World

Top 370 largest Companies in the Oil & Gas E&P industry in the World by Market Cap

This is the list of the largest public listed companies in the Oil & Gas E&P industry in the world by market capitalization with links to their reference stock.

World Oil & Gas E&P Industry Analysis
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Top Oil & Gas E&P Companies in the World as of Jul. 01, 2025

Rank Company Market Cap (USD) Country Sector Industry
121 PetroTal Corp. $459.1 M United States US Energy US Oil & Gas E&P
122 RussNeft PJSC $457.7 M Russia Russian Energy Russian Oil & Gas E&P
123 Surge Energy Inc. $451.9 M Canada Canadian Energy Canadian Oil & Gas E&P
124 ShaMaran Petroleum Corp $451.3 M Canada Canadian Energy Canadian Oil & Gas E&P
125 Strike Energy Limited $448.2 M

(July 1, 2024)

 Australia Australian Energy Australian Oil & Gas E&P
126 Leucrotta Exploration, Inc. $439.0 M

(June 1, 2022)

 Canada Canadian Energy Canadian Oil & Gas E&P
127 Altura Energy, Inc. $437.9 M Canada Canadian Energy Canadian Oil & Gas E&P
128 Obsidian Energy Ltd. $409.9 M Canada Canadian Energy Canadian Oil & Gas E&P
129 VAALCO Energy, Inc. $407.7 M United States US Energy US Oil & Gas E&P
130 SandRidge Energy, Inc. $403.2 M United States US Energy US Oil & Gas E&P
131 PetroShale, Inc. $397.2 M

(June 1, 2022)

 Canada Canadian Energy Canadian Oil & Gas E&P
132 Slavneft-Megionneftegaz PPO OAO $395.4 M Russia Russian Energy Russian Oil & Gas E&P
133 Pantheon Resources plc $385.3 M United Kingdom UK Energy UK Oil & Gas E&P
134 Frontera Energy Corporation $382.4 M Canada Canadian Energy Canadian Oil & Gas E&P
135 Goodrich Petroleum Corporation $368.9 M

(Dec. 1, 2021)

 United States US Energy US Oil & Gas E&P
136 Panoro Energy ASA $368.7 M

(July 1, 2024)

 Norway Norway Energy Norway Oil & Gas E&P
137 GeoPark Limited $364.9 M Chile Chilean Energy Chilean Oil & Gas E&P
138 Cooper Energy Limited $360.0 M

(July 1, 2024)

 Australia Australian Energy Australian Oil & Gas E&P
139 Deep Industries Ltd $342.3 M India Indian Energy Indian Oil & Gas E&P
140 EnQuest plc $322.0 M United Kingdom UK Energy UK Oil & Gas E&P
141 Tullow Oil plc $311.6 M United Kingdom UK Energy UK Oil & Gas E&P
142 Warrego Energy Limited $293.7 M

(March 1, 2023)

 United Kingdom UK Energy UK Oil & Gas E&P
143 San Juan Basin Royalty Trust $289.9 M United States US Energy US Oil & Gas E&P
144 Tethys Oil AB $272.3 M

(Aug. 1, 2022)

 Sweden Swedish Energy Swedish Oil & Gas E&P
145 TransGlobe Energy Corporation $268.2 M

(Oct. 1, 2022)

 Canada Canadian Energy Canadian Oil & Gas E&P
146 W&T Offshore, Inc. $261.3 M United States US Energy US Oil & Gas E&P
147 PrimeEnergy Resources Corporation $260.5 M United States US Energy US Oil & Gas E&P
148 Norwest Energy NL $259.3 M

(May 1, 2023)

 Australia Australian Energy Australian Oil & Gas E&P
149 Genel Energy plc $254.7 M United Kingdom UK Energy UK Oil & Gas E&P
150 Empire Petroleum Corp $252.7 M

(March 1, 2022)

 United States US Energy US Oil & Gas E&P

Top Oil & Gas E&P Companies in the World as of Jul. 01, 2025

121. PetroTal Corp.

Company Profile: PetroTal Corp.
Market Cap (USD): $459.1 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

122. RussNeft PJSC

Company Profile: RussNeft PJSC
Market Cap (USD): $457.7 M
Country: Russia
Sector: Russian Energy
Industry: Russian Oil & Gas E&P

123. Surge Energy Inc.

Company Profile: Surge Energy Inc.
Market Cap (USD): $451.9 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

124. ShaMaran Petroleum Corp

Company Profile: ShaMaran Petroleum Corp
Market Cap (USD): $451.3 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

125. Strike Energy Limited

Company Profile: Strike Energy Limited
Market Cap (USD): $448.2 M (July 1, 2024)
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

126. Leucrotta Exploration, Inc.

Company Profile: Leucrotta Exploration, Inc.
Market Cap (USD): $439.0 M (June 1, 2022)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

127. Altura Energy, Inc.

Company Profile: Altura Energy, Inc.
Market Cap (USD): $437.9 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

128. Obsidian Energy Ltd.

Company Profile: Obsidian Energy Ltd.
Market Cap (USD): $409.9 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

129. VAALCO Energy, Inc.

Company Profile: VAALCO Energy, Inc.
Market Cap (USD): $407.7 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

130. SandRidge Energy, Inc.

Company Profile: SandRidge Energy, Inc.
Market Cap (USD): $403.2 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

131. PetroShale, Inc.

Company Profile: PetroShale, Inc.
Market Cap (USD): $397.2 M (June 1, 2022)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

132. Slavneft-Megionneftegaz PPO OAO

Company Profile: Slavneft-Megionneftegaz PPO OAO
Market Cap (USD): $395.4 M
Country: Russia
Sector: Russian Energy
Industry: Russian Oil & Gas E&P

133. Pantheon Resources plc

Company Profile: Pantheon Resources plc
Market Cap (USD): $385.3 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

134. Frontera Energy Corporation

Company Profile: Frontera Energy Corporation
Market Cap (USD): $382.4 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

135. Goodrich Petroleum Corporation

Company Profile: Goodrich Petroleum Corporation
Market Cap (USD): $368.9 M (Dec. 1, 2021)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

136. Panoro Energy ASA

Company Profile: Panoro Energy ASA
Market Cap (USD): $368.7 M (July 1, 2024)
Country: Norway
Sector: Norway Energy
Industry: Norway Oil & Gas E&P

137. GeoPark Limited

Company Profile: GeoPark Limited
Market Cap (USD): $364.9 M
Country: Chile
Sector: Chilean Energy
Industry: Chilean Oil & Gas E&P

138. Cooper Energy Limited

Company Profile: Cooper Energy Limited
Market Cap (USD): $360.0 M (July 1, 2024)
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

139. Deep Industries Ltd

Company Profile: Deep Industries Ltd
Market Cap (USD): $342.3 M
Country: India
Sector: Indian Energy
Industry: Indian Oil & Gas E&P

140. EnQuest plc

Company Profile: EnQuest plc
Market Cap (USD): $322.0 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

141. Tullow Oil plc

Company Profile: Tullow Oil plc
Market Cap (USD): $311.6 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

142. Warrego Energy Limited

Company Profile: Warrego Energy Limited
Market Cap (USD): $293.7 M (March 1, 2023)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

143. San Juan Basin Royalty Trust

Company Profile: San Juan Basin Royalty Trust
Market Cap (USD): $289.9 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

144. Tethys Oil AB

Company Profile: Tethys Oil AB
Market Cap (USD): $272.3 M (Aug. 1, 2022)
Country: Sweden
Sector: Swedish Energy
Industry: Swedish Oil & Gas E&P

145. TransGlobe Energy Corporation

Company Profile: TransGlobe Energy Corporation
Market Cap (USD): $268.2 M (Oct. 1, 2022)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

146. W&T Offshore, Inc.

Company Profile: W&T Offshore, Inc.
Market Cap (USD): $261.3 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

147. PrimeEnergy Resources Corporation

Company Profile: PrimeEnergy Resources Corporation
Market Cap (USD): $260.5 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

148. Norwest Energy NL

Company Profile: Norwest Energy NL
Market Cap (USD): $259.3 M (May 1, 2023)
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

149. Genel Energy plc

Company Profile: Genel Energy plc
Market Cap (USD): $254.7 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

150. 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

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