| CHIU FAT ENTERPRISES LIMITED | Private company limited by shares | Live |
| All Around Garden Engineering Co. Limited | Private company limited by shares | Live |
| S & S Engineering Company Limited | Private company limited by shares | Live |
| SKY TEAM GROUP ENTERPRISE LIMITED | Private company limited by shares | Live |
| SERAMEK ENGINEERING INDUSTRY TRADING LIMITED | Private company limited by shares | Live |
| PS. ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| WIN DRAGON ENGINEERING LIMITED | Private company limited by shares | Live |
| DRAGON WISE ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENT RESEARCH & DEVELOPMENT LIMITED | Private company limited by shares | Live |
| YIM KEE ENGINEERING LIMITED | Private company limited by shares | Live |
| GOLDARE ENGINEERING LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL AND ENERGY INDUSTRY LIMITED | Private company limited by shares | Live |
| Audio Way AV Engineering Co Limited | Private company limited by shares | Live |
| UC ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HOI WANG METAL SCAFFOLDING ENGINEERING LIMITED | Private company limited by shares | Live |
| ORBRUT ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Ensyn Limited | Private company limited by shares | Live |
| ENJOY PROMO GIFTS LIMITED | Private company limited by shares | Live |
| ENTAILAI TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| GLOBAL SUSTAINABILITY ENGINE LIMITED | Company limited by guarantee | Live |
| AKC Engineering Co. Limited | Private company limited by shares | Live |
| MAIYA ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| KAISUN ENERGY LOGISTIC LIMITED | Private company limited by shares | Live |
| CHINAREN ENGINEERING LIMITED | Private company limited by shares | Live |
| ALTON ENTERPRISES LIMITED | Private company limited by shares | Live |
| SERENITY BIOMEDICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Excellence Integrated Engineering Company Limited | Private company limited by shares | Live |
| SIU KI ENGINEERING CO LIMITED | Private company limited by shares | Live |
| GOOD VIEW ENGINEERING (ASIA) LIMITED | Private company limited by shares | Live |
| AQUAGENA ENVIRONMENTAL EQUIPMENT (HK) LIMITED | Private company limited by shares | Live |
| LIFESTYLE ENGINEERING LIMITED | Private company limited by shares | Live |
| TECHNOHEAT GLOBAL ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW MORGAN ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| Milestone Eastern European Energy Limited | Private company limited by shares | Live |
| MEGA RISE ENGINEERING LIMITED | Private company limited by shares | Live |
| Clean Air Environmental Technology Limited | Private company limited by shares | Live |
| LETSTRONG ENTERPRISE LIMITED | Private company limited by shares | Live |
| SKY TRILLION ENGINEERING LIMITED | Private company limited by shares | Live |
| Asia Strategic Growth Enterprises Limited | Private company limited by shares | Live |
| Y&S Enterprise Company Limited | Private company limited by shares | Live |
| SMART DRAGON CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| WELL SUCCESS CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| FERTILE VIEW ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINOPIER ENGINEERING&CONSULTING LIMITED | Private company limited by shares | Live |
| DGN ENTERPRISES LIMITED | Private company limited by shares | Live |
| TS Energy Group Limited | Private company limited by shares | Live |
| TAIHUA NEW ENERGY LIMITED | Private company limited by shares | Live |
| KEI ON ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| KIM MAX ENTERPRISE LIMITED | Private company limited by shares | Live |
| LED ENGINE OPTOELECTRONICS LIMITED | Private company limited by shares | Live |
| THAT'S ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| Enjoy Home and Fashions Limited | Private company limited by shares | Live |
| ENERSOLUTIO LIMITED | Private company limited by shares | Live |
| UNLEASH ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| DH METAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Chi Kit Engineering Co., Limited | Private company limited by shares | Live |
| San Ming Engineering Company Limited | Private company limited by shares | Live |
| Hawco Enterprise & Investment Limited | Private company limited by shares | Dissolved |
| KINLAND ENGINEERING LIMITED | Private company limited by shares | Live |
| F & S ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SAN JIA ENTERPRISE LIMITED | Private company limited by shares | Live |
| Cobalt Engineering and Energy Limited | Private company limited by shares | Live |
| Deo Environmental Protection Co., Limited | Private company limited by shares | Live |
| WAY LEE SCAFFOLDING ENGINEERING LIMITED | Private company limited by shares | Live |
| MODERN CENTURY ENTERPRISES LIMITED | Private company limited by shares | Live |
| ACKA CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ENJOY SUCCESS LIMITED | Private company limited by shares | Live |
| MAGIC TIME ENGINEERING LIMITED | Private company limited by shares | Live |
| MARBLE ENGINEERING LIMITED | Private company limited by shares | Live |
| NANO ENGINEERING LIMITED | Private company limited by shares | Live |
| ON PO WAH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JEROKING ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| Chong's Fai & Yau Engineering (Hong Kong) Limited | Private company limited by shares | Live |
| BLUEOCEAN CLEAN ENERGY CO., LIMITED | Private company limited by shares | Live |
| XIN RI ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| ENKOR TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| TEAM WISE ENTERPRISE LIMITED | Private company limited by shares | Live |
| GLOBAL ENDEAVOR LIMITED | Private company limited by shares | Live |
| WAI KIN ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| ASIA AMERICA ENERGY LIMITED | Private company limited by shares | Live |
| New Trillion Environmental Limited | Private company limited by shares | Live |
| CABEST ENGINEERING LIMITED | Private company limited by shares | Live |
| GERMANY BEIER THERMAL ENERGY TECHNOLOGY SHARES LIMITED | Private company limited by shares | Live |
| ASIA ENGINEERING CONSULTING LIMITED | Private company limited by shares | Live |
| BAOZE ENERGY LIMITED | Private company limited by shares | Live |
| BIU KEE CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Envary Limited | Private company limited by shares | Live |
| E. TECH ENVIRONMENTAL CO LIMITED | Private company limited by shares | Dissolved |
| GOOD CHOICE ENTERPRISES LIMITED | Private company limited by shares | Live |
| MH Enterprises Limited | Private company limited by shares | Live |
| Yuan Xin Environmental Protection Ceramics Co., Limited | Private company limited by shares | Live |
| WELO ENTERPRISE CO. LIMITED | Private company limited by shares | Dissolved |
| PAZ ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| YEUNG'S ENGINEERING & MACHINERY LIMITED | Private company limited by shares | Live |
| HING TAI IRON ENGINEERING LIMITED | Private company limited by shares | Live |
| SMART POWER ENGINEERING LIMITED | Private company limited by shares | Live |
| ENERLOG CO., LIMITED | Private company limited by shares | Live |
| P&T ENERGY LIMITED | Private company limited by shares | Live |
| AGNES DESIGN AND ENGINEERING LIMITED | Private company limited by shares | Live |
| SIN POWER ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |