| REANIX ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| Hudson Clean Energy China GP, Limited | Private company limited by shares | Live |
| ADVANCED ENERGY LIMITED | Private company limited by shares | Dissolved |
| WING ART DESIGN & ENGINEERING LIMITED | Private company limited by shares | Live |
| CHINATAC ENTERPRISES LIMITED | Private company limited by shares | Live |
| CHINA INNER MONGOLIA ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| HANDLINK ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| VAST ENERGY RESOURCES GROUP LIMITED | Private company limited by shares | Dissolved |
| XIN JIN JIANG ENGINEERING LIMITED | Private company limited by shares | Live |
| Chase Engineering Limited | Private company limited by shares | Live |
| China Western Energy Capital Limited | Private company limited by shares | Dissolved |
| Sun Hui Cleaning Engineering Limited | Private company limited by shares | Live |
| INNOSOLAR ENERGY CO., LIMITED | Private company limited by shares | Live |
| TCC ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| WAI WAH VEHICLE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENOCH CHINESE MEDICINE CLINIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| YI XIN ENVIRONMENT FURNITURES LIMITED | Private company limited by shares | Live |
| China Energy and Power Asia Limited | Private company limited by shares | Live |
| WANG LIK DESIGN AND ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ACL ENTERPRISES LIMITED | Private company limited by shares | Live |
| KABO ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| GREEN ENERGY ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| AOSIF ENGINEERING LIMITED | Private company limited by shares | Live |
| PLOVER ENERGY LIMITED | Private company limited by shares | Live |
| DYNAIX ENGINEERING LIMITED | Private company limited by shares | Live |
| VIRYA ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| ENE-THING LIMITED | Private company limited by shares | Dissolved |
| EIG Global Energy (Asia) Limited | Private company limited by shares | Live |
| JEROME ALEXANDER ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| LI TAT ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| HING KEE ENGINEERING LIMITED | Private company limited by shares | Live |
| JET-SIN ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| KE FAI ENGINEERING & INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| HOP LIK SCAFFOLDING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FUTURE ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Hao Hao Enterprise Limited | Private company limited by shares | Live |
| JINSU ENERGY LIMITED | Private company limited by shares | Live |
| YUE YUEN ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| Suoyang New Energy Co., Limited | Private company limited by shares | Live |
| KIT WO DRAINAGE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Chan Chung Kee Engineering Company Limited | Private company limited by shares | Live |
| Integrated Sports & Entertainment Limited | Private company limited by shares | Live |
| PIKEMAN ENERGY LIMITED | Private company limited by shares | Live |
| Land Power Engineering Co., Limited | Private company limited by shares | Live |
| HANG TAT E & M ENGINEERING LIMITED | Private company limited by shares | Live |
| MC ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Top Tech Enterprising (HK) Limited | Private company limited by shares | Dissolved |
| ORIENT DIGITAL ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| ENERGA CO., LIMITED | Private company limited by shares | Dissolved |
| Smart Success Engineering Limited | Private company limited by shares | Live |
| TIM ON REFRIGERATION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Enoch Glory Fund Limited | Company limited by guarantee | Live |
| POCHE ENGINEERING MACHINERY LIMITED | Private company limited by shares | Dissolved |
| Wallham Construction Engineering Limited | Private company limited by shares | Live |
| MING FAI ENGINEERING LIMITED | Private company limited by shares | Live |
| ENERGY ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| Yu Zhan Environmental Protection Technology (HK) Limited | Private company limited by shares | Live |
| Gemstone Engineering Limited | Private company limited by shares | Live |
| BMI Environmental Consultancy Limited | Private company limited by shares | Live |
| York HK Engineering Limited | Private company limited by shares | Live |
| TECHVANCE ENGINEERING LIMITED | Private company limited by shares | Live |
| Xin Jun Ya Engineering Company Limited | Private company limited by shares | Live |
| ECO-TIGER POWER ENERGY LIMITED | Private company limited by shares | Live |
| WANYE ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Renewable Energy (Vietnam) Limited | Private company limited by shares | Live |
| L-Telecom Engineering Limited | Private company limited by shares | Dissolved |
| TECHNOVATION ENGINEERING LIMITED | Private company limited by shares | Live |
| STRONG CHINA ENGINEERING LIMITED | Private company limited by shares | Live |
| BAY BAY ENTERPRISES LIMITED | Private company limited by shares | Live |
| Endeavor Systems Limited | Private company limited by shares | Live |
| CHONG KIN MACHINERY & ENGINEERING LIMITED | Private company limited by shares | Live |
| Envidence Engineering Limited | Private company limited by shares | Live |
| LUNG KONG ELECTRIC ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| MON ENTERPRISE LIMITED | Private company limited by shares | Live |
| ENERGY SOURCING CO., LIMITED | Private company limited by shares | Live |
| KONG KEUNG ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Financial Engineering Workshop Limited | Private company limited by shares | Live |
| China Energy Conservation (Hong Kong) Company Limited | Private company limited by shares | Live Ceased dormancy on 27-Jun-2016 |
| CHANGHONGTAI ENVIRONMENTAL PROTECTION ENERGY LIMITED | Private company limited by shares | Live |
| Hing Li Engineering Co. Limited | Private company limited by shares | Live |
| EME MECHANICAL ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| BST JINSU ENERGY LIMITED | Private company limited by shares | Dissolved |
| Effective Energy Limited | Private company limited by shares | Live |
| HONGKONG LANGNENG ENVIRONMENT INVESTMENT CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| Link Chain Engineering Limited | Private company limited by shares | Dissolved |
| ONE ZERO ONE ENVIRONMENTAL PROTECTION TECHNOLOGY (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| SP ENTERPRISE LIMITED | Private company limited by shares | Live |
| PACIFIC ENERGY GROUP LIMITED | Private company limited by shares | Dissolved |
| ENJOYABLE LEARNING & DEVELOPMENT CENTRE LIMITED | Private company limited by shares | Live |
| DAO ZHENG ENGINEERING LIMITED | Private company limited by shares | Live |
| BRIGHTING ENERGY CO., LIMITED | Private company limited by shares | Live |
| M & Z ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| ZEN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WIN TOP ENGINEERING LIMITED | Private company limited by shares | Live |
| PUI LAM ENGINEERING LIMITED | Private company limited by shares | Live |
| CHINA EDUCATIONAL INSTITUTION & ENTERPRIS ASSOCIATION LIMITED | Private company limited by shares | Live |
| HESHAN FIFTH-MINE ENERGY GROUP LIMITED | Private company limited by shares | Dissolved |
| SCORE CENTURY ENGINEERING LIMITED | Private company limited by shares | Live |
| JUNHO E&M ENGINEERING LIMITED | Private company limited by shares | Live |
| HYDRO ENGINEERING LIMITED | Private company limited by shares | Dissolved |