| Ultimate Energy Resources, Limited | Private company limited by shares | Live |
| ULTRA ENERGY LIMITED | Private company limited by shares | Live |
| ULTRA ENERGY GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| ULTRA ENERGY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ULTRA ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| ULTRA ENERGY SHIPPING LIMITED | Private company limited by shares | Dissolved |
| Ultra Energy Technology Limited | Private company limited by shares | Dissolved |
| Unigreen Energy Limited | Private company limited by shares | Live |
| UNIPOWER ENERGY LIMITED | Private company limited by shares | Live |
| UNIRULE ENERGY LIMITED | Private company limited by shares | Live |
| UNISUN ENERGY LIMITED | Private company limited by shares | Live |
| UNITED ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| United Energy Asia Limited | Private company limited by shares | Dissolved |
| United Central Energy Limited | | Live |
| CHINA UNITED NEW ENERGY LIMITED | Private company limited by shares | Live |
| CHINA UNITED ENERGY LIMITED | Private company limited by shares | Live |
| UNITED ENERGY (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| United Carbide Energy Technologies Co., Limited | Private company limited by shares | Live |
| USA UNITED ENERGY GROUP LIMITED | Private company limited by shares | Live |
| UNITED ENERGY GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| UNITED ENERGY (ASIA) INVESTMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| UNITED POWER ENERGY (GROUP) LIMITED | Private company limited by shares | Live |
| UNITED POWER ENERGY HONG KONG LIMITED | Private company limited by shares | Dissolved |
| UNITED ENERGY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK United Energy Investment Limited | Private company limited by shares | Live |
| United Engineers for Energy and Raw Materials Limited | Private company limited by shares | Live |
| UNITED MOBIL ENERGY PACIFIC LIMITED | | Live |
| UNITED PETROLEUM ENERGY LIMITED | Private company limited by shares | Live |
| UNITED ENERGY PRODUCTS LIMITED | Private company limited by shares | Live |
| UNITED ENERGY RESOURCES LIMITED | Private company limited by shares | Live |
| UNITED ENERGY TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UNITED ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| UNITED ENERGY TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| UNITED ENERGY TRADING LIMITED | Private company limited by shares | Dissolved |
| United Energy Trading Company Limited | Private company limited by shares | Live |
| UNITED ENERGY TRADING PTE LIMITED | Private company limited by shares | Live |
| Unitive Energy Technology Company Limited | | Live |
| UNIVA Energy Limited | Private company limited by shares | Live |
| New Energy Universal Investment Limited | | Live |
| ENERGY UNLIMITED ASIA LIMITED | Private company limited by shares | Live |
| UNLIMITED ENERGY EXPLORATORY LIMITED | Private company limited by shares | Dissolved |
| Uper Energy Limited | Private company limited by shares | Live |
| Upstream Energy Limited | Private company limited by shares | Live |
| UPWARD ENERGY LIMITED | Private company limited by shares | Dissolved |
| UPWARD ENERGY LIMITED | Private company limited by shares | Live |
| Utilise Energy Limited | Private company limited by shares | Live |
| VAJRA ENERGY LIMITED | Private company limited by shares | Live |
| Valence Energy Developments Limited | Private company limited by shares | Live |
| Vallois Energy Limited | | Live |
| VANPEC ENERGY LIMITED | Private company limited by shares | Dissolved |
| AB VAPOR ENERGY INVESTMENT COMPANY LIMITED | | Live |
| VARCO ENERGY LIMITED | Private company limited by shares | Dissolved |
| VAST ENERGY LIMITED | Private company limited by shares | Live |
| China Electric Energy Vehicles Company Limited | Private company limited by shares | Live |
| NexDrive New Energy Vehicles Limited | | Live |
| New Gonow New Energy Vehicles Technology Limited | | Live |
| Veneration Energy Investment Limited | | Live |
| TOP VENTURE ENERGY LIMITED | Private company limited by shares | Live |
| Renewable Energy Venture Limited | Private company limited by shares | Live |
| VERDANT ENERGY LIMITED | | Live |
| VERDES ENERGY LIMITED | Private company limited by shares | Live |
| Energy Vergence Limited | Private company limited by shares | Live |
| Versatech Energy Innovation Limited | Private company limited by shares | Live |
| ENERGY VICTOR LIMITED | Private company limited by shares | Live |
| VICTORY ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUN VICTORY ENERGY LIMITED | Private company limited by shares | Live |
| Long Victory Energy Limited | Private company limited by shares | Live |
| Vietnam Energy Consulting Limited | Private company limited by shares | Live |
| Renewable Energy (Vietnam) Limited | Private company limited by shares | Live |
| Vietnam Wind Energy Limited | Private company limited by shares | Live |
| ENERGY VIEW LIMITED | Private company limited by shares | Live |
| ENERGY VIEW LIMITED | Private company limited by shares | Live |
| Vigon Energy Investment Limited | | Live |
| VIRTUE ENERGY LIMITED | | Live |
| VIRYA ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| VISA ENERGY ASIA LIMITED | Private company limited by shares | Live |
| VISENCH ENERGY LIMITED | | Live |
| VISION ENERGY LIMITED | Private company limited by shares | Live |
| VISION ECO ENERGY LIMITED | | Live |
| VISION CENTURY ENERGY LIMITED | Private company limited by shares | Dissolved |
| VITAL ENERGY LIMITED | Private company limited by shares | Dissolved |
| VITAL ENERGY LIMITED | Private company limited by shares | Live |
| Vital Eurasian Energy Limited | Private company limited by shares | Live |
| VITAL ENERGY & POWER COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOLAR VOLTAIC ENERGY LIMITED | Private company limited by shares | Live |
| VOTA ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| WAHS ENERGY LIMITED | | Live |
| WANG GUO ENERGY LIMITED | Private company limited by shares | Live |
| WANSHENG ENERGY LIMITED | | Live |
| WANZUN ENERGY LIMITED | Private company limited by shares | Dissolved |
| WARWICK ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Watchmen New Energy Technology Limited | | Live |
| Wattco Energy Limited | Private company limited by shares | Live |
| WATTNER ENERGY LIMITED | Private company limited by shares | Live |
| WAVE ENERGY LIMITED | Private company limited by shares | Dissolved |
| WAVES NEW ENERGY LIMITED | Private company limited by shares | Live |
| WEALTH ENERGY LIMITED | Private company limited by shares | Dissolved |
| WEALTH ENERGY LIMITED | Private company limited by shares | Live |
| SUN WEALTH (ASIA) ENERGY LIMITED | Private company limited by shares | Live |
| WEALTHLY NEW ENERGY LIMITED | Private company limited by shares | Dissolved |