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 Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
181 i3 Energy plc $149.3 M

(July 1, 2024)

 United Kingdom UK Energy UK Oil & Gas E&P
182 Rex International Holding Ltd $148.0 M Singapore Singaporean Energy Singaporean Oil & Gas E&P
183 Comet Ridge Limited $147.7 M

(July 1, 2024)

 Australia Australian Energy Australian Oil & Gas E&P
184 Maha Energy AB $142.6 M

(July 1, 2024)

 Sweden Swedish Energy Swedish Oil & Gas E&P
185 PetroNor E&P Ltd $139.4 M

(July 1, 2024)

 United Kingdom UK Energy UK Oil & Gas E&P
186 Kolibri Global Energy Inc. $139.1 M United States US Energy US Oil & Gas E&P
187 Eco (Atlantic) Oil & Gas Ltd. $137.9 M Canada Canadian Energy Canadian Oil & Gas E&P
188 Hemisphere Energy Corp $136.8 M Canada Canadian Energy Canadian Oil & Gas E&P
189 Lonestar Resources US, Inc. $136.5 M

(Sept. 1, 2021)

 United States US Energy US Oil & Gas E&P
190 Alon Natural Gas Exploration Ltd $130.1 M

(Jan. 1, 2023)

 Israel Israeli Energy Israeli Oil & Gas E&P
191 Tullow Oil plc $129.4 M United Kingdom UK Energy UK Oil & Gas E&P
192 Epsilon Energy Ltd. $127.6 M United States US Energy US Oil & Gas E&P
193 Afentra PLC $126.7 M United Kingdom UK Energy UK Oil & Gas E&P
194 Evolution Petroleum Corporation $126.3 M United States US Energy US Oil & Gas E&P
195 Bonterra Energy Corp. $122.3 M Canada Canadian Energy Canadian Oil & Gas E&P
196 Pharos Energy plc $114.9 M United Kingdom UK Energy UK Oil & Gas E&P
197 Pancontinental Oil & Gas NL $113.7 M

(July 1, 2024)

 Australia Australian Energy Australian Oil & Gas E&P
198 Borders & Southern Petroleum plc $113.1 M United Kingdom UK Energy UK Oil & Gas E&P
199 Tethys Petroleum Ltd $105.6 M Cayman Islands Cayman Islands Energy Cayman Islands Oil & Gas E&P
200 RH PetroGas Ltd $104.1 M Singapore Singaporean Energy Singaporean Oil & Gas E&P
201 Questerre Energy Corporation $103.2 M Canada Canadian Energy Canadian Oil & Gas E&P
202 Viking Energy Group, Inc. $100.5 M

(Oct. 1, 2023)

 United States US Energy US Oil & Gas E&P
203 San Leon Energy plc $93.9 M

(July 1, 2024)

 Ireland Irish Energy Irish Oil & Gas E&P
204 Abraxas Petroleum Corporation $92.6 M

(Jan. 1, 2023)

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

(Jan. 1, 2023)

 United States US Energy US Oil & Gas E&P
206 Gear Energy Ltd. $90.7 M

(Jan. 1, 2025)

 Canada Canadian Energy Canadian Oil & Gas E&P
207 Kinetiko Energy Limited $81.2 M

(July 1, 2024)

 Australia Australian Energy Australian Oil & Gas E&P
208 Cabot Oil & Gas Corporation $80.6 M

(Jan. 1, 2025)

 United States US Energy US Oil & Gas E&P
209 Yangarra Resources Ltd. $78.3 M Canada Canadian Energy Canadian Oil & Gas E&P
210 Polyard Petroleum International Group Ltd $78.1 M

(Jan. 1, 2024)

 Hong Kong HK Energy HK Oil & Gas E&P

Top Oil & Gas E&P Companies in the World as of Jan. 01, 2026

181. i3 Energy plc

Company Profile: i3 Energy plc
Market Cap (USD): $149.3 M (July 1, 2024)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

182. Rex International Holding Ltd

Company Profile: Rex International Holding Ltd
Market Cap (USD): $148.0 M
Country: Singapore
Sector: Singaporean Energy
Industry: Singaporean Oil & Gas E&P

183. Comet Ridge Limited

Company Profile: Comet Ridge Limited
Market Cap (USD): $147.7 M (July 1, 2024)
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

184. Maha Energy AB

Company Profile: Maha Energy AB
Market Cap (USD): $142.6 M (July 1, 2024)
Country: Sweden
Sector: Swedish Energy
Industry: Swedish Oil & Gas E&P

185. PetroNor E&P Ltd

Company Profile: PetroNor E&P Ltd
Market Cap (USD): $139.4 M (July 1, 2024)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

186. 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

187. Eco (Atlantic) Oil & Gas Ltd.

Company Profile: Eco (Atlantic) Oil & Gas Ltd.
Market Cap (USD): $137.9 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

188. Hemisphere Energy Corp

Company Profile: Hemisphere Energy Corp
Market Cap (USD): $136.8 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

189. 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

190. Alon Natural Gas Exploration Ltd

Company Profile: Alon Natural Gas Exploration Ltd
Market Cap (USD): $130.1 M (Jan. 1, 2023)
Country: Israel
Sector: Israeli Energy
Industry: Israeli Oil & Gas E&P

191. Tullow Oil plc

Company Profile: Tullow Oil plc
Market Cap (USD): $129.4 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

192. 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

193. Afentra PLC

Company Profile: Afentra PLC
Market Cap (USD): $126.7 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

194. 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

195. Bonterra Energy Corp.

Company Profile: Bonterra Energy Corp.
Market Cap (USD): $122.3 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

196. Pharos Energy plc

Company Profile: Pharos Energy plc
Market Cap (USD): $114.9 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

197. Pancontinental Oil & Gas NL

Company Profile: Pancontinental Oil & Gas NL
Market Cap (USD): $113.7 M (July 1, 2024)
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

198. Borders & Southern Petroleum plc

Company Profile: Borders & Southern Petroleum plc
Market Cap (USD): $113.1 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

199. Tethys Petroleum Ltd

Company Profile: Tethys Petroleum Ltd
Market Cap (USD): $105.6 M
Country: Cayman Islands
Sector: Cayman Islands Energy
Industry: Cayman Islands Oil & Gas E&P

200. RH PetroGas Ltd

Company Profile: RH PetroGas Ltd
Market Cap (USD): $104.1 M
Country: Singapore
Sector: Singaporean Energy
Industry: Singaporean Oil & Gas E&P

201. Questerre Energy Corporation

Company Profile: Questerre Energy Corporation
Market Cap (USD): $103.2 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

202. 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

203. San Leon Energy plc

Company Profile: San Leon Energy plc
Market Cap (USD): $93.9 M (July 1, 2024)
Country: Ireland
Sector: Irish Energy
Industry: Irish Oil & Gas E&P

204. 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

205. 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

206. Gear Energy Ltd.

Company Profile: Gear Energy Ltd.
Market Cap (USD): $90.7 M (Jan. 1, 2025)
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

207. Kinetiko Energy Limited

Company Profile: Kinetiko Energy Limited
Market Cap (USD): $81.2 M (July 1, 2024)
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

208. 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

209. Yangarra Resources Ltd.

Company Profile: Yangarra Resources Ltd.
Market Cap (USD): $78.3 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

210. Polyard Petroleum International Group Ltd

Company Profile: Polyard Petroleum International Group Ltd
Market Cap (USD): $78.1 M (Jan. 1, 2024)
Country: Hong Kong
Sector: HK Energy
Industry: HK Oil & Gas E&P

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