| Enhance International Education Group Co., Limited | Private company limited by shares | Dissolved |
| ONE ENVIRONMENT HOLDINGS COMPANY LIMITED -THE- | Private company limited by shares | Live |
| YAU WING CONSTRUCTION & ENGINEERING LIMITED | Private company limited by shares | Live |
| ASIA POWERFUL ENGINE GROUP CO., LIMITED | Private company limited by shares | Live |
| DEUTSCH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHINA NEW ENERGY INNOVATION PROMOTION ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| KWUN TUNG MACHINERY ENGINEERING LIMITED | Private company limited by shares | Live |
| WING FAT ENGINEERING CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| WING FAT ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ALLIED TRADE ENTERPRISES LIMITED | Private company limited by shares | Live |
| KONE ENGINEERING & CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| Strategic Energy Audits Limited | Private company limited by shares | Dissolved |
| ENGCHOW EDUCATION CORPORATION (HK) LIMITED | Private company limited by shares | Dissolved |
| Wang Fu Engineering & Construction Limited | Private company limited by shares | Live |
| ALPINE DESIGN & ENGINEERING LIMITED | Private company limited by shares | Live |
| MAX ERA ENTERPRISES LIMITED | Private company limited by shares | Live |
| Viesta Environmental Engineering Co. Limited | Private company limited by shares | Live |
| Ansty Engineering Consulting Limited | Private company limited by shares | Dissolved |
| K2 Energy Hong Kong Limited | Private company limited by shares | Live |
| LITZ ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| GUO CHUANG ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| COMPANION ENG. CO., LIMITED | Private company limited by shares | Live |
| WING TAI ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW DYNASTY ENERGY & MINERAL RESOURCES GROUP LIMITED | Private company limited by shares | Live |
| WANG YIP ELECTRICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| JINXIUTIAN (HK) ENVIRONMENT ART ENGINEERING LIMITED | Private company limited by shares | Live |
| ENDURANCE INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| Energy Beauty Limited | Private company limited by shares | Live |
| MATRIX ENGINEERING LIMITED | Private company limited by shares | Live |
| WAI NGAI ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SCION ENERGY LIMITED | Private company limited by shares | Live |
| OCEAN TREASURE ENTERPRISES LIMITED | Private company limited by shares | Live |
| FIRST SUCCESS ENTERPRISES LIMITED | Private company limited by shares | Live |
| ENCHOR (HK) IMPORT AND EXPORT CO., LIMITED | Private company limited by shares | Live |
| KAI MIN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FU CHI TECH ENGINEERING LIMITED | Private company limited by shares | Live |
| NEWUNION ENTERPRISES LIMITED | Private company limited by shares | Live |
| Teamway Engineering Limited | Private company limited by shares | Dissolved |
| TME ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| XIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WAH YUEN ENTERPRISES LIMITED | Private company limited by shares | Live |
| BIG VIEW ENTERPRISES LIMITED | Private company limited by shares | Live |
| FLEXTECH ENVIRONMENTAL PROTECTION TECH (HK) LIMITED | Private company limited by shares | Live |
| W&M ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CHINA FUTURE ENERGY LIMITED | Private company limited by shares | Live |
| GOLDMARK ENGINEERING LIMITED | Private company limited by shares | Live |
| Nam Yang Engineering Limited | Private company limited by shares | Live |
| FOSTER ENGINEERING (ASIA) LIMITED | Private company limited by shares | Live |
| CL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| RICHSINO ENGINEERING LIMITED | Private company limited by shares | Live |
| SMARTWELL ENGINEERING LIMITED | Private company limited by shares | Live |
| TOP SUCCESS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WELLBO ENTERPRISES LIMITED | Private company limited by shares | Live |
| LEE BROTHERS ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| GEOPOOL ENGINEERING MATERIALS CO., LIMITED | Private company limited by shares | Live |
| CHUNG YUE ENGINEERING & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| U.S.A ASIA ENERGY CO., LIMITED | Private company limited by shares | Live |
| JOINMAX ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENERGY TEC LIMITED | Private company limited by shares | Live |
| DIKE ENERGY LIMITED | Private company limited by shares | Live |
| TIME WATCH ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| KKE ENTERPRISES INC LIMITED | Private company limited by shares | Dissolved |
| Y ENERGY LIMITED | Private company limited by shares | Live |
| FIRST DIRECT ENTERPRISES LIMITED | Private company limited by shares | Live |
| SILK ENERGY LIMITED | Private company limited by shares | Dissolved |
| NICE TIME ENTERPRISES LIMITED | Private company limited by shares | Live |
| FOOK CHONG ENGINEERING LIMITED | Private company limited by shares | Live |
| Kin Yu Engineering Limited | Private company limited by shares | Live |
| BEST VIEW ENGINEERING LIMITED | Private company limited by shares | Live |
| DMZ ENTERPRISE LIMITED | Private company limited by shares | Live |
| LONGWICK CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ENJOY LIFE LIMITED | Private company limited by shares | Live |
| WELLY ENGINEERING LIMITED | Private company limited by shares | Live |
| WEALTH GRACE ENTERPRISE LIMITED | Private company limited by shares | Live |
| EXCEL HILL ENGINEERING LIMITED | Private company limited by shares | Live |
| Bear Bright Environmental Technology Co. Limited | Private company limited by shares | Live |
| YUET HO ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| JG Environmental (HK) Technology Limited | Private company limited by shares | Live |
| Entrust Group Limited | Private company limited by shares | Live |
| JIANYU MECHANICAL ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| IMS ENTERPRISES LIMITED | Private company limited by shares | Live |
| MAN KEE MECHANIC & ENGINEERING LIMITED | Private company limited by shares | Live |
| C1 Enterprise Limited | Private company limited by shares | Live |
| MABO ENGINEERING LIMITED | Private company limited by shares | Live |
| ENJOY CORPORATION LIMITED | Private company limited by shares | Live |
| ANS Solves Endeavors Limited | Private company limited by shares | Dissolved |
| Entrepreneurs-net.com Limited | Private company limited by shares | Dissolved |
| Zhonghe Energy Resources (Hong Kong) Limited | Private company limited by shares | Live |
| WEALTH PLUS ENGINEERING LIMITED | Private company limited by shares | Live |
| CP ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| CHAMPION ENERGY LIMITED | Private company limited by shares | Live |
| B. T. W. Enterprise Limited | Private company limited by shares | Live |
| WELL DRAGON CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SAKURA SOLAR ENERGY GROUP LIMITED | Private company limited by shares | Dissolved |
| ENERGY PRO LIMITED | Private company limited by shares | Live |
| NARA ENERGY MATERIALS LIMITED | Private company limited by shares | Live |
| CHINEECORP CONSTRUCTION & ENGINEERING LIMITED | Private company limited by shares | Live |
| VIRIDIS ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GROWSTAR ENGINEERING LIMITED | Private company limited by shares | Live |
| Fullerton Architecture Engineering Limited | Private company limited by shares | Live |