Co. United States US Energy US Oil & Gas E&P
90 Arkanova Energy Corp United States US Energy US Oil & Gas E&P

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

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. Berry Corporation

Company Profile: Berry Corporation
Market Cap (USD): $240.5 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

63. EXCO Resources, Inc.

Company Profile: EXCO Resources, Inc.
Market Cap (USD): $237.6 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

64. Kolibri Global Energy Inc.

Company Profile: Kolibri Global Energy Inc.
Market Cap (USD): $234.2 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): $195.2 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

66. Evolution Petroleum Corporation

Company Profile: Evolution Petroleum Corporation
Market Cap (USD): $171.5 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

67. Epsilon Energy Ltd.

Company Profile: Epsilon Energy Ltd.
Market Cap (USD): $165.1 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

68. 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

69. Ring Energy, Inc.

Company Profile: Ring Energy, Inc.
Market Cap (USD): $163.4 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

70. 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

71. Amplify Energy Corp.

Company Profile: Amplify Energy Corp.
Market Cap (USD): $131.1 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

72. 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

73. 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

74. 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

75. 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

76. 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

77. MV Oil Trust

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

78. Permianville Royalty Trust

Company Profile: Permianville Royalty Trust
Market Cap (USD): $60.1 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

79. PEDEVCO Corp.

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

80. Cross Timbers Royalty Trust

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

81. VOC Energy Trust

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

82. PermRock Royalty Trust

Company Profile: PermRock Royalty Trust
Market Cap (USD): $48.9 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

83. Battalion Oil Corporation

Company Profile: Battalion Oil Corporation
Market Cap (USD): $23.2 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

84. Blue Water Petroleum Corp

Company Profile: Blue Water Petroleum Corp
Market Cap (USD): $8.8 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

85. Sundance Energy Inc.

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

86. HighPoint Resources Corporation

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

87. Laredo Petroleum, Inc.

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

88. Whiting Petroleum Corporation

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

89. Cimarex Energy Co.

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

90. Arkanova Energy Corp

Company Profile: Arkanova Energy Corp
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

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