| TIENSUN ENGINEERING LIMITED | Private company limited by shares | Live |
| T&S Enterprises Limited | Private company limited by shares | Live |
| MGC ENERGY CO., LIMITED | Private company limited by shares | Live |
| TODAY ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| YING PO ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CENTURY ONE ENVIRONMENT RECYCLING LIMITED | Private company limited by shares | Dissolved |
| Solibra (China) Solar Power Engineering Company Limited | Private company limited by shares | Dissolved |
| RED HILL ENGINEERING AND MACHINERY CO., LIMITED | Private company limited by shares | Live |
| Dragon Palace Enterprise Limited | Private company limited by shares | Live |
| MANSING ENGINEERING LIMITED | Private company limited by shares | Live |
| TELFORD REFRIGERATION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| BLOOM ENERGY LIMITED | Private company limited by shares | Dissolved |
| GOETHE Environmental Consultancy Company Limited | Private company limited by shares | Live |
| POWERSOURCE ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHINA NEW MODEL HIGH TECHNOLOGY NEW ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| ENDA SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| WM SOCIAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| SURE MILLIONS ENGINEERING LIMITED | Private company limited by shares | Live |
| CORONA ENVIRONMENT LIMITED | Private company limited by shares | Live |
| GUANGDONG OLI ENERGY LIMITED | Private company limited by shares | Dissolved |
| TES ENTERPRISE LIMITED | Private company limited by shares | Live |
| Solard Engineering Group Limited | Private company limited by shares | Live |
| GEGT-Green Energy Global Technologies Limited | Private company limited by shares | Live |
| FULL WAI ENGINEERING LIMITED | Private company limited by shares | Live |
| ABLE GRACE ENGINEERING LIMITED | Private company limited by shares | Live |
| NICE HILL ENGINEERING LIMITED | Private company limited by shares | Live |
| SAINT DRAGON ENGINEERING LIMITED | Private company limited by shares | Live |
| WU LIK ENGINEERING LIMITED | Private company limited by shares | Live |
| L & RH Engineering Limited | Private company limited by shares | Dissolved |
| H.K MEITIAN INT'L ENVIRONMENT TECHNOLOGY GROUP LIMITED | Private company limited by shares | Dissolved |
| DAIICHI ENGINEERING LIMITED | Private company limited by shares | Live |
| ENTERTOYMENT LIMITED | Private company limited by shares | Live |
| E-NEW GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| GLOBAL ENTRANCE LIMITED | Private company limited by shares | Live |
| SKY HONOR ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENWAVE OPTRONICS TECHNOLOGY (HONGKONG) CO. LIMITED | Private company limited by shares | Live |
| RENEWALABLE ENERGY SOLUTION CO., LIMITED | Private company limited by shares | Live |
| ENRICH MARGIN LIMITED | Private company limited by shares | Dissolved |
| TRON ENERGY LIMITED | Private company limited by shares | Dissolved |
| NEW WAY ENTERPRISES LIMITED | Private company limited by shares | Live |
| FOREST ENERGY LIMITED | Private company limited by shares | Dissolved |
| GJN ENGINEERING LIMITED | Private company limited by shares | Live |
| SQMH (HK) ENVIRONMENT ART ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| POSH ENERGY GROUP LIMITED | Private company limited by shares | Live |
| Construction and Engineering (Hong Kong) Group Limited | Private company limited by shares | Dissolved |
| ASIAN ENTREPRENEURS ASSOCIATION LIMITED | Private company limited by shares | Live |
| Creative Investment Enterprise Limited | Private company limited by shares | Live Ceased dormancy on 12-Nov-2013 |
| M & C ENGINEERING CO LIMITED | Private company limited by shares | Live |
| FAST WELL CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KINWICK ENGINEERING LIMITED | Private company limited by shares | Live |
| TOP LINK ALUMINUM ENGINEERING LIMITED | Private company limited by shares | Live |
| Team Specialty Engineering Limited | Private company limited by shares | Live Commenced dormancy on 07-Jan-2016 |
| R & J Energy Management Limited | Private company limited by shares | Live |
| TRADE GREEN ENTERPRISE LIMITED | Private company limited by shares | Live |
| Polygon Design & Engineering Limited | Private company limited by shares | Live |
| TAC ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| JIANENG ENERGY TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Jade Environmental Protection Technology Limited | Private company limited by shares | Live |
| WORLD ENVIRONMENT PROTECTION (GUANGDONG CHINA) ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| ENTASTE LIMITED | Private company limited by shares | Live |
| ENJOY NOW LIMITED | Private company limited by shares | Live |
| ITALIAN SOLAR ENERGY HONG KONG LIMITED | Private company limited by shares | Live |
| JR Engineering Consulting Limited | Private company limited by shares | Live |
| Pro-Fine Telecommunications Engineering Limited | Private company limited by shares | Live |
| WORLD ENVIRONMENT PROTECTION (YUNAN CHINA) ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| FIRST CLASS ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| KOTEC ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LANTO ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sam Woo Engineering (Asia) Limited | Private company limited by shares | Live |
| NEW ENERGY RESOURCES LIMITED | Private company limited by shares | Live |
| Enoteca Group Management Limited | Private company limited by shares | Live |
| GOLDWELL CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| LP Engineering HK Co. Limited | Private company limited by shares | Live |
| ENGAGE INTERACTIVE AGENCY LIMITED | Private company limited by shares | Live |
| SAI HING ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| ENGLAND GENTLEMAN INTERNATIONAL HEALTH INDUSTRY GROUP LIMITED | Private company limited by shares | Live |
| ENTOPS LIMITED | Private company limited by shares | Dissolved |
| DRAGON GRACE ENTERPRISES LIMITED | Private company limited by shares | Live |
| JA ENERGY CO., LIMITED | Private company limited by shares | Live |
| ENVISE AVIDITY LIMITED | Private company limited by shares | Live |
| ENVISE ARDOR LIMITED | Private company limited by shares | Live |
| SUNKITS ENERGY AND EPC LIMITED | Private company limited by shares | Dissolved |
| ENVISE ARDENT LIMITED | Private company limited by shares | Live |
| LISO ENTERPRISES CO., LIMITED | Private company limited by shares | Live |
| LUNG KEE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| GLORY ENERGY GROUP LIMITED | Private company limited by shares | Live |
| SHENZHEN SUN ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LOONG'S ENGINEERING CONSULTANCY AND CONSTRUCTION CO. LIMITED | Private company limited by shares | Live |
| WING LEE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAN LEE ON ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| JOY MARK ENTERPRISES LIMITED | Private company limited by shares | Live |
| POWER CREATIVE ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUNG TAI NEW ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| JOY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PAC Energy Group Holding Limited | Private company limited by shares | Dissolved |
| SI Energy Company Limited | Private company limited by shares | Live |
| C & T ENGINEERING LIMITED | Private company limited by shares | Live |
| Enkonn Technology Co., Limited | Private company limited by shares | Live |
| ENN Energy China Investment Limited | Private company limited by shares | Live |
| Build Well Marble Engineering Company Limited | Private company limited by shares | Live |