| FULL SKY ENGINEERING LIMITED | Private company limited by shares | Live |
| GRAND RIVER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HING SHING ENVIRONMENT CO., LIMITED | Private company limited by shares | Live |
| HK AIDE ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENT HIGH TECHNOLOGY ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| C2E ENERGY LIMITED | Private company limited by shares | Live |
| YIM KEE ENGINEERING CONTAINER SYSTEM COMPANY LIMITED | Private company limited by shares | Live |
| JIFATU GENERAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DCC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Investment Entrant Limited | Private company limited by shares | Dissolved |
| NUN TAT ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ENERGY CHINA INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| ENJOY LIGHTING CO., LIMITED | Private company limited by shares | Live |
| INFINITY ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| K&A ENTERPRISE LIMITED | Private company limited by shares | Live |
| ENOVATIVE ENVIRONMENTAL SERVICE LIMITED | Private company limited by shares | Live |
| UNGER ENGINEERING CONSULTING LIMITED | Private company limited by shares | Live |
| HONG BAO ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GERMANY OULU ENERGY LIMITED | Private company limited by shares | Live |
| JUZHAO ENERGY (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| LEAD TIME ENTERPRISE LIMITED | Private company limited by shares | Live |
| LONGWIN CHINA ENTERPRISE LIMITED | Private company limited by shares | Live |
| KMGS ENERGY PTE LIMITED | Private company limited by shares | Live |
| HARVEST ENGINEERING LIMITED | Private company limited by shares | Live |
| CHIT TIK MECHANICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ZOIE ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| ENSO LIMITED | Private company limited by shares | Dissolved |
| ULTIMATE E & M ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HK HUA YI CONSTRUCTION ENGINEERING DESIGN LIMITED | Private company limited by shares | Dissolved |
| FENIX GLOBAL ENGINEERING LIMITED | Private company limited by shares | Live |
| MAX CHAMP ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JORUSSI ENGINEERING EXP & IMP CO. LIMITED | Private company limited by shares | Live |
| ART POWER ENGINEERING LIMITED | Private company limited by shares | Live |
| KEDA ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW ERA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| EXPERT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| China United New Energies Group Limited | Private company limited by shares | Dissolved |
| G. ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| ENRICH TREASURE LIMITED | Private company limited by shares | Live |
| CENTURY RICH ENTERPRISES LIMITED | Private company limited by shares | Live |
| Shanghai BioEnv Environmental Technology Co., Limited | Private company limited by shares | Live |
| STRONG ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| GABA ENTERPRISE LIMITED | Private company limited by shares | Live |
| Parklane Engineering Limited | Private company limited by shares | Dissolved |
| ITALY ENDI (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| WIN LEE CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| KAM JUE MATERIALS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Chinagrowth Energy Limited | Private company limited by shares | Live |
| CHINESE CONSTRUCTION ENTREPRENEURS ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| CENTRAL DISHWARE ENVIRONMENTAL CLEANING AND STERILIZING LIMITED | Private company limited by shares | Dissolved |
| ENOR INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| JIANGSU SK ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SANRICH ENTERPRISES LIMITED | Private company limited by shares | Live |
| GRAND IMPRESSIVE ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| KAMMON ENGINEERING LIMITED | Private company limited by shares | Live |
| AEA NEW ENERGY INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| Tahoe Fook Enterprise Limited | Private company limited by shares | Live |
| GREENALAND ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| YUN KI ENGINEERING LIMITED | Private company limited by shares | Live |
| WEALTHY STAR ENTERPRISE LIMITED | Private company limited by shares | Live |
| MORE ENTERPRISE LIMITED | Private company limited by shares | Live |
| GLOBAL CHINESE PRIVATE ENTREPRENEUR ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| GET MORE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ASIA PACIFIC ENERGY ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| Happy-Running Environmental Technology Co., Limited | Private company limited by shares | Live |
| ENLIGHTMENT LIMITED | Private company limited by shares | Live |
| HAN WOO ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| ONE ENGINEERING LIMITED -THE- | Private company limited by shares | Dissolved |
| POWER TEAM ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ENTERWIN CO. LIMITED | Private company limited by shares | Dissolved |
| CENTURY MARBLE ENGINEERING LIMITED | Private company limited by shares | Live |
| HOT GOOD ENGINEERING TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ENJOY INDUSTRIES LIMITED | Private company limited by shares | Live |
| ASTRAL ENERGY RESOURCES LIMITED | Private company limited by shares | Live |
| FOCUS ENGINEERING MANAGEMENT LIMITED | Private company limited by shares | Live |
| BOTING ENTERPRISES CO., LIMITED | Private company limited by shares | Live |
| Bonanza Era Renewable Energy Limited | Private company limited by shares | Dissolved |
| WAI YIP AIR-CONDITION ELECTRIC ENGINEERING LIMITED | Private company limited by shares | Live |
| FU WING W/E ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| DAYRICH ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUNG YUEN ENGINEERING (ASIA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Same Song Entertainment Community Limited -The- | Private company limited by shares | Live |
| CHUNG TIN ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| 3Y NEW ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| DEMAND ENERGY CHINA LIMITED | Private company limited by shares | Dissolved |
| NEW EXTEND ENGINEERING LIMITED | Private company limited by shares | Live |
| WESCO Energy Hong Kong Limited | Private company limited by shares | Live |
| SUNJOY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GRAND SMART CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| BIG VIEW ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GLORY CROWN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JUTAI ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FORTIGE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| WAI YIP ENGINEERING LIMITED | Private company limited by shares | Live |
| EIC ENGINEERING LIMITED | Private company limited by shares | Live |
| EAST ENERGY LIMITED | Private company limited by shares | Dissolved |
| LI JUN ENTERPRISES LIMITED | Private company limited by shares | Live |
| ENYUAN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GRAND ALLIED ENTERPRISES LIMITED | Private company limited by shares | Live |
| TB ENTERPRISES LIMITED | Private company limited by shares | Dissolved |