| WINSKY ENGINEERING LIMITED | Private company limited by shares | Live |
| UNITED GRAND ENGINEERING LIMITED | Private company limited by shares | Live |
| NICEWAY GLOBAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| YIELD DRAGON ENTERPRISES LIMITED | Private company limited by shares | Live |
| MH Power Energy Co., Limited | Private company limited by shares | Live |
| SUM YUEN ENGINEERING LIMITED | Private company limited by shares | Live |
| WAI YIN ENTERPRISE LIMITED | Private company limited by shares | Live |
| Starfield Engineering Limited | Private company limited by shares | Live |
| ASIA PACIFIC ENERGY LIMITED | Private company limited by shares | Live |
| ASIA TEAM ENTERPRISES LIMITED | Private company limited by shares | Live |
| FIRST DYNASTY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KEEP SUCCESS ENTERPRISES LIMITED | Private company limited by shares | Live Ceased dormancy on 12-Dec-2013 |
| HEYEE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| DAN ASIA ENERGY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL ENVIRONMENT INVESTMENT HOLDING CO., LIMITED | Private company limited by shares | Live |
| CHINA ELECTRIC ENERGY ENGINEERING CONSTRUCTION LIMITED | Private company limited by shares | Live |
| KA WAH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TOP ENGINE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| WELL ZONE ENGINEERING LIMITED | Private company limited by shares | Live |
| TOP SOLAR ENERGY CO., LIMITED | Private company limited by shares | Live |
| RELIAMATE ENERGY LIMITED | Private company limited by shares | Live |
| BIG TEAM CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| OGV ENERGY HK LIMITED | Private company limited by shares | Live |
| NEW ABLE CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ART TOP CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| NICE SUCCESS CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| ABLE DRAGON CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| E-NEW WAVE CO., LIMITED | Private company limited by shares | Dissolved |
| MG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Sapient Enterprises Limited | Private company limited by shares | Live |
| ABP Engineering Limited | Private company limited by shares | Live |
| LUCKY CASH ENTERPRISES LIMITED | Private company limited by shares | Live |
| SHEEN SENSE ENTERPRISES LIMITED | Private company limited by shares | Live Commenced dormancy on 13-Mar-2013 |
| SUNICS ENERGY LIMITED | Private company limited by shares | Dissolved |
| S.W. ENGINEERING LIMITED | Private company limited by shares | Live |
| Hong Kong Energies Investment Limited | Private company limited by shares | Dissolved |
| Yinlun Goldbridge Clean Energy Limited | Private company limited by shares | Live |
| FULL SUCCESS ENGINEERING LIMITED | Private company limited by shares | Live |
| CENTURY FIRST ENTERPRISES LIMITED | Private company limited by shares | Live |
| FIRST HONEST ENTERPRISES LIMITED | Private company limited by shares | Live |
| Fortune Energy Investment Limited | Private company limited by shares | Live |
| Kin Yuan Engineering Limited | Private company limited by shares | Dissolved |
| Wing Join E&M Engineering Limited | Private company limited by shares | Dissolved |
| CENTURY SUN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Yee Po Engineering Limited | Private company limited by shares | Live |
| WILBUR ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Enjoy Profit Development Group Limited | Private company limited by shares | Live |
| Sky Long Engineering Company Limited | Private company limited by shares | Live |
| HK PEOPLE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| EXCELLENT CROWN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MARS ENTERPRISES LIMITED | Private company limited by shares | Live |
| PLUTO ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| TEAM TEN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| eNOBLE Limited | Private company limited by shares | Live |
| WAH KEUNG MATERIALS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CO-VICTOR ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| WORLD ENVIRONMENT & HEALTH FUNDS LIMITED | Company limited by guarantee | Live |
| Energy Select Group Limited | Private company limited by shares | Live Commenced dormancy on 03-Mar-2015 |
| Well Sense Environmental Recycling Limited | Private company limited by shares | Live |
| KONG MING ENGINEERING LIMITED | Private company limited by shares | Live |
| HAN MA ENERGY-SAVER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| YIXUAN ENGINEERING LIMITED | Private company limited by shares | Live |
| Triple Power Mechanical & Electrical Engineering Co. Limited | Private company limited by shares | Live |
| LTMEX SOLAR ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| TEXFACT ENGINEERING LIMITED | Private company limited by shares | Live |
| ASIA ENVIRONMENT SOURCING FOUNDATION LIMITED | Private company limited by shares | Dissolved |
| CHINA ENVIRONMENTAL INDUSTRY INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| LI KEUNG ENGINEERING LIMITED | Private company limited by shares | Live |
| D & W ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FAVORITE CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| TRADE REUNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| MAXWORLD ENTERPRIES GROUP LIMITED | Private company limited by shares | Dissolved |
| WARNER ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| WARNER ENTERTAINMENT GROUP LIMITED | Private company limited by shares | Live |
| SINOTECH NEW ENERGIES LIMITED | Private company limited by shares | Dissolved |
| Wonder i Engineering Limited | Private company limited by shares | Live |
| i-cooling Engineering Co., Limited | Private company limited by shares | Live |
| CHINA ENVIRONMENT INDUSTRY DEVELOPING & PROMOTION LIMITED | Private company limited by shares | Live |
| EASYRICH ENGINEERING LIMITED | Private company limited by shares | Live |
| Asia Environmental Business Consulting Limited | Private company limited by shares | Live |
| GOOD ENJOY INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| Top Ocean Enterprise Pte Limited | Private company limited by shares | Live |
| WKS ENGINEERING LIMITED | Private company limited by shares | Live |
| CLASSIC CHANNEL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| NEW ONCE ENGINEERING LIMITED | Private company limited by shares | Live |
| GRAND DELUXE ENTERPRISES LIMITED | Private company limited by shares | Live |
| NEW SUNSHINE ENERGY LIMITED | Private company limited by shares | Live |
| ENNE LIMITED | Private company limited by shares | Live |
| KB Enterprise Limited | Private company limited by shares | Live |
| SMARTECH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Environment Exchange Limited | Private company limited by shares | Live |
| FULLYEAR ENVIRONMENT TECHNOLOGY CO. LIMITED | Private company limited by shares | Dissolved |
| ASSET RICH ENGINEERING LIMITED | Private company limited by shares | Live |
| Solarfield Green Energy Limited | Private company limited by shares | Dissolved |
| GOOD CHANCE ENVIRONMENTAL HOLDING LIMITED | Private company limited by shares | Live |
| PCG Entertainment Limited | Private company limited by shares | Live |
| HILLGO ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| ENJOY INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| HOM TO ENGINEERING LIMITED | Private company limited by shares | Live |
| H.K Enedo Technology Co., Limited | Private company limited by shares | Dissolved |