United States

Top 310 largest US Companies in the Energy sector by Market Cap

This is the list of the largest public listed companies in the Energy sector from the United States by market capitalization with links to their reference stock and industry.

United States Energy Sector Analysis
Top US Companies United States Analysis
World Top Companies World Companies Analysis

Top Energy Companies from the United States as of Jul. 01, 2025

Download Excel

Rank Company Market Cap (USD) Country Sector Industry
181 Ring Energy, Inc. $163.4 M United States US Energy US Oil & Gas E&P
182 Vantage Drilling International $160.2 M United States US Energy US Oil & Gas Drilling
183 Exterran Corporation $152.6 M

(Oct. 1, 2022)

 United States US Energy US Oil & Gas Equipment & Services
184 Lonestar Resources US, Inc. $136.5 M

(Sept. 1, 2021)

 United States US Energy US Oil & Gas E&P
185 Mammoth Energy Services, Inc. $134.8 M United States US Energy US Oil & Gas Equipment & Services
186 Amplify Energy Corp. $131.1 M United States US Energy US Oil & Gas E&P
187 Martin Midstream Partners L.P. $119.3 M United States US Energy US Oil & Gas Midstream
188 Profire Energy, Inc. $117.3 M

(Jan. 1, 2025)

 United States US Energy US Oil & Gas Equipment & Services
189 TC PipeLines, LP $111.0 M

(Jan. 1, 2025)

 United States US Energy US Oil & Gas Midstream
190 Gulf Island Fabrication, Inc. $110.3 M United States US Energy US Oil & Gas Equipment & Services
191 Viking Energy Group, Inc. $100.5 M

(Oct. 1, 2023)

 United States US Energy US Oil & Gas E&P
192 Adams Resources & Energy, Inc. $97.6 M

(Jan. 1, 2025)

 United States US Energy US Oil & Gas Integrated
193 U.S. Well Services, Inc. $95.1 M

(Oct. 1, 2022)

 United States US Energy US Oil & Gas Midstream
194 Abraxas Petroleum Corporation $92.6 M

(Jan. 1, 2023)

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

(Jan. 1, 2023)

 United States US Energy US Oil & Gas E&P
196 Smart Sand, Inc. $86.8 M United States US Energy US Oil & Gas Equipment & Services
197 Stabilis Energy, Inc. $82.2 M United States US Energy US Oil & Gas Integrated
198 Cabot Oil & Gas Corporation $80.6 M

(Jan. 1, 2025)

 United States US Energy US Oil & Gas E&P
199 NCS Multistage Holdings, Inc. $76.3 M United States US Energy US Oil & Gas Equipment & Services
200 Alpha Energy, Inc. $72.8 M

(Sept. 1, 2023)

 United States US Energy US Oil & Gas E&P
201 MV Oil Trust $65.8 M United States US Energy US Oil & Gas E&P
202 Vertex Energy, Inc. $64.0 M

(July 1, 2024)

 United States US Energy US Oil & Gas Refining & Marketing
203 Permianville Royalty Trust $60.1 M United States US Energy US Oil & Gas E&P
204 PEDEVCO Corp. $58.5 M United States US Energy US Oil & Gas E&P
205 Cross Timbers Royalty Trust $58.2 M United States US Energy US Oil & Gas E&P
206 VOC Energy Trust $49.0 M United States US Energy US Oil & Gas E&P
207 PermRock Royalty Trust $48.9 M United States US Energy US Oil & Gas E&P
208 North European Oil Royalty Trust $46.9 M United States US Energy US Oil & Gas Equipment & Services
209 Nine Energy Service, Inc. $35.7 M United States US Energy US Oil & Gas Equipment & Services
210 KLX Energy Services Holdings, Inc. $34.2 M United States US Energy US Oil & Gas Equipment & Services

Top Energy Companies from the United States as of Jul. 01, 2025

181. Ring Energy, Inc.

Company Profile: Ring Energy, Inc.
Market Cap (USD): $163.4 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

182. Vantage Drilling International

Company Profile: Vantage Drilling International
Market Cap (USD): $160.2 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Drilling

183. Exterran Corporation

Company Profile: Exterran Corporation
Market Cap (USD): $152.6 M (Oct. 1, 2022)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

184. 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

185. Mammoth Energy Services, Inc.

Company Profile: Mammoth Energy Services, Inc.
Market Cap (USD): $134.8 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

186. Amplify Energy Corp.

Company Profile: Amplify Energy Corp.
Market Cap (USD): $131.1 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

187. Martin Midstream Partners L.P.

Company Profile: Martin Midstream Partners L.P.
Market Cap (USD): $119.3 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

188. Profire Energy, Inc.

Company Profile: Profire Energy, Inc.
Market Cap (USD): $117.3 M (Jan. 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

189. TC PipeLines, LP

Company Profile: TC PipeLines, LP
Market Cap (USD): $111.0 M (Jan. 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

190. Gulf Island Fabrication, Inc.

Company Profile: Gulf Island Fabrication, Inc.
Market Cap (USD): $110.3 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

191. 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

192. Adams Resources & Energy, Inc.

Company Profile: Adams Resources & Energy, Inc.
Market Cap (USD): $97.6 M (Jan. 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Integrated

193. U.S. Well Services, Inc.

Company Profile: U.S. Well Services, Inc.
Market Cap (USD): $95.1 M (Oct. 1, 2022)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

194. 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

195. 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

196. Smart Sand, Inc.

Company Profile: Smart Sand, Inc.
Market Cap (USD): $86.8 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

197. Stabilis Energy, Inc.

Company Profile: Stabilis Energy, Inc.
Market Cap (USD): $82.2 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Integrated

198. 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

199. NCS Multistage Holdings, Inc.

Company Profile: NCS Multistage Holdings, Inc.
Market Cap (USD): $76.3 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

200. Alpha Energy, Inc.

Company Profile: Alpha Energy, Inc.
Market Cap (USD): $72.8 M (Sept. 1, 2023)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

201. MV Oil Trust

Company Profile: MV Oil Trust
Market Cap (USD): $65.8 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

202. Vertex Energy, Inc.

Company Profile: Vertex Energy, Inc.
Market Cap (USD): $64.0 M (July 1, 2024)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Refining & Marketing

203. Permianville Royalty Trust

Company Profile: Permianville Royalty Trust
Market Cap (USD): $60.1 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

204. PEDEVCO Corp.

Company Profile: PEDEVCO Corp.
Market Cap (USD): $58.5 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

205. Cross Timbers Royalty Trust

Company Profile: Cross Timbers Royalty Trust
Market Cap (USD): $58.2 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

206. VOC Energy Trust

Company Profile: VOC Energy Trust
Market Cap (USD): $49.0 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

207. PermRock Royalty Trust

Company Profile: PermRock Royalty Trust
Market Cap (USD): $48.9 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

208. North European Oil Royalty Trust

Company Profile: North European Oil Royalty Trust
Market Cap (USD): $46.9 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

209. Nine Energy Service, Inc.

Company Profile: Nine Energy Service, Inc.
Market Cap (USD): $35.7 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

210. KLX Energy Services Holdings, Inc.

Company Profile: KLX Energy Services Holdings, Inc.
Market Cap (USD): $34.2 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

Stay in touch