| YUE TAI VEHICLE ENG. LIMITED | Private company limited by shares | Live |
| NILE ENGINEERING CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| SUCCESS VIEW ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ENLIVEN (ASIA) LIMITED | Private company limited by shares | Live |
| MC Energy & Shipping Limited | Private company limited by shares | Live |
| ITT ENGINEERING LIMITED | Private company limited by shares | Live |
| GWP ENGINEERING LIMITED | Private company limited by shares | Live |
| GUANG YI ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| UNIVERSAL ENVIRONMENTAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| SUN SMART ENERGY CO., LIMITED | Private company limited by shares | Live |
| WELL LUCK ENTERPRISE LIMITED | Private company limited by shares | Live |
| MAN CREATION ENGINEERING LIMITED | Private company limited by shares | Live |
| CENTRALINK ENERGY INVESTMENTS LIMITED | Private company limited by shares | Live |
| TEAM MAX ENGINEERING LIMITED | Private company limited by shares | Live |
| CROWN TEAM ENTERPRISE LIMITED | Private company limited by shares | Live |
| INNOVATE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| ALLIED TOP ENGINEERING LIMITED | Private company limited by shares | Live |
| FAST WELL ENGINEERING LIMITED | Private company limited by shares | Live |
| JL EnterAsia Limited | Private company limited by shares | Dissolved |
| GLOBAL WAY ENGINEERING LIMITED | Private company limited by shares | Live |
| AAP Enterprise Limited | Private company limited by shares | Live |
| KONG POWER ENGINEERING LIMITED | Private company limited by shares | Live |
| ENPOWER COMPONENTS COMPANY LIMITED | Private company limited by shares | Live |
| CHINA FAME ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TOP VICTORY ENGINEERING LIMITED | Private company limited by shares | Live |
| EASY RICHEST ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| WAI YIP ENGINEERING SERVICE LIMITED | Private company limited by shares | Live |
| Environmental Technology Co. Limited | Private company limited by shares | Live |
| BERMAN ELECTRONIC ENTERPRISES LIMITED | Private company limited by shares | Live |
| DRAGON ENERGY LIMITED | Private company limited by shares | Live |
| ARTBO ENTERPRISES LIMITED | Private company limited by shares | Live |
| ALS Environmental Pty Limited | Private company limited by shares | Live |
| ENERTRUSDY INTERNATIONAL GROUP (HONGKONG) LIMITED | Private company limited by shares | Live |
| BO MAN ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| E-CAN CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| YMT CONSTRUCTION & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| GAINBERG ENVIRONMENTAL SYSTEMS LIMITED | Private company limited by shares | Live |
| FAST ENERGY LIMITED | Private company limited by shares | Live |
| XINGLI HK ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GARY DESIGN & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CLC Entertainment Limited | Private company limited by shares | Live |
| KS TECHNOLOGY ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| NEW WAH KEE ENGINEERING LIMITED | Private company limited by shares | Live |
| MING TAK CONSTRUCTIONS AND ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Thaisino Energy Investment Consulting Company Limited | Private company limited by shares | Dissolved |
| XuYou Entertainment Co., Limited | Private company limited by shares | Dissolved |
| Flame Engineering Limited | Private company limited by shares | Live |
| FORTUNE ENTREPRENEUR LIMITED | Private company limited by shares | Live |
| ASIA ENERGY CONSULTING LIMITED | Private company limited by shares | Live |
| Long Excellent Environmental Management Limited | Private company limited by shares | Live |
| GOLD BOND (ASIA) ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MNR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TRIPLE CREATIVE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| EVER NEW ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ENRICH FUTURE LIMITED | Private company limited by shares | Live |
| MPOWER ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| IVY ENTERPRISE LIMITED | Private company limited by shares | Live |
| SIF ENTERPRISE LIMITED | Private company limited by shares | Live |
| ENRICH LIFE LIMITED | Private company limited by shares | Live |
| ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| ENVITALY LIMITED | Private company limited by shares | Live |
| ENSO HEALTHCARE LIMITED | Private company limited by shares | Live |
| ENSO INVESTMENTS LIMITED | Private company limited by shares | Live |
| ENSO NATURAL RESOURCES LIMITED | Private company limited by shares | Live |
| EYEN ENERGY LIMITED | Private company limited by shares | Live |
| UGA Enterprises Limited | Private company limited by shares | Live |
| CENTURY ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Faster Engineering Company Limited | Private company limited by shares | Live |
| GENERAL ENVIROTECH LIMITED | Private company limited by shares | Live |
| Kam Yam Construction Engineering Limited | Private company limited by shares | Live |
| ZHUN SHENG ENGINEERING LIMITED | Private company limited by shares | Live |
| PING'S DESIGN & ENGINEERING LIMITED | Private company limited by shares | Live |
| CHINA GREEN ENVIRONMENT ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| iQ Energy Limited | Private company limited by shares | Live |
| INNOVATIVE CLEAN ENERGY GROUP LIMITED | Private company limited by shares | Dissolved |
| WELL LEAD ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SOUTH NEW ENERGY (CHINA) INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CSA ENTERPRISES LIMITED | Private company limited by shares | Live |
| Everbright Energy Limited | Private company limited by shares | Live |
| Garden Of Envy Limited | Private company limited by shares | Dissolved |
| Best Green Energy (Hong Kong) Limited | Private company limited by shares | Live |
| NET GO ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CHINA EAST ENVIRONMENTAL TECHNOLOGY SHARES LIMITED | Private company limited by shares | Dissolved |
| Alzab for Clean Energy Limited | Private company limited by shares | Dissolved |
| WSD ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| FORTUNE ENVIRONMENTAL LED LIGHTING LIMITED | Private company limited by shares | Dissolved |
| BLAZING ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| PARALLEL ENERGY LIMITED | Private company limited by shares | Dissolved |
| TERSIS ENERGY RESOURCES HONG KONG LIMITED | Private company limited by shares | Live |
| InTech Engineering Limited | Private company limited by shares | Dissolved |
| SHIMENG ARCHITECTURE & ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| PLUTUS DESIGN & ENGINEERING LIMITED | Private company limited by shares | Live |
| KLK Engineering And Consulting Limited | Private company limited by shares | Live |
| TUNG HO ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HOP LIK ELECTRIC ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| MAX ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| PARK RICH ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MAIN POWER ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SILVER LUCK ENTERPRISE LIMITED | Private company limited by shares | Live |
| SILVER TEAM ENTERPRISE LIMITED | Private company limited by shares | Live |