| REALLY ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SUN RIVER ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MEI RONG ENVIRONMENTAL ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| KAM SHAN ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JIN SHAN ENVIRONMENTAL ENGINEERING (ASIA) HOLDING LIMITED | Private company limited by shares | Dissolved |
| Shanghai Allgreen Environmental Engineering Co., Limited | Private company limited by shares | Dissolved |
| SILVER ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Live |
| FAST SMART ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Stars Environmental Engineering Company Limited | | Live |
| SUNNY ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Tannoy Environmental And Engineering Limited | | Live |
| ENVIRONMENTAL ENGINEERING TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL TECHNOLOGY ENGINEERING COMPANY LIMITED | | Live |
| All Christ Environmental Technology Engineering Company Limited | Private company limited by shares | Live |
| EMTL ENGINEERING (ENVIRONMENTAL TECHNOLOGY) LIMITED | Private company limited by shares | Live |
| Tinon Environmental Engineering Company Limited | Private company limited by shares | Live |
| Treasure Environmental Engineering Limited | Private company limited by shares | Live |
| TUNG FAI ENVIRONMENTAL ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| TAI TUNG ENVIRONMENTAL DRAINAGE ENGINEERING CO., LIMITED | | Live |
| Viesta Environmental Engineering Co. Limited | Private company limited by shares | Live |
| Well Gains Environmental Engineering Limited | Private company limited by shares | Dissolved |
| Wing Tai Environmental Engineering Limited | Private company limited by shares | Live |
| HK ENMAN ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ENOVATIVE ENVIRONMENTAL SERVICE LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL PROJECTS CORPORATION (EPC) LIMITED | Private company limited by shares | Live |
| HK FENGHUA INTERNATIONAL ENVIRONMENTAL PROTECTION SPRAY EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| E.T.I. ENVIRONMENTAL TRADING INTERNATIONAL (ASIA) LIMITED | Private company limited by shares | Dissolved |
| EVERCLEAN ENVIRONMENTAL ENGINEERING (HK) LIMITED | Private company limited by shares | Dissolved |
| Every-One Environmental Treasuring Limited | Private company limited by shares | Live |
| eWATER ENVIRONMENTAL APPLICATIONS LIMITED | Private company limited by shares | Live |
| EXCEL CLEANING (ENVIRONMENTAL) LIMITED | Private company limited by shares | Live |
| EXCELLENCE ENVIRONMENTAL SERVICE CO. LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL EXPERTS BEIJING LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL EXPERTS CHINA LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL EXPERTS CHINA GROUP LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL EXPERTS BEIJING (HK) LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL FARMS LIMITED | Private company limited by shares | Dissolved |
| FEIXIANG ENVIRONMENTAL PROTECTION (HK) LIMITED | Private company limited by shares | Live |
| Yu Feng Environmental Engineering Limited | Private company limited by shares | Live |
| HK OU FENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Feng Da Environmental Renewable Resources Limited | Private company limited by shares | Live |
| QIN FENG ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIDELITY ENVIRONMENTAL CONSULTANTS LIMITED | Private company limited by shares | Live |
| FIDELITY ENVIRONMENTAL (HK) LIMITED | Private company limited by shares | Live |
| FINDS' ENVIRONMENTAL RECYCLES LIMITED | Private company limited by shares | Live |
| RM ENVIRONMENTAL FORCE SYSTEM LIMITED | Private company limited by shares | Dissolved |
| Ocean Forest Environmental Company Limited | Private company limited by shares | Live |
| FOREVER ENVIRONMENTAL TRADING LIMITED | Private company limited by shares | Live |
| Forto Environmental Technology Company Limited | Private company limited by shares | Live |
| FOSTER ENVIRONMENTAL TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| Environmental Culture Education Foundation Limited | Company limited by guarantee | Live |
| LEE SHAU KEE ENVIRONMENTAL PROTECTION FOUNDATION LIMITED | Company limited by guarantee | Live |
| OCEAN FREE ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL FRIENDLY SCIENTIFIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| Fruit Tree Environmental Strategies Limited | Private company limited by shares | Live |
| FUKUTOMI ENVIRONMENTAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| FULL WIN ENVIRONMENTAL EQUIPMENT COMPANY LIMITED | Private company limited by shares | Live |
| LI FUNG ENVIRONMENTAL CO. LIMITED | Private company limited by shares | Dissolved |
| Sun Fung Environmental Consultants Limited | Private company limited by shares | Live |
| YUE FUNG ENVIRONMENTAL ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| HK HANG FUNG ENVIRONMENTAL MATERIALS TECHNOLOGY COMPANY LIMITED | | Live |
| HOI FUNG ENVIRONMENTAL PROTECTION (HONG KONG) LIMITED | Private company limited by shares | Live |
| HOP FUNG ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TAI FUNG ENVIRONMENTAL RECYCLING COMPANY LIMITED | Private company limited by shares | Live |
| Fung Shing Environmental Recycling Co., Limited | | Live |
| Kam Fung Environmental Transportation Limited | Private company limited by shares | Live |
| Ying Fung Environmental Limited | Private company limited by shares | Live |
| YING FUNG ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK ZHISHUREN ENVIRONMENTAL PROTECTION FURNITURE LIMITED | Private company limited by shares | Live |
| Furun Environmental Protection Company Limited | Private company limited by shares | Live |
| FUSION Environmental (Hong Kong) Limited | | Live |
| GREEN FUTURE ENVIRONMENTAL MARKETING LIMITED | Private company limited by shares | Live |
| NET FUTURE ENVIRONMENTAL GROUP LIMITED | Private company limited by shares | Dissolved |
| Sky Future Environmental Technology Limited | Private company limited by shares | Live |
| CHINA FUXI ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Gaia Environmental Limited | Private company limited by shares | Live |
| Galilee Environmental Limited | Private company limited by shares | Live |
| GATEWAY (ENVIRONMENTAL SOLUTION) LIMITED | Private company limited by shares | Live |
| GATHER ENVIRONMENTAL HEALTH CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| GENRISE ENVIRONMENTAL LIMITED | | Live |
| GEOSCAPE & ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| OCEAN GIANT (CHINA-HK) ENVIRONMENTAL MANAGEMENT LIMITED | Private company limited by shares | Live |
| 3 UNI GLOBAL ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| GLOBAL ENVIRONMENTAL COOPERATION ORGANIZATION CO., LIMITED | Private company limited by shares | Live |
| GLOBAL ENVIRONMENTAL STRATEGE CO., LIMITED | Private company limited by shares | Dissolved |
| GLOBAL ENVIRONMENTAL CORPORATION LIMITED | Private company limited by shares | Dissolved |
| GLOBAL ENVIRONMENTAL HEALTH NET GROUP LIMITED | Private company limited by shares | Dissolved |
| GLOBAL ENVIRONMENTAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| GLOBAL ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Live |
| GLOBAL ENVIRONMENTAL TECHNOLOGY (INTERNATIONAL) CO LIMITED | Private company limited by shares | Live |
| GLOBALTECH ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| GLOBE ENVIRONMENTAL HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| Green Globe Environmental Secured Processing Limited | Private company limited by shares | Live |
| Godsin Environmental Co., Limited | | Live |
| GOOD ENVIRONMENTAL BUSINESS LIMITED | Private company limited by shares | Live |
| G.P.S. (ENVIRONMENTAL) COMPANY LIMITED | Private company limited by shares | Dissolved |
| GREAT ENVIRONMENTAL EQUIPMENT (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| GREAT WIN ENVIRONMENTAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| Great Bay Environmental Protection Charity Fund Limited | 擔保有限公司 | Live |