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
World Top Companies World Companies Analysis

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

Rank Company Market Cap (USD) Country Sector Industry
241 Prospex Energy plc $27.2 M United Kingdom UK Energy UK Oil & Gas E&P
242 Petro Matad Limited $27.0 M United Kingdom UK Energy UK Oil & Gas E&P
243 Predator Oil & Gas Holdings plc $27.0 M United Kingdom UK Energy UK Oil & Gas E&P
244 Upland Resources Limited $24.4 M United Kingdom UK Energy UK Oil & Gas E&P
245 Trinity Exploration & Production plc $24.1 M

(July 1, 2024)

 United Kingdom UK Energy UK Oil & Gas E&P
246 CGX Energy, Inc. $23.7 M Canada Canadian Energy Canadian Oil & Gas E&P
247 Battalion Oil Corporation $23.2 M United States US Energy US Oil & Gas E&P
248 The Parkmead Group plc $22.5 M United Kingdom UK Energy UK Oil & Gas E&P
249 Indus Gas Limited $19.3 M United Kingdom UK Energy UK Oil & Gas E&P
250 Sound Energy plc $19.3 M United Kingdom UK Energy UK Oil & Gas E&P
251 Crown Energy AB $15.7 M Sweden Swedish Energy Swedish Oil & Gas E&P
252 Southern Energy Corp $14.8 M Canada Canadian Energy Canadian Oil & Gas E&P
253 Longboat Energy plc $14.1 M United Kingdom UK Energy UK Oil & Gas E&P
254 Union Jack Oil plc $13.9 M United Kingdom UK Energy UK Oil & Gas E&P
255 Tower Resources plc $12.9 M United Kingdom UK Energy UK Oil & Gas E&P
256 Block Energy plc $10.1 M United Kingdom UK Energy UK Oil & Gas E&P
257 Global Petroleum Limited $9.8 M

(Jan. 1, 2025)

 Australia Australian Energy Australian Oil & Gas E&P
258 Blue Water Petroleum Corp $8.8 M United States US Energy US Oil & Gas E&P
259 Deltic Energy plc $8.7 M United Kingdom UK Energy UK Oil & Gas E&P
260 Mosman Oil and Gas Limited $8.4 M Australia Australian Energy Australian Oil & Gas E&P
261 Reabold Resources plc $8.2 M United Kingdom UK Energy UK Oil & Gas E&P
262 Europa Oil & Gas (Holdings) plc $6.9 M United Kingdom UK Energy UK Oil & Gas E&P
263 United Oil & Gas plc $5.9 M United Kingdom UK Energy UK Oil & Gas E&P
264 Serinus Energy plc $4.8 M

(Jan. 1, 2025)

 United Kingdom UK Energy UK Oil & Gas E&P
265 Scirocco Energy plc $3.7 M

(Jan. 1, 2024)

 United Kingdom UK Energy UK Oil & Gas E&P
266 Ascent Resources plc $3.7 M United Kingdom UK Energy UK Oil & Gas E&P
267 Clontarf Energy plc $3.7 M Ireland Irish Energy Irish Oil & Gas E&P
268 Petrel Resources plc $2.8 M Ireland Irish Energy Irish Oil & Gas E&P
269 Gunsynd plc $1.9 M United Kingdom UK Energy UK Oil & Gas E&P
270 Nostra Terra Oil and Gas Company plc $1.8 M United Kingdom UK Energy UK Oil & Gas E&P

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

241. Prospex Energy plc

Company Profile: Prospex Energy plc
Market Cap (USD): $27.2 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

242. Petro Matad Limited

Company Profile: Petro Matad Limited
Market Cap (USD): $27.0 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

243. Predator Oil & Gas Holdings plc

Company Profile: Predator Oil & Gas Holdings plc
Market Cap (USD): $27.0 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

244. Upland Resources Limited

Company Profile: Upland Resources Limited
Market Cap (USD): $24.4 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

245. Trinity Exploration & Production plc

Company Profile: Trinity Exploration & Production plc
Market Cap (USD): $24.1 M (July 1, 2024)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

246. CGX Energy, Inc.

Company Profile: CGX Energy, Inc.
Market Cap (USD): $23.7 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

247. 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

248. The Parkmead Group plc

Company Profile: The Parkmead Group plc
Market Cap (USD): $22.5 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

249. Indus Gas Limited

Company Profile: Indus Gas Limited
Market Cap (USD): $19.3 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

250. Sound Energy plc

Company Profile: Sound Energy plc
Market Cap (USD): $19.3 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

251. Crown Energy AB

Company Profile: Crown Energy AB
Market Cap (USD): $15.7 M
Country: Sweden
Sector: Swedish Energy
Industry: Swedish Oil & Gas E&P

252. Southern Energy Corp

Company Profile: Southern Energy Corp
Market Cap (USD): $14.8 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

253. Longboat Energy plc

Company Profile: Longboat Energy plc
Market Cap (USD): $14.1 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

254. Union Jack Oil plc

Company Profile: Union Jack Oil plc
Market Cap (USD): $13.9 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

255. Tower Resources plc

Company Profile: Tower Resources plc
Market Cap (USD): $12.9 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

256. Block Energy plc

Company Profile: Block Energy plc
Market Cap (USD): $10.1 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

257. Global Petroleum Limited

Company Profile: Global Petroleum Limited
Market Cap (USD): $9.8 M (Jan. 1, 2025)
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

258. 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

259. Deltic Energy plc

Company Profile: Deltic Energy plc
Market Cap (USD): $8.7 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

260. Mosman Oil and Gas Limited

Company Profile: Mosman Oil and Gas Limited
Market Cap (USD): $8.4 M
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

261. Reabold Resources plc

Company Profile: Reabold Resources plc
Market Cap (USD): $8.2 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

262. Europa Oil & Gas (Holdings) plc

Company Profile: Europa Oil & Gas (Holdings) plc
Market Cap (USD): $6.9 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

263. United Oil & Gas plc

Company Profile: United Oil & Gas plc
Market Cap (USD): $5.9 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

264. Serinus Energy plc

Company Profile: Serinus Energy plc
Market Cap (USD): $4.8 M (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

265. Scirocco Energy plc

Company Profile: Scirocco Energy plc
Market Cap (USD): $3.7 M (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

266. Ascent Resources plc

Company Profile: Ascent Resources plc
Market Cap (USD): $3.7 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

267. Clontarf Energy plc

Company Profile: Clontarf Energy plc
Market Cap (USD): $3.7 M
Country: Ireland
Sector: Irish Energy
Industry: Irish Oil & Gas E&P

268. Petrel Resources plc

Company Profile: Petrel Resources plc
Market Cap (USD): $2.8 M
Country: Ireland
Sector: Irish Energy
Industry: Irish Oil & Gas E&P

269. Gunsynd plc

Company Profile: Gunsynd plc
Market Cap (USD): $1.9 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

270. Nostra Terra Oil and Gas Company plc

Company Profile: Nostra Terra Oil and Gas Company plc
Market Cap (USD): $1.8 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

Stay in touch