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
91 Dunes Exploration Ltd United States US Energy US Oil & Gas E&P
92 Tradestar Resources Corp United States US Energy US Oil & Gas E&P
93 Devin Energy Corp United States US Energy US Oil & Gas E&P
94 Imperial Resources, Inc. United States US Energy US Oil & Gas E&P
95 Norstra Energy, Inc. United States US Energy US Oil & Gas E&P
96 Wentworth Energy, Inc. United States US Energy US Oil & Gas E&P
97 SC Holdings Corp United States US Energy US Oil & Gas E&P
98 Mondial Ventures, Inc. United States US Energy US Oil & Gas E&P
99 ParaFin Corp United States US Energy US Oil & Gas E&P
100 Nikron Technologies, Inc. United States US Energy US Oil & Gas E&P
101 Trophy Resources, Inc. United States US Energy US Oil & Gas E&P
102 Cygnus Oil & Gas Corp United States US Energy US Oil & Gas E&P
103 Arkanova Energy Corp United States US Energy US Oil & Gas E&P
104 ZaZa Energy Corp United States US Energy US Oil & Gas E&P
105 XCana Petroleum Corp United States US Energy US Oil & Gas E&P
106 Southern Realty Co. United States US Energy US Oil & Gas E&P
107 Axis Petroleum Co. United States US Energy US Oil & Gas E&P
108 AXP Energy Ltd United States US Energy US Oil & Gas E&P
109 Starlight Energy Corp United States US Energy US Oil & Gas E&P
110 New Source Energy Partners LP United States US Energy US Oil & Gas E&P
111 Chord Energy Corp United States US Energy US Oil & Gas E&P
112 Osage Exploration and Development, Inc. United States US Energy US Oil & Gas E&P
113 AER Energy Resources, Inc. United States US Energy US Oil & Gas E&P
114 American Energy Development Corp United States US Energy US Oil & Gas E&P
115 Baron Energy, Inc. United States US Energy US Oil & Gas E&P
116 Fremont Petroleum Corporation Ltd United States US Energy US Oil & Gas E&P
117 Arete Industries, Inc. United States US Energy US Oil & Gas E&P
118 Freedom Oil and Gas Ltd United States US Energy US Oil & Gas E&P
119 Alamo Energy Corp United States US Energy US Oil & Gas E&P
120 QEP Resources, 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

91. Dunes Exploration Ltd

Company Profile: Dunes Exploration Ltd
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

92. Tradestar Resources Corp

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

93. Devin Energy Corp

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

94. Imperial Resources, Inc.

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

95. Norstra Energy, Inc.

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

96. Wentworth Energy, Inc.

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

97. SC Holdings Corp

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

98. Mondial Ventures, Inc.

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

99. ParaFin Corp

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

100. Nikron Technologies, Inc.

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

101. Trophy Resources, Inc.

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

102. Cygnus Oil & Gas Corp

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

103. Arkanova Energy Corp

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

104. ZaZa Energy Corp

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

105. XCana Petroleum Corp

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

106. Southern Realty Co.

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

107. Axis Petroleum Co.

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

108. AXP Energy Ltd

Company Profile: AXP Energy Ltd
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

109. Starlight Energy Corp

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

110. New Source Energy Partners LP

Company Profile: New Source Energy Partners LP
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

111. Chord Energy Corp

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

112. Osage Exploration and Development, Inc.

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

113. AER Energy Resources, Inc.

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

114. American Energy Development Corp

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

115. Baron Energy, Inc.

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

116. Fremont Petroleum Corporation Ltd

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

117. Arete Industries, Inc.

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

118. Freedom Oil and Gas Ltd

Company Profile: Freedom Oil and Gas Ltd
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

119. Alamo Energy Corp

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

120. QEP Resources, Inc.

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

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