| WINSTON ENERGY GROUP LIMITED | Private company limited by shares | Live |
| WISDOM ENERGY LIMITED | Private company limited by shares | Dissolved |
| ENERGY WISDOM LIMITED | Private company limited by shares | Live |
| WISDOM ENERGY LIMITED | Private company limited by shares | Live |
| WISDOM ENERGY LIMITED | Private company limited by shares | Live |
| WISE ENERGY LIMITED | Private company limited by shares | Dissolved |
| ENERGY WISE CO. LIMITED | Private company limited by shares | Dissolved |
| ENERGY WISE LIMITED | Private company limited by shares | Dissolved |
| WISE ENERGY LIMITED | Private company limited by shares | Live |
| Sky Wise New Energy Limited | Private company limited by shares | Live |
| ENERGY WISE LIMITED | | Live |
| WISON ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| WONDER ENERGY LIMITED | Private company limited by shares | Live |
| WONDERFUL ENERGY HOLDING LIMITED -THE- | Private company limited by shares | Live |
| ENERGY WOOD LIMITED | Private company limited by shares | Dissolved |
| WORKING ENERGY LIMITED | Private company limited by shares | Live Commenced dormancy on 25-Apr-2006 |
| ENERGY WORKSHOP COMPANY LIMITED | Private company limited by shares | Live |
| WORLDBIZ ENERGY LIMITED | Private company limited by shares | Live |
| WORLDLINK ENERGY LIMITED | Private company limited by shares | Live |
| Worldlink Energy Systems Limited | Private company limited by shares | Live |
| WUMING ENERGY LIMITED | Private company limited by shares | Live |
| WUXI BOILER & ENERGY ENGINEERING COMPANY LIMITED | | Live |
| ECO Xianyang New Energy Limited | Private company limited by shares | Dissolved |
| Lu Xiao Ye New Energy Company Limited | | Live |
| XILAN ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| XINGLI HK ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHINA XINHAI ENERGY LIMITED | Private company limited by shares | Dissolved |
| XINNUO ENERGY PRIVATE LIMITED | Private company limited by shares | Live |
| Yama Renewable Energy Co Limited | Private company limited by shares | Live |
| Da Yang Energy Mall Co., Limited | Private company limited by shares | Live |
| Jun Yang Energy Investments Limited | Private company limited by shares | Live |
| WAH YANG ENERGY (JINCHENG) LIMITED | Private company limited by shares | Dissolved |
| Tai Yang Solar Energy Limited | Private company limited by shares | Live |
| ENERGY YATCH LIMITED | Private company limited by shares | Live |
| Yeemin New Energy co., Limited | Private company limited by shares | Live |
| YENWELL ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| YENWELL NETWORK ENERGY (ASIA) TECHNOLOGY CO. LIMITED | Private company limited by shares | Dissolved |
| YEOSAN ENERGY LIMITED | Private company limited by shares | Live |
| MING YEUNG ENERGY RESOURCES INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| YIBAI Energy Co., Limited | | Live |
| HAO YING ENERGY CO., LIMITED | Private company limited by shares | Live |
| HO YING RENEWABLE ENERGY LIMITED | | Live |
| YINGLI SOLAR ENERGY SYSTEM LIMITED | Private company limited by shares | Live |
| Yinlong New Energy Limited | Private company limited by shares | Live |
| Yinlun Goldbridge Clean Energy Limited | Private company limited by shares | Live |
| HK YINMOKU ENERGY CO., LIMITED | | Live |
| YINYOO ENERGY LIMITED | Private company limited by shares | Live |
| YIZHONG ENERGY HK LIMITED | Private company limited by shares | Live |
| YOKU ENERGY LIMITED | Private company limited by shares | Live |
| YOKU ENERGY HOLDING LIMITED | Private company limited by shares | Dissolved |
| Yong Energy Company Limited | Private company limited by shares | Live |
| YORK ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Yorks New Energy Limited | Private company limited by shares | Live |
| YOUNG ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| YOUNG ENERGY SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| YUAN NEW ENERGY LIMITED | Private company limited by shares | Live |
| CHINA YUAN DA ENERGY STOCK LIMITED | Private company limited by shares | Dissolved |
| CHINA YUAN DA ENERGY STOCK LIMITED | | Live |
| CHENG YUAN NEW ENERGY RESOURCES CO., LIMITED | | Live |
| Yuan Dong Energy Limited | Private company limited by shares | Live |
| YUAN MING GREEN ENERGY LIMITED | Private company limited by shares | Live |
| JIN YUAN ENERGY (HOLDING) GROUP LIMITED | Private company limited by shares | Dissolved |
| Yuanhai Bio Energy Limited | Private company limited by shares | Live |
| YUANHAI ENERGY LIMITED | Private company limited by shares | Live |
| YuanLi Wind Energy Investment Limited | Private company limited by shares | Live |
| Yuanpin New Energy (Hong Kong) Company Limited | | Live |
| YuanPu Energy Limited | | Live |
| YUBO SOLAR ENERGY LIMITED | Private company limited by shares | Live |
| YUELU ENERGY LIMITED | | Live |
| YUMAO ENERGY TRADE LIMITED | Private company limited by shares | Live |
| Kam Yung New Energy Company Limited | Private company limited by shares | Live |
| YUNNAN ENERGY INVESTMENT (H K) CO. LIMITED | Private company limited by shares | Live |
| YUTAI ENERGY TRADE LIMITED | | Live |
| YuYang New Energy Co., Limited | | Live |
| YXLEE ENERGY LIMITED | Private company limited by shares | Dissolved |
| Zenith Energy Limited | Private company limited by shares | Live |
| ZENITH HI-TECH ENERGY LIMITED | Private company limited by shares | Live |
| Zeroth Energy Limited | | Live |
| Zeus Energy Company Limited | Private company limited by shares | Live |
| Zeus New Energy Macau Co., Limited | | Live |
| ZHEJIANG ENERGY HONG KONG HOLDING LIMITED | Private company limited by shares | Live |
| ZHENG HE MINDRAY ENERGY GROUP COMPANY LIMITED | Private company limited by shares | Live |
| ZHENRONG SUN HING ENERGY & RESOURCES HOLDING LIMITED | Private company limited by shares | Live |
| Zhiben Energy (Hong Kong) Company Limited | Private company limited by shares | Live |
| ZhongGu Energy (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Zhongji Energy Limited | | Live |
| HK ZHONGMO NEW ENERGY LIMITED | | Live |
| Zhongran Energy Limited | Private company limited by shares | Live |
| ZHONGWEI ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| ER ZHOU ENERGY LIMITED | Private company limited by shares | Live |
| ZIRRUS ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| ENERGY ZONE LIMITED | Private company limited by shares | Live |
| ZONHAN NEW ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| Zonne Energy Co., Limited | Private company limited by shares | Live |
| Zonzou New Energy Technology Limited | Private company limited by shares | Live |
| Zulu Energy Limited | Private company limited by shares | Live |
| Zung Gau Energy Limited | Private company limited by shares | Live |
| Energy100 Limited | | Live |
| ENERGY8 LIMITED | Private company limited by shares | Dissolved |
| LEXCOR ENERGY(ASIA PACIFIC) LIMITED | | Live |