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.

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

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Rank Company Market Cap (USD) Country Sector Industry
151 Summit Midstream Partners, LP $405.2 M United States US Energy US Oil & Gas Midstream
152 Star Group, L.P. $404.8 M United States US Energy US Oil & Gas Midstream
153 SandRidge Energy, Inc. $403.2 M United States US Energy US Oil & Gas E&P
154 Ur-Energy Inc. $397.7 M United States US Energy US Uranium
155 FTS International, Inc. $372.5 M

(March 1, 2022)

 United States US Energy US Oil & Gas Equipment & Services
156 Goodrich Petroleum Corporation $368.9 M

(Dec. 1, 2021)

 United States US Energy US Oil & Gas E&P
157 Oil States International, Inc. $348.3 M United States US Energy US Oil & Gas Equipment & Services
158 Natural Gas Services Group, Inc. $319.6 M United States US Energy US Oil & Gas Equipment & Services
159 NACCO Industries, Inc. $315.7 M United States US Energy US Thermal Coal
160 San Juan Basin Royalty Trust $289.9 M United States US Energy US Oil & Gas E&P
161 Green Plains Partners LP $287.9 M

(Jan. 1, 2024)

 United States US Energy US Oil & Gas Midstream
162 Ranger Energy Services, Inc. $277.6 M United States US Energy US Oil & Gas Equipment & Services
163 Unit Corp $265.1 M United States US Energy US Oil & Gas Integrated
164 W&T Offshore, Inc. $261.3 M United States US Energy US Oil & Gas E&P
165 PrimeEnergy Resources Corporation $260.5 M United States US Energy US Oil & Gas E&P
166 Empire Petroleum Corp $252.7 M

(March 1, 2022)

 United States US Energy US Oil & Gas E&P
167 CSI Compressco LP $251.3 M

(Jan. 1, 2024)

 United States US Energy US Oil & Gas Equipment & Services
168 Forum Energy Technologies, Inc. $241.2 M United States US Energy US Oil & Gas Equipment & Services
169 Berry Corporation $240.5 M United States US Energy US Oil & Gas E&P
170 EXCO Resources, Inc. $237.6 M United States US Energy US Oil & Gas E&P
171 Kolibri Global Energy Inc. $234.2 M United States US Energy US Oil & Gas E&P
172 Pardee Resources Co. $195.3 M United States US Energy US Oil & Gas Equipment & Services
173 Sintana Energy, Inc. $195.2 M United States US Energy US Oil & Gas E&P
174 Blueknight Energy Partners, L.P. $194.0 M

(Aug. 1, 2022)

 United States US Energy US Oil & Gas Midstream
175 Geospace Technologies Corporation $179.6 M United States US Energy US Oil & Gas Equipment & Services
176 DMC Global Inc. $172.7 M United States US Energy US Oil & Gas Equipment & Services
177 Evolution Petroleum Corporation $171.5 M United States US Energy US Oil & Gas E&P
178 Aemetis, Inc. $169.4 M United States US Energy US Oil & Gas Refining & Marketing
179 Epsilon Energy Ltd. $165.1 M United States US Energy US Oil & Gas E&P
180 PHX Minerals Inc. $165.0 M

(June 1, 2025)

 United States US Energy US Oil & Gas E&P

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

151. Summit Midstream Partners, LP

Company Profile: Summit Midstream Partners, LP
Market Cap (USD): $405.2 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

152. Star Group, L.P.

Company Profile: Star Group, L.P.
Market Cap (USD): $404.8 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

153. 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

154. Ur-Energy Inc.

Company Profile: Ur-Energy Inc.
Market Cap (USD): $397.7 M
Country: United States
Sector: US Energy
Industry: US Uranium

155. FTS International, Inc.

Company Profile: FTS International, Inc.
Market Cap (USD): $372.5 M (March 1, 2022)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

156. 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

157. Oil States International, Inc.

Company Profile: Oil States International, Inc.
Market Cap (USD): $348.3 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

158. Natural Gas Services Group, Inc.

Company Profile: Natural Gas Services Group, Inc.
Market Cap (USD): $319.6 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

159. NACCO Industries, Inc.

Company Profile: NACCO Industries, Inc.
Market Cap (USD): $315.7 M
Country: United States
Sector: US Energy
Industry: US Thermal Coal

160. 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

161. Green Plains Partners LP

Company Profile: Green Plains Partners LP
Market Cap (USD): $287.9 M (Jan. 1, 2024)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

162. Ranger Energy Services, Inc.

Company Profile: Ranger Energy Services, Inc.
Market Cap (USD): $277.6 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

163. Unit Corp

Company Profile: Unit Corp
Market Cap (USD): $265.1 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Integrated

164. 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

165. 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

166. 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

167. CSI Compressco LP

Company Profile: CSI Compressco LP
Market Cap (USD): $251.3 M (Jan. 1, 2024)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

168. Forum Energy Technologies, Inc.

Company Profile: Forum Energy Technologies, Inc.
Market Cap (USD): $241.2 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

169. Berry Corporation

Company Profile: Berry Corporation
Market Cap (USD): $240.5 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

170. EXCO Resources, Inc.

Company Profile: EXCO Resources, Inc.
Market Cap (USD): $237.6 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

171. Kolibri Global Energy Inc.

Company Profile: Kolibri Global Energy Inc.
Market Cap (USD): $234.2 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

172. Pardee Resources Co.

Company Profile: Pardee Resources Co.
Market Cap (USD): $195.3 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

173. Sintana Energy, Inc.

Company Profile: Sintana Energy, Inc.
Market Cap (USD): $195.2 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

174. Blueknight Energy Partners, L.P.

Company Profile: Blueknight Energy Partners, L.P.
Market Cap (USD): $194.0 M (Aug. 1, 2022)
Country: United States
Sector: US Energy
Industry: US Oil & Gas Midstream

175. Geospace Technologies Corporation

Company Profile: Geospace Technologies Corporation
Market Cap (USD): $179.6 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

176. DMC Global Inc.

Company Profile: DMC Global Inc.
Market Cap (USD): $172.7 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

177. Evolution Petroleum Corporation

Company Profile: Evolution Petroleum Corporation
Market Cap (USD): $171.5 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

178. Aemetis, Inc.

Company Profile: Aemetis, Inc.
Market Cap (USD): $169.4 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas Refining & Marketing

179. Epsilon Energy Ltd.

Company Profile: Epsilon Energy Ltd.
Market Cap (USD): $165.1 M
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

180. PHX Minerals Inc.

Company Profile: PHX Minerals Inc.
Market Cap (USD): $165.0 M (June 1, 2025)
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

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