| GLOBAL ENVIRONMENTAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| GLOBAL ASIA ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GLOBAL ENVIRONMENTAL TECHNOLOGY ENGINEERING LIMITED | Private company limited by shares | Live |
| GREENIE ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Live |
| HALE ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HARBOUR ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Live |
| HARMONY ENVIRONMENTAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAN HING ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Live |
| HYPER-TECH ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Live |
| KINGSNIC INDUSTRIAL AND ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW TECHNOLOGY ENVIRONMENTAL INDUSTRIAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| InnoGreen Environmental Engineering Limited | Private company limited by shares | Dissolved |
| INNOVHUB ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Live |
| TAT KEUNG ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Live |
| KINGSFORD ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Live |
| KITAGAWA ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LEADER ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Live |
| LEGEND ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Liden Environmental Engineering Co. Limited | Private company limited by shares | Live |
| MAIN FOREST ENVIRONMENTAL EQUIPMENT AND ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| JX ENGINEERING AND ENVIRONMENTAL MANAGEMENT LIMITED | Private company limited by shares | Live |
| CHINA EVERBRIGHT ENVIRONMENTAL ENGINEERING MANAGEMENT LIMITED | Private company limited by shares | Live |
| Master Environmental Engineering Limited | | Live |
| WIN MERIT ENVIRONMENTAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| M.Y. CHENG ENGINEERING (ENVIRONMENTAL) LIMITED | Private company limited by shares | Live |
| Orient Environmental Engineering Co. Limited | Private company limited by shares | Live |
| Poly Environmental Science And Engineering Limited | | Live |
| HYDROTECH ENVIRONMENTAL ENGINEERING & PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| B. F. ENVIRONMENTAL PROTECTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL ENVIRONMENTAL PROTECTION ENGINEERING INVESTMENTS (CHINA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| TIN YUEN MEI ENVIRONMENTAL PROTECTION ENGINEERING & PAINTING COMPANY LIMITED | Private company limited by shares | Live |
| WELLUN ENVIRONMENTAL PROTECTION ENGINEERING LIMITED | Private company limited by shares | Live |
| XIONGWANG ENVIRONMENTAL PROTECTION ENGINEERING CONSULTANTS LIMITED | Private company limited by shares | Live |
| QING WEI ENVIRONMENTAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| 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 |