| T&W ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| FUJIAN LONGXI DIESEL ENGINE SHARE LIMITED | Private company limited by shares | Live |
| REALWAY ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| QUALY ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| FANGHAI ENVIRONMENTAL PROTECTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| KIN WAN ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHINA SENSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FIRST STAR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CYBERPORT ENTERPRISES LIMITED | Private company limited by shares | Live |
| JB Engineering And Construction Limited | Private company limited by shares | Dissolved |
| PACIFIC ENERGY MARINE TRANSPORT LIMITED | Private company limited by shares | Live |
| Green Environmental Investment (Hong Kong) Limited | Private company limited by shares | Dissolved |
| BRIGHTEN AIR-CONDITION & ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Ethico Energy Solutions Company Limited | Private company limited by shares | Dissolved |
| SUN YIM KEE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Baosheng Machinery & Engineering Co. Limited | Private company limited by shares | Live |
| YAO HUA ENVIRONMENTAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| China Everbright Biomass Energy Investment Limited | Private company limited by shares | Live |
| H & H Environmental Technology Limited | Private company limited by shares | Dissolved |
| NEW OCEAN ENGINEERING LIMITED | Private company limited by shares | Live |
| TOP FLOOR ENGINEERING LIMITED | Private company limited by shares | Live |
| HONGKONG ENGINE ACCESSORIES TRADING LIMITED | Private company limited by shares | Dissolved |
| CHINA EXCELLENT ENTREPRENEURS ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| S & L ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HARMONY ENERGY LIMITED | Private company limited by shares | Live |
| S.L. ENGINEERING & TRADING LIMITED | Private company limited by shares | Live |
| ENERGY SMART LIMITED | Private company limited by shares | Dissolved |
| ENHANCE INTERNATIONAL INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| XKD ENTERPRISES LIMITED | Private company limited by shares | Live |
| PRINCESS WEAR ENTERPRISES LIMITED | Private company limited by shares | Live |
| Envi-Plus Co., Limited | Private company limited by shares | Live |
| HURRAY ENVIRONMENTAL PROTECTION PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| BFL ENGINEERING LIMITED | Private company limited by shares | Live |
| EIWA ENVIRONMENT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| PARADO ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| HMH ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| PURE ENGENUITY LIMITED | Private company limited by shares | Dissolved |
| Online English Experiences Limited | Private company limited by shares | Dissolved |
| MI Engineering Co. Limited | Private company limited by shares | Live |
| AK ENGINEERING GEOLOGY & GEOTECHNICS LIMITED | Private company limited by shares | Dissolved |
| ENGLAND WEIGANG INT'L GROUP INVESTMENT SHARE LIMITED | Private company limited by shares | Live |
| CHOW'S ENGINEERING & MAINTENANCE COMPANY LIMITED | Private company limited by shares | Live |
| WING TAI FORDA ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| GENUINE ENGINEERING SOLUTIONS LIMITED | Private company limited by shares | Live |
| CHINA POWER CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| SHUI HEI ENTERPRISE LIMITED | Private company limited by shares | Live |
| DRAGON ELITE ENTERPRISES LIMITED | Private company limited by shares | Live |
| RICH DRAGON ENGINEERING LIMITED | Private company limited by shares | Live |
| STANDARD SAFETY ENGINEERING LIMITED | Private company limited by shares | Live |
| MEGA HARVEST ENGINEERING LIMITED | Private company limited by shares | Live |
| KINGWAY ENGINEERING INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| CHEUK WAH ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| INTEGRATED ENGINEERING TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| DYNAGREEN ENVIRONMENT INVESTMENT (DUCHANG) LIMITED | Private company limited by shares | Live |
| WELL TREASURE ENGINEERING LIMITED | Private company limited by shares | Live |
| ROC PETROLEUM ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| STAR ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| CEE Energy Investments Limited | Private company limited by shares | Live |
| BRIGHTEN ENERGY LIMITED | Private company limited by shares | Dissolved |
| IMax Construction Engineering Limited | Private company limited by shares | Dissolved |
| MASS ENERGY LIMITED | Private company limited by shares | Live |
| HEI-WILLIE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Long Sheng Engineering Co. Limited | Private company limited by shares | Live |
| NEWSCOP TECHNOLOGY ENERGY LIMITED | Private company limited by shares | Live |
| WAH FAI ENVIRONMENT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WING FAT MARBLE ENGINEERING LIMITED | Private company limited by shares | Live |
| FOCUS ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| Milestone (Asia) Engineering Limited | Private company limited by shares | Live |
| TIN HING ENGINEERING LIMITED | Private company limited by shares | Live |
| Technology & Engineering Limited | Private company limited by shares | Live |
| Environmental Investment Limited | Private company limited by shares | Live |
| MAINCORP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SKOC Environment And Management Technology Limited | Private company limited by shares | Live |
| NCS ENERGY LIMITED | Private company limited by shares | Dissolved |
| CHINA ENVIRONMENTAL PROTECTION & DEV. INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GUANGZHOU ENGATE MECHANICAL LIMITED | Company limited by guarantee | Dissolved |
| CHINA ENVIRONMENTAL & NEW ENERGY INDUSTRIAL GROUP LIMITED | Private company limited by shares | Live |
| KINGSTON DESIGN & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| KINWICK ENTERPRISES LIMITED | Private company limited by shares | Live |
| ENVIRONMENT TECHNOLOGY ENGINEERING LIMITED | Private company limited by shares | Live |
| CHENG YI ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ENJOY STATIONERY CO., LIMITED | Private company limited by shares | Dissolved |
| VAST POWER ENERGY LIMITED | Private company limited by shares | Dissolved |
| YONG MING ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| KONGWELL ENTERPRISE LIMITED | Private company limited by shares | Live |
| SUN YEUNG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Petra Engineering Limited | Private company limited by shares | Dissolved |
| O & P ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHINA OIL AND GAS ENERGY LIMITED | Private company limited by shares | Live |
| ETERNAL SKY ENGINEERING LIMITED | Private company limited by shares | Live |
| AEC ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SUBTLE ENERGIES LIMITED | Private company limited by shares | Live |
| Cheung's Engineering Limited | Private company limited by shares | Live |
| ALE ENTERPRISE LIMITED | Private company limited by shares | Live |
| HK Energy Gap Management Limited | Private company limited by shares | Live |
| KIN SAM ENGINEERING LIMITED | Private company limited by shares | Live |
| TOP CENTURY ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| VDC ENGINEERING LIMITED | Private company limited by shares | Live |
| TEXHONG ENVIRONMENTAL PROTECTION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TAI FUNG ENVIRONMENTAL RECYCLING COMPANY LIMITED | Private company limited by shares | Live |