| CENTURY ONE ENVIRONMENT RECYCLING LIMITED | Private company limited by shares | Dissolved |
| CHAMPION TECHNOLOGY ENVIRONMENT RECYCLING LIMITED | | Live |
| CYE REPRO ENVIRONMENT DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENT RESERVATION CONSULTING LIMITED | Private company limited by shares | Dissolved |
| CHOU PINE RESOURCE ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| China Population Resource Environment Foundation Limited | Private company limited by shares | Dissolved |
| Sun Wah Environment Resources Limited | Private company limited by shares | Live |
| EASY RING ENVIRONMENT LIMITED | Private company limited by shares | Live |
| Grand Rise Environment Recycling Limited | Private company limited by shares | Live |
| Rixi Environment Protection Hong Kong Limited | Private company limited by shares | Live |
| HK RUNDEAO ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Runtai Environment Protection International Limited | Private company limited by shares | Live |
| HEALTH SAFETY AND ENVIRONMENT WORKSHOP LIMITED | Private company limited by shares | Live |
| SAGACITY ENVIRONMENT (CHINA) LIMITED | Private company limited by shares | Live |
| SAICINA ENVIRONMENT DECORATION CO., LIMITED | Private company limited by shares | Live |
| SCENIC HILL RECREATION AND ENVIRONMENT DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SKY GLAD ENVIRONMENT SCIENCE LIMITED | Private company limited by shares | Dissolved |
| ASIA GLOBAL ENVIRONMENT SCIENCE GROUP LIMITED | Private company limited by shares | Dissolved |
| DE YOUNG ENVIRONMENT SCIENCE & TECHNOLOGY CO. LIMITED | Private company limited by shares | Dissolved |
| China Pure Environment Sci-Tech Group Limited | Private company limited by shares | Live |
| SECURED ENVIRONMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| LUK YUE ENVIRONMENT SERVICE LIMITED | Private company limited by shares | Dissolved |
| Sun Wah Environment Service Limited | Private company limited by shares | Live |
| POSH Environment Service Co. Limited | Private company limited by shares | Dissolved |
| SUN SAI KEE ENVIRONMENT SERVICES LIMITED | Private company limited by shares | Live |
| WIN HO ENVIRONMENT SERVICES LIMITED | Private company limited by shares | Live |
| Ace Environment Services Limited | Private company limited by shares | Live |
| AUTHENTIC ENVIRONMENT SERVICES LIMITED | Private company limited by shares | Dissolved |
| BEST ENVIRONMENT SERVICES LIMITED | Private company limited by shares | Live |
| CALCITE INDOOR ENVIRONMENT SERVICES LIMITED | Private company limited by shares | Live |
| CHEUK LONG ENVIRONMENT SERVICES LIMITED | Private company limited by shares | Dissolved |
| Climate and Environment Services Group (CESG) Limited | Private company limited by shares | Live |
| ENVIRONMENT TECHNOLOGY ENERGY SERVICES CO. LIMITED | Private company limited by shares | Dissolved |
| FOREVER ENVIRONMENT SERVICES CO., LIMITED | Private company limited by shares | Live |
| Good Environment Cleaning Services Limited | | Live |
| Environment & Technology Services (Hong Kong) Limited | Private company limited by shares | Live |
| HONOR ENVIRONMENT SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| MORNINGCYCLE ENVIRONMENT HYGIENE SERVICES LIMITED | Private company limited by shares | Dissolved |
| WING KAI ENVIRONMENT PROTECTION SERVICES LIMITED | Private company limited by shares | Dissolved |
| SUNRISE ENVIRONMENT SERVICES LIMITED | Private company limited by shares | Live |
| Sweng Environment Services Limited | Private company limited by shares | Live |
| TIMES ENVIRONMENT SERVICES LIMITED | Private company limited by shares | Live |
| UNIVERSAL ENVIRONMENT CLEANING SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| Wise Environment Services Limited | Private company limited by shares | Live |
| HOI SHAN ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| DSG Environment Shandong Limited | Private company limited by shares | Live |
| AI SHANG ENVIRONMENT DESIGN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI ENVIRONMENT GROUP COMPANY LIMITED | Private company limited by shares | Live |
| Shanghai Yangtze River Delta Water Environment Investment Fund Limited | Private company limited by shares | Live |
| CHUNLAN (CHINA) ENVIRONMENT ELECTRIC SHARE LIMITED | Private company limited by shares | Live |
| CHINA ECOLOGICAL ENVIRONMENT SHARE CO., LIMITED | Private company limited by shares | Live |
| YIK SHING ENVIRONMENT ARRANGEMENT PERISH LIMITED | Private company limited by shares | Live |
| FU SHING ENVIRONMENT RECYCLES LIMITED | Private company limited by shares | Live |
| MING SING ENVIRONMENT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WO SING ENVIRONMENT RECYCLING CO., LIMITED | Private company limited by shares | Live |
| Smart Environment Limited | Private company limited by shares | Dissolved |
| SOCIAL ENVIRONMENT LIMITED | Private company limited by shares | Live Ceased dormancy on 25-Apr-2014 |
| HK HONGJIACHANG ENERGY SOURCES ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| DRAGON SPRING ENVIRONMENT (HK) COMPANY LIMITED | Private company limited by shares | Live |
| Dragon Star Environment Limited | | Live |
| Green Star Environment Service Limited | Private company limited by shares | Dissolved |
| STIG ENVIRONMENT & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SUYUAN ENVIRONMENT ART DESIGN STUDIO CO., LIMITED | Private company limited by shares | Live |
| New Summit Environment Protection Technology Limited | Private company limited by shares | Live |
| SINGAPORE SUNTECH ENVIRONMENT SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SUNWAY ENVIRONMENT CO., LIMITED | Private company limited by shares | Dissolved |
| TSING YI FACTORIES' ENVIRONMENT SUPERVISORY ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| SURE WON ENVIRONMENT GROUP LIMITED | Private company limited by shares | Live |
| Veritas Aeterna Environment Sustainability Consultant Limited | Private company limited by shares | Dissolved |
| FMG Office Environment System Limited | Private company limited by shares | Dissolved |
| TALIWORKS ENVIRONMENT LIMITED | Private company limited by shares | Live |
| TEADA ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BSY ENVIRONMENT TECH. CO. PTE LIMITED | Private company limited by shares | Dissolved |
| HK CHUNG NAM ENVIRONMENT TECH LIMITED | Private company limited by shares | Live |
| G-POWER Environment Tech. Limited | Private company limited by shares | Live |
| SIIC Environment Tech (Hong Kong) Limited | Private company limited by shares | Live |
| China Scientific Environment Technical Limited | Private company limited by shares | Live |
| GREEN GOING ENVIRONMENT TECHNICAL LIMITED | Private company limited by shares | Live |
| GREEN GOING ENVIRONMENT TECHNICAL SERVICES LIMITED | Private company limited by shares | Live |
| TWT ENVIRONMENT PROTECTION TECHNICAL (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| MAN PO ENVIRONMENT TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| ZHANGJIAGANG CLEAN ENVIRONMENT TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| ENVIRONMENT TECHNOLOGIES & ENGINEERING SERVICE CO., LIMITED | Private company limited by shares | Live |
| ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| MAN Technology Environment Company Limited | Private company limited by shares | Dissolved |
| ECO ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LU BIK ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK SYX ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Xin Yue Technology Environment Limited | Private company limited by shares | Live |
| Canves Environment Technology Company Limited | Private company limited by shares | Live |
| CENTRAL ENVIRONMENT TECHNOLOGY (CHINA) CO., LIMITED | Private company limited by shares | Live |
| CHANGJIANG ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| China Greenpure Environment Technology Group Limited | Private company limited by shares | Live |
| CHINA ENVIRONMENT TECHNOLOGY GROUP LIMITED | Private company limited by shares | Dissolved |
| CHINA ENVIRONMENT TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENT TECHNOLOGY INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| CHUNG KONG ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Dadi Ecological Environment Technology Limited | Private company limited by shares | Live |
| XINFEI ENVIRONMENT ELECTRICAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| FLOURISH TECHNOLOGY ENVIRONMENT ENERGY SAVING LIMITED | Private company limited by shares | Live |