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
121 Universal Energy Corp United States US Energy US Oil & Gas E&P
122 Civitas Resources, Inc. United States US Energy US Oil & Gas E&P
123 Mountainview Energy Ltd United States US Energy US Oil & Gas E&P
124 Chord Energy Corp United States US Energy US Oil & Gas E&P
125 Quest Oil Corp United States US Energy US Oil & Gas E&P
126 Santa Fe Petroleum, Inc. United States US Energy US Oil & Gas E&P
127 Glen Rose Petroleum Corp United States US Energy US Oil & Gas E&P
128 Index Oil & Gas, Inc. United States US Energy US Oil & Gas E&P
129 Silver Star Energy, Inc. United States US Energy US Oil & Gas E&P
130 Soligen Technologies, Inc. United States US Energy US Oil & Gas E&P
131 Hybrid Energy Holdings, Inc. United States US Energy US Oil & Gas E&P
132 Standard Energy Corp United States US Energy US Oil & Gas E&P
133 OMDA Oil and Gas, Inc. United States US Energy US Oil & Gas E&P
134 Dunes Exploration Ltd United States US Energy US Oil & Gas E&P
135 Tradestar Resources Corp United States US Energy US Oil & Gas E&P
136 Devin Energy Corp United States US Energy US Oil & Gas E&P
137 Imperial Resources, Inc. United States US Energy US Oil & Gas E&P
138 Norstra Energy, Inc. United States US Energy US Oil & Gas E&P
139 Wentworth Energy, Inc. United States US Energy US Oil & Gas E&P
140 SC Holdings Corp United States US Energy US Oil & Gas E&P
141 Mondial Ventures, Inc. United States US Energy US Oil & Gas E&P
142 ParaFin Corp United States US Energy US Oil & Gas E&P
143 Nikron Technologies, Inc. United States US Energy US Oil & Gas E&P
144 Trophy Resources, Inc. United States US Energy US Oil & Gas E&P
145 Cygnus Oil & Gas 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

121. Universal Energy Corp

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

122. Civitas Resources, Inc.

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

123. Mountainview Energy Ltd

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

124. Chord Energy Corp

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

125. Quest Oil Corp

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

126. Santa Fe Petroleum, Inc.

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

127. Glen Rose Petroleum Corp

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

128. Index Oil & Gas, Inc.

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

129. Silver Star Energy, Inc.

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

130. Soligen Technologies, Inc.

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

131. Hybrid Energy Holdings, Inc.

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

132. Standard Energy Corp

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

133. OMDA Oil and Gas, Inc.

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

134. Dunes Exploration Ltd

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

135. Tradestar Resources Corp

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

136. Devin Energy Corp

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

137. Imperial Resources, Inc.

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

138. Norstra Energy, Inc.

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

139. Wentworth Energy, Inc.

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

140. SC Holdings Corp

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

141. Mondial Ventures, Inc.

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

142. ParaFin Corp

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

143. Nikron Technologies, Inc.

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

144. Trophy Resources, Inc.

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

145. Cygnus Oil & Gas Corp

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

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