| TELEVOICE TECHNOLOGY ENGINEERING LIMITED | Private company limited by shares | Live |
| Mansfield E & M Engineering Limited | Private company limited by shares | Live |
| XUDONG ENERGY INVESTMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| DELUXE ENGINEERING LIMITED | Private company limited by shares | Live |
| Wo Hin Engineering Limited | Private company limited by shares | Live |
| CHIN YIU ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SFTE SOCIETE FRANCAISE DE TRANSACTION EN ENERGIES LIMITED | Private company limited by shares | Dissolved |
| GET GREEN ENERGY TRADE LIMITED | Private company limited by shares | Dissolved |
| FU YIU ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PMC GREEN ENERGY SOLUTIONS LIMITED | Private company limited by shares | Live |
| INTERSONIKON-CM BERNARDINI ENGINEERING (CHINA) LIMITED | Private company limited by shares | Live |
| ENDA ELECTRONICS INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| EAST SUN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENTACPRO COMPANY LIMITED | Private company limited by shares | Live |
| Welluxe Enterprises Limited | Private company limited by shares | Dissolved |
| ENERGY CALL LIMITED | Private company limited by shares | Dissolved |
| ENJOY GARDEN (HONGKONG) INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| M I C ENTERPRISE LIMITED | Private company limited by shares | Live |
| LEADTOP ENGINEERING LIMITED | Private company limited by shares | Live |
| GENERAL ENERGY TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| SUNRAIN NEW ENERGY GROUP LIMITED | Private company limited by shares | Dissolved |
| ENJOTEX CORPORATION LIMITED | Private company limited by shares | Dissolved |
| GCL Solar Energy Limited | Private company limited by shares | Live |
| A & C ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| RIGHT ENGINEERING LIMITED | Private company limited by shares | Live |
| TIN LEUNG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENJOYOR HOLDING LIMITED | Private company limited by shares | Live |
| Nature Stream Enterprises Limited | Private company limited by shares | Dissolved |
| ELECON SYSTEMS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHINA POWERGATE ENERGY-INVESTMENT (H.K.) HOLDING CO., LIMITED | Private company limited by shares | Live |
| SMART DRAGON ENTERPRISES LIMITED | Private company limited by shares | Live |
| Easy Smart Maintenance Engineering Limited | Private company limited by shares | Live |
| OCEAN POWER ENGINEERING LIMITED | Private company limited by shares | Live |
| C&K CONSTRUCTION AND ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PROJOY ENVIRONMENTAL EQUIPMENT (CHINA) LIMITED | Private company limited by shares | Live |
| YEE HOP ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Live |
| ENJOY INDUSTRY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| KIN HO ENGINEERING LIMITED | Private company limited by shares | Live |
| HON KEE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LANDWELL ENGINEERING LIMITED | Private company limited by shares | Live |
| Success Precision Engineering Co., Limited | Private company limited by shares | Live |
| YONG WANG ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Top Level Environment Design Company Limited | Private company limited by shares | Live |
| PIOWAY ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| CHINA CENTURY ENTERPRISES LIMITED | Private company limited by shares | Live |
| FU YING ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| CCC Enterprise Co. Limited | Private company limited by shares | Live |
| WOOFU ENTERPRISE LIMITED | Private company limited by shares | Live |
| QML ENTERPRISE LIMITED | Private company limited by shares | Live |
| NEWPOWER GREEN ENERGY LIMITED | Private company limited by shares | Dissolved |
| Ample Engineering Limited | Private company limited by shares | Live |
| CDR ENTERPRISES LIMITED | Private company limited by shares | Live |
| Asian Tech Entrepreneur Limited | Private company limited by shares | Dissolved |
| REALTECH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| POWER MACH ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| KAM CHUEN METAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ENERGY CARE LIFE LIMITED | Private company limited by shares | Dissolved |
| YU TAK ENGINEERING LIMITED | Private company limited by shares | Live |
| ENSTON HEALTHCARE LIMITED | Private company limited by shares | Live |
| JDC Enterprises Limited | Private company limited by shares | Live |
| MORAL WAY ENGINEERING LIMITED | Private company limited by shares | Live |
| NGAI YIP SCAFFOLDING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Rongca Petroleum Engineering Service Limited | Private company limited by shares | Live |
| ELITE ENGINEERING FAR EAST LIMITED | Private company limited by shares | Live |
| China Engineering Consulting Limited | Private company limited by shares | Dissolved |
| FINE TIME ENTERPRISES LIMITED | Private company limited by shares | Live |
| NORTH AMERICA UVD ENVIRONMENTAL INVESTMENT LIMITED | Private company limited by shares | Live |
| A & N ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Climate and Environment Services Group (CESG) Limited | Private company limited by shares | Live |
| JINLONGWANG ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Alliance Energy Limited | Private company limited by shares | Live |
| Excel-Technic Engineering Company Limited | Private company limited by shares | Dissolved |
| TEAMSPIRIT ENGINEERING LIMITED | Private company limited by shares | Live |
| LUNG ON ENGINEERING LIMITED | Private company limited by shares | Live |
| HK RICH TECHNOLOGY ENERGY LIMITED | Private company limited by shares | Dissolved |
| Energenz Consulting Limited | Private company limited by shares | Live |
| BVT ENTERPRISES LIMITED | Private company limited by shares | Live |
| HONEST SUN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| GOLD FORT ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| TAM CHUNG ENGINEERING LIMITED | Private company limited by shares | Live |
| HAINING FUXIKANG SOLAR ENERGY INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| ENERGETIC VICTORY LIMITED | Private company limited by shares | Dissolved |
| MING LAKE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PILOT MISSION ENTERPRISE LIMITED | Private company limited by shares | Live |
| SMART TOP ENGINEERING LIMITED | Private company limited by shares | Live |
| DRAGON SUN ENTERPRISES LIMITED | Private company limited by shares | Live |
| JOY TEAM ENTERPRISES LIMITED | Private company limited by shares | Live |
| JIA HUA ENERGY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| LAUTUS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JI'AN NEW ENERGY LIMITED | Private company limited by shares | Dissolved |
| ENERGY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| POWER SUCCESS CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| TIN FU RESOURCES ENGINEERING LIMITED | Private company limited by shares | Live |
| SUMTECH ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| RV ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DEBONDO ENERGY GROUP LIMITED | Private company limited by shares | Dissolved |
| MEG ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Enfame Limited | Private company limited by shares | Live |
| Drive Energy Tech Limited | Private company limited by shares | Live |
| MING HON ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |