| ALLIED ENERGY LIMITED | Private company limited by shares | Live |
| HONGKONG HAOJUEHONDA ENGINE CO., LIMITED | Private company limited by shares | Dissolved |
| SANDBRIGHT ENGINEERING LIMITED | Private company limited by shares | Live |
| WAI KONG DESIGN AND ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| VICTORY LIGHTING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| GETRESOR ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| NU GRASS TECHNOLOGY & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MAINLAND ENERGY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CTC Engineering Limited | Private company limited by shares | Live Commenced dormancy on 16-Aug-2011 |
| EASY ENGINEERING HOLDING LIMITED | Private company limited by shares | Dissolved |
| TOP GRACE ENVIRO-TECH (HOLDING) COMPANY LIMITED | Private company limited by shares | Dissolved |
| GRATTE-CIEL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SUNTEX ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| MINGXING ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| ENZYME IT LIMITED | Private company limited by shares | Dissolved |
| ENERGY SPREAD LIMITED | Private company limited by shares | Dissolved |
| FINE ENERGY LIMITED | Private company limited by shares | Dissolved |
| Enrich Consultancy Co Limited | Private company limited by shares | Live |
| ENGINE ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Live |
| C6 Green Architectural & Engineering Consulting Co. Limited | Private company limited by shares | Dissolved |
| WAH HING IRON ENGINEERING LIMITED | Private company limited by shares | Live |
| O'MEET ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| YKM ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| EURO GLOBAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ENNEJAH IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Live |
| PIMM'SNO.1BEAUTY HEALTH CARE FUN INTERNATIONAL GROUP (ENGLAND) WINE INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| DRAGON BEST ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| VP ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WESCO ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HK EAST GARDEN ENVIRONMENT ART DESIGN LIMITED | Private company limited by shares | Dissolved |
| CRITERION PRECISION ENGINE PRODUCTS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CHIA TAI ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| LANGDI ENTERPRISE LIMITED | Private company limited by shares | Live |
| GRAND M&E ENGINEERING LIMITED -THE- | Private company limited by shares | Live |
| KAM KONG ELECTRICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| YENWELL NETWORK ENERGY (ASIA) TECHNOLOGY CO. LIMITED | Private company limited by shares | Dissolved |
| FIT ENERGY LIMITED | Private company limited by shares | Dissolved |
| COME FAI ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHINA ENERGY OF ENVIRONMENTAL TECHNOLOGY ACADEME LIMITED | Private company limited by shares | Live |
| Skyward Design & Engineering Limited | Private company limited by shares | Live |
| ENJOY INDUSTRIAL INTERNATIONAL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| NEW ENERGY MATERIALS INTEGRATED LIMITED | Private company limited by shares | Live |
| River Walk Enterprises, Limited | Private company limited by shares | Live |
| KUNG NGAI ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| GROUP ENERGY LIMITED | Private company limited by shares | Dissolved |
| INTERSTELLAR ENERGY INVESTMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| HONGKONG GOLDLUCK ENVIRONMENT SERVICE TRADE LIMITED | Private company limited by shares | Live |
| Newport Energy Limited | Private company limited by shares | Dissolved |
| MX Enterprises Limited | Private company limited by shares | Live Commenced dormancy on 16-Sep-2011 |
| GALAXY CENTURY NEW ENERGY INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| Enderun Offshore Holdings, Limited | Private company limited by shares | Dissolved |
| CHUNG MAN ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| POINTER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| NINGBO MINGLONG ENTERPRISING LIMITED | Private company limited by shares | Live |
| USA ROZZON ENVIRONMENT TECHNOLOGY HOLDINGS CO., LIMITED | Private company limited by shares | Dissolved |
| DEEPLAKE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GOOD HOPE ENERGY GROUP LIMITED | Private company limited by shares | Live |
| National Environmental Maintenance Co. Limited | Private company limited by shares | Dissolved |
| ZGEANT ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHAINPLAS ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| GEM SHA WAH ENTERPRISE LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL MANAGEMENT TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Millennium Energy Limited | Private company limited by shares | Dissolved |
| SMART STALLION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ART TEAM ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MANWAY ENGINEERING LIMITED | Private company limited by shares | Live |
| SKY WEALTH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Sunlight Environmental Limited | Private company limited by shares | Live |
| ASIAN HARBOUR INVESTMENT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HUI YU ENERGY GROUP LIMITED | Private company limited by shares | Live |
| MING FAT ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Affluence Engineering Limited | Private company limited by shares | Live |
| WAI KEE ENGINEERING LIMITED | Private company limited by shares | Live |
| SUCCESS FORD ENTERPRISES LIMITED | Private company limited by shares | Live |
| GRACE SURPLUS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LIN YUAN ENVIRONMENT LIMITED | Private company limited by shares | Live |
| CHINA ENZE BIO SCIENTIFIC RESEARCH LIMITED | Private company limited by shares | Dissolved |
| BOGO (CHINA) ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Clean Environment (Hong Kong) Investment Limited | Private company limited by shares | Dissolved |
| OFFSHORE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAN FAT ENGINEERING MFG., CO., LIMITED | Private company limited by shares | Live |
| AUTHENTIC ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| JPRECISION ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| YES (ENGLAND) HOLDING LIMITED | Private company limited by shares | Dissolved |
| 3E EARTH ENERGY ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| WAH MEI ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| HIN YAT ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| WANG YU ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ATESA ENGINEERING LIMITED | Private company limited by shares | Live |
| Kazu Enterprise Limited | Private company limited by shares | Live |
| WIN DESIGN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Best Act Construction Engineering Limited | Private company limited by shares | Dissolved |
| ENABLING CONSULTING LIMITED | Private company limited by shares | Live |
| ENRICH POWER INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| ARC Engineering Limited | Private company limited by shares | Dissolved |
| BENEFIC ENERGY LIMITED | Private company limited by shares | Dissolved |
| C&G Environmental Protection (Hong Kong) Company Limited | Private company limited by shares | Live |
| ALAN ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| LEON DESIGN ENGINEERING LIMITED | Private company limited by shares | Live |
| YuanLi Wind Energy Investment Limited | Private company limited by shares | Live |