| BONNIE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| HONGKONG ENJOY IMP&EXP CO., LIMITED | Private company limited by shares | Live |
| ENVIROSAX CHINA LIMITED | Private company limited by shares | Live |
| BIG ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| KUMA ENERGY INDUSTRIAL CO. LIMITED | Private company limited by shares | Dissolved |
| SUN YEUNG ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| Good enjoy (International) Health Management Group Limited | Private company limited by shares | Live |
| V Energy Limited | Private company limited by shares | Live |
| GL ENTERPRISE LIMITED | Private company limited by shares | Live |
| INSMART DESIGN & ENGINEERING LIMITED | Private company limited by shares | Live |
| Rich Build Construction Engineering Limited | Private company limited by shares | Live |
| Summit Engineering Limited | Private company limited by shares | Live |
| FIRST ENERGY POWER CO., LIMITED | Private company limited by shares | Live |
| Enko Yama Limited | Private company limited by shares | Live |
| PJ Energy Service Limited | Private company limited by shares | Live |
| YOK ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| PETRA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Global Envirotech Hong Kong Co., Limited | Private company limited by shares | Live |
| TUNG YIK ENGINEERING LIMITED | Private company limited by shares | Live |
| AKIRA ENERGY LIMITED | Private company limited by shares | Live |
| MILLION LEGEND ENGINEERING LIMITED | Private company limited by shares | Live |
| Afy Engineering Limited | Private company limited by shares | Live |
| SUNNY POWER ENGINEERING LIMITED | Private company limited by shares | Live |
| Samco Energy Company Limited | Private company limited by shares | Live |
| A Plus Jolly English Limited | Private company limited by shares | Live |
| IMBS ENTERPRISE LIMITED | Private company limited by shares | Live |
| LAPSON AIR CONDITION ENGINEERING LIMITED | Private company limited by shares | Live |
| ASIA TEAM ENGINEERING(HK) LIMITED | Private company limited by shares | Live |
| YAU YAT ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Enrgo Limited | Private company limited by shares | Dissolved |
| Envy Promotional Limited | Private company limited by shares | Live |
| Excel Machinery Engineering Limited | Private company limited by shares | Live |
| Envision Energy Smart Software Limited | Private company limited by shares | Live |
| Envision Energy Software Solution Limited | Private company limited by shares | Live |
| GRAND CREEK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Monteth Environmental Equipment Co., Limited | Private company limited by shares | Live |
| Greenman Enterprise Limited | Private company limited by shares | Live |
| ROYAL ENGINEERING LIMITED | Private company limited by shares | Live |
| DONG HUA RICHNESS ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| METRO GOOD ENGINEERING LIMITED | Private company limited by shares | Live |
| GRAND RAY ENGINEERING LIMITED | Private company limited by shares | Live |
| PAK YIU ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| QB Enterprises Limited | Private company limited by shares | Live |
| NINO STAR ENGINEERING LIMITED | Private company limited by shares | Live |
| YI RI XIN ENVIRONMENTAL PROTECTION EQUIPMENT HONGKONG CO., LIMITED | Private company limited by shares | Live |
| H & D Engineering Limited | Private company limited by shares | Live |
| China Energy (Yellow River) Limited | Private company limited by shares | Live |
| China Energy (Enterprise) Limited | Private company limited by shares | Live |
| Yushun Environmental Protection S&T Co., Limited | Private company limited by shares | Live |
| GLOBAL LOGIC ENTERPRISES LIMITED | Private company limited by shares | Live |
| PAIDE ENERGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Shenzhen Ouya New Energy Co., Limited | Private company limited by shares | Dissolved |
| G-MARK ENGINEERING LIMITED | Private company limited by shares | Live |
| PROMAX LINK ENTERPRISE LIMITED | Private company limited by shares | Live |
| VAST TEAM ENTERPRISE LIMITED | Private company limited by shares | Live |
| WAH HAY ENTERPRISE LIMITED | Private company limited by shares | Live |
| Diligent Electrical Engineering Company Limited | Private company limited by shares | Live |
| ELITE JOYFUL ENGINEERING LIMITED | Private company limited by shares | Live |
| MALONEY ENGINEERING LIMITED | Private company limited by shares | Live |
| WING KIN ENGINEERING LIMITED | Private company limited by shares | Live |
| ENOCH ELEC(INT'L)CO., LIMITED | Private company limited by shares | Live |
| FIRETEC ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| NEW SKY ENERGY GROUP LIMITED | Private company limited by shares | Live |
| MEGA GRAND ENTERPRISE LIMITED | Private company limited by shares | Live |
| FAST VIEW ENTERPRISE LIMITED | Private company limited by shares | Live |
| NICE SUCCESS ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| GRAND SILVER ENTERPRISE LIMITED | Private company limited by shares | Live |
| CREATIVE POWER ENTERPRISE LIMITED | Private company limited by shares | Live |
| TIMEWAY ENTERPRISE LIMITED | Private company limited by shares | Live |
| DRAGON GRACE ENTERPRISE LIMITED | Private company limited by shares | Live |
| FAME NICE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| VICTORY CHAMPION ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HANKO ENGINEERING LIMITED | Private company limited by shares | Live |
| Koon Kwan Energy Limited | Private company limited by shares | Live |
| YOULIN ENVIRONMENT PROTECTION (HK) LIMITED | Private company limited by shares | Live |
| E.NEIL FRANCE FASHION LIMITED | Private company limited by shares | Live |
| HK CLEAN ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| WAILEY ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| GCL New Energy Trading Limited | Private company limited by shares | Live |
| DSI ENGINEERING LIMITED | Private company limited by shares | Live |
| ENSPIRE TECHNOLOGY (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| HTE ENTERPRISES LIMITED | Private company limited by shares | Live |
| KORNWAY ENGINEERING LIMITED | Private company limited by shares | Live |
| LONG GLORY ENGINEERING LIMITED | Private company limited by shares | Live |
| GEN Entertainment Limited | Private company limited by shares | Live |
| LEDTron Energy Saving Limited | Private company limited by shares | Live |
| OCEAN RICH ENGINEERING LIMITED | Private company limited by shares | Live |
| FORTUNE SIGN ENGINEERING LIMITED | Private company limited by shares | Live |
| RICH FULL ENGINEERING LIMITED | Private company limited by shares | Live |
| REACH RICH ENGINEERING LIMITED | Private company limited by shares | Live |
| ROTHSCHILD ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| SMARTFIELD ENGINEERING LIMITED | Private company limited by shares | Live |
| Commended Engineering Limited | Private company limited by shares | Live |
| H&M ENTERPRISE LIMITED | Private company limited by shares | Live |
| HongKong Enjoy Technology Co., Limited | Private company limited by shares | Live |
| NIKO AV ENGINEERING LIMITED | Private company limited by shares | Live |
| XINYUAN ENVIRONMENTAL HK LIMITED | Private company limited by shares | Live |
| Sunrise Marine & Offshore Engineering Company Limited | Private company limited by shares | Live |
| Natural Environment Trade Limited -The- | Private company limited by shares | Live |
| ENTER ENTERTAINMENT LIMITED | Private company limited by shares | Live |