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.

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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
241 Predator Oil & Gas Holdings plc $34.2 M United Kingdom UK Energy UK Oil & Gas E&P
242 Chariot Ltd. $32.4 M United Kingdom UK Energy UK Oil & Gas E&P
243 Tlou Energy Limited $30.5 M

(July 1, 2024)

 Australia Australian Energy Australian Oil & Gas E&P
244 Sound Energy plc $28.7 M United Kingdom UK Energy UK Oil & Gas E&P
245 Europa Oil & Gas (Holdings) plc $28.4 M United Kingdom UK Energy UK Oil & Gas E&P
246 Petro Matad Limited $27.2 M United Kingdom UK Energy UK Oil & Gas E&P
247 Trinity Exploration & Production plc $24.1 M

(July 1, 2024)

 United Kingdom UK Energy UK Oil & Gas E&P
248 Southern Energy Corp $22.5 M Canada Canadian Energy Canadian Oil & Gas E&P
249 The Parkmead Group plc $21.3 M United Kingdom UK Energy UK Oil & Gas E&P
250 Battalion Oil Corporation $19.6 M United States US Energy US Oil & Gas E&P
251 Mosman Oil and Gas Limited $16.0 M Australia Australian Energy Australian Oil & Gas E&P
252 Prospex Energy plc $15.3 M United Kingdom UK Energy UK Oil & Gas E&P
253 Tower Resources plc $12.6 M United Kingdom UK Energy UK Oil & Gas E&P
254 Block Energy plc $10.2 M United Kingdom UK Energy UK Oil & Gas E&P
255 Global Petroleum Limited $9.8 M

(Jan. 1, 2025)

 Australia Australian Energy Australian Oil & Gas E&P
256 Westmount Energy Limited $8.7 M United Kingdom UK Energy UK Oil & Gas E&P
257 Indus Gas Limited $7.2 M United Kingdom UK Energy UK Oil & Gas E&P
258 Reabold Resources plc $7.2 M United Kingdom UK Energy UK Oil & Gas E&P
259 Baron Oil plc $6.8 M United Kingdom UK Energy UK Oil & Gas E&P
260 United Oil & Gas plc $6.6 M United Kingdom UK Energy UK Oil & Gas E&P
261 UK Oil & Gas plc $6.5 M United Kingdom UK Energy UK Oil & Gas E&P
262 Serinus Energy plc $4.8 M

(Jan. 1, 2025)

 United Kingdom UK Energy UK Oil & Gas E&P
263 Union Jack Oil plc $4.4 M United Kingdom UK Energy UK Oil & Gas E&P
264 Coro Energy plc $4.4 M United Kingdom UK Energy UK Oil & Gas E&P
265 Ascent Resources plc $4.4 M United Kingdom UK Energy UK Oil & Gas E&P
266 Deltic Energy plc $3.9 M United Kingdom UK Energy UK Oil & Gas E&P
267 Scirocco Energy plc $3.7 M

(Jan. 1, 2024)

 United Kingdom UK Energy UK Oil & Gas E&P
268 Empyrean Energy plc $3.3 M Australia Australian Energy Australian Oil & Gas E&P
269 Gunsynd plc $3.1 M United Kingdom UK Energy UK Oil & Gas E&P
270 Clontarf Energy plc $2.5 M Ireland Irish Energy Irish Oil & Gas E&P

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

241. Predator Oil & Gas Holdings plc

Company Profile: Predator Oil & Gas Holdings plc
Market Cap (USD): $34.2 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

242. Chariot Ltd.

Company Profile: Chariot Ltd.
Market Cap (USD): $32.4 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

243. Tlou Energy Limited

Company Profile: Tlou Energy Limited
Market Cap (USD): $30.5 M (July 1, 2024)
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

244. Sound Energy plc

Company Profile: Sound Energy plc
Market Cap (USD): $28.7 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

245. Europa Oil & Gas (Holdings) plc

Company Profile: Europa Oil & Gas (Holdings) plc
Market Cap (USD): $28.4 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

246. Petro Matad Limited

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

247. 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

248. Southern Energy Corp

Company Profile: Southern Energy Corp
Market Cap (USD): $22.5 M
Country: Canada
Sector: Canadian Energy
Industry: Canadian Oil & Gas E&P

249. The Parkmead Group plc

Company Profile: The Parkmead Group plc
Market Cap (USD): $21.3 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

250. Battalion Oil Corporation

Company Profile: Battalion Oil Corporation
Market Cap (USD): $19.6 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

251. Mosman Oil and Gas Limited

Company Profile: Mosman Oil and Gas Limited
Market Cap (USD): $16.0 M
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

252. Prospex Energy plc

Company Profile: Prospex Energy plc
Market Cap (USD): $15.3 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

253. Tower Resources plc

Company Profile: Tower Resources plc
Market Cap (USD): $12.6 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

254. Block Energy plc

Company Profile: Block Energy plc
Market Cap (USD): $10.2 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

255. 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

256. Westmount Energy Limited

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

257. Indus Gas Limited

Company Profile: Indus Gas Limited
Market Cap (USD): $7.2 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

258. Reabold Resources plc

Company Profile: Reabold Resources plc
Market Cap (USD): $7.2 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

259. Baron Oil plc

Company Profile: Baron Oil plc
Market Cap (USD): $6.8 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

260. United Oil & Gas plc

Company Profile: United Oil & Gas plc
Market Cap (USD): $6.6 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

261. UK Oil & Gas plc

Company Profile: UK Oil & Gas plc
Market Cap (USD): $6.5 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

262. 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

263. Union Jack Oil plc

Company Profile: Union Jack Oil plc
Market Cap (USD): $4.4 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

264. Coro Energy plc

Company Profile: Coro Energy plc
Market Cap (USD): $4.4 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

265. Ascent Resources plc

Company Profile: Ascent Resources plc
Market Cap (USD): $4.4 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

266. Deltic Energy plc

Company Profile: Deltic Energy plc
Market Cap (USD): $3.9 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

267. 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

268. Empyrean Energy plc

Company Profile: Empyrean Energy plc
Market Cap (USD): $3.3 M
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

269. Gunsynd plc

Company Profile: Gunsynd plc
Market Cap (USD): $3.1 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

270. Clontarf Energy plc

Company Profile: Clontarf Energy plc
Market Cap (USD): $2.5 M
Country: Ireland
Sector: Irish Energy
Industry: Irish Oil & Gas E&P

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