| FORTUNE ENVIRONTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| FORTUNE ENVIRONTECH COMPANY LIMITED | Private company limited by shares | Live |
| LONGO ENVIRONTECH (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| WYZZ ENVIRONTECH LIMITED | Private company limited by shares | Dissolved |
| ENVIROPACE LIMITED | Private company limited by shares | Dissolved |
| NATIONAL ENVIROPAK LIMITED | Private company limited by shares | Live |
| POLYMER ENVIROPAK LIMITED | Private company limited by shares | Live |
| ENVIROPARK GLOBAL LIMITED | Private company limited by shares | Live |
| Enviroplaz International Limited | Private company limited by shares | Live |
| ENVIROPLUS SOLUTION LIMITED | Private company limited by shares | Live |
| ENVIROPOWER LIMITED | Private company limited by shares | Live |
| ENVIROPOWER (H.K.) LIMITED | Private company limited by shares | Live |
| Enviro-Pro Consulting Limited | Private company limited by shares | Live |
| Greenrich Enviropro International Limited | Private company limited by shares | Live |
| GREENSTAR ENVIRO-PRO LIMITED | Private company limited by shares | Dissolved |
| ENVIRO-PRO TECH LIMITED | Private company limited by shares | Dissolved |
| ENVIROPRODUCT LIMITED | Private company limited by shares | Dissolved |
| RUI HUA ENVIRO-PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| Fortune Enviro-Resource Limited | | Live |
| ENVIRORESOURCES (ASIA) LIMITED | Private company limited by shares | Dissolved |
| ENVIROS ASIA LIMITED | Private company limited by shares | Dissolved |
| Envirosation Limited | Private company limited by shares | Dissolved |
| Envirosax Asia Limited | Private company limited by shares | Dissolved |
| ENVIROSAX CHINA LIMITED | Private company limited by shares | Live |
| TAK TAI ENVIROSCAPE LIMITED | Private company limited by shares | Live |
| Absolute Pure EnviroSci Limited | | Live |
| BASSTECH INTERNATIONAL ENVIROSCIENCES (CHINA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Enviro-Sense GreenTech Co. Limited | | Live |
| Envirosols Environmental Solutions Limited | | Live |
| ENVIROSOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| EnviroSolutions & Consulting Limited | Private company limited by shares | Live |
| Envirostream Limited | Private company limited by shares | Live |
| ENVIROSYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ENVIROTEC LIMITED | Private company limited by shares | Dissolved |
| ENVIROTEC ASIA LIMITED | Private company limited by shares | Dissolved |
| ENVIRO-TEC CONSULTANTS H.K. LIMITED | Private company limited by shares | Dissolved |
| GUO FENG ENVIRO-TEC LIMITED | Private company limited by shares | Live |
| General Envirotec Limited | Private company limited by shares | Dissolved |
| NEW ENVIROTECH COMPANY LIMITED | Private company limited by shares | Live |
| ENVIROTECH LIMITED | Private company limited by shares | Dissolved |
| ENVIROTECH COMPANY LIMITED | Private company limited by shares | Live |
| BDP ENVIROTECH LIMITED | Private company limited by shares | Live |
| MEC Enviro-Tech Limited | Private company limited by shares | Live |
| SBD Envirotech Limited | Private company limited by shares | Live |
| RHT ENVIROTECH LIMITED | Private company limited by shares | Live |
| ALLIED ENVIROTECH LIMITED | Private company limited by shares | Live |
| AQUA ENVIROTECH INVESTMENT (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| ENVIROTECH ASIA LIMITED | Private company limited by shares | Dissolved |
| CP Envirotech (Asia) Pty Limited | Private company limited by shares | Dissolved |
| Envirotech Asia Pty Limited | Private company limited by shares | Dissolved |
| Avalon Envirotech Limited | Private company limited by shares | Live |
| CHEVALIER (ENVIROTECH) LIMITED | Private company limited by shares | Live |
| ENVIROTECH COMPANY (CHINA) LIMITED | Private company limited by shares | Dissolved |
| KEE (CHINA) ENVIRO-TECH LIMITED | Private company limited by shares | Live |
| ADVANCED ENVIROTECH (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SUNLIGHT ENVIROTECH CO., LIMITED | Private company limited by shares | Live |
| ENVIROTECH DISTRIBUTION (HK) LIMITED | Private company limited by shares | Live |
| ENVIROTECH ELECTRIC FAR EAST LIMITED | Private company limited by shares | Dissolved |
| ECOSOON ENVIROTECH LIMITED | Private company limited by shares | Live |
| ENVIROTECH ENERGY SOLUTION PTY LIMITED | Private company limited by shares | Live |
| ENVIRO-TECH ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| EPTEK Envirotech (HK) Limited | Private company limited by shares | Live |
| FORTUNE ENVIROTECH LIMITED | Private company limited by shares | Dissolved |
| GENERAL ENVIROTECH LIMITED | Private company limited by shares | Live |
| HEALTH GIANT ENVIROTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOP GRACE ENVIRO-TECH (HOLDING) COMPANY LIMITED | Private company limited by shares | Dissolved |
| GREEN ENVIROTECH LIMITED | Private company limited by shares | Live |
| GREEN ROOTS ENVIRO-TECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| Santa Fe EnviroTech Group Limited | Private company limited by shares | Live |
| TAK HEUNG ENVIRO-TECH EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| WinGalore Hexon Envirotech Limited | Private company limited by shares | Live |
| ENVIRO-TECH (HOLDING) LIMITED | Private company limited by shares | Live |
| China Everbright Envirotech (Hong Kong) Limited | Private company limited by shares | Live |
| Global Envirotech Hong Kong Co., Limited | Private company limited by shares | Live |
| Hong Kong Power Link EnviroTech Limited | | Live |
| Hong Kong Swift Envirotech Limited | Private company limited by shares | Live |
| HONG KONG TELFORD ENVIROTECH GROUP LIMITED | Private company limited by shares | Live |
| United Envirotech (Hong Kong) Company Limited | Private company limited by shares | Live |
| ENVIROTECH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| INSITU ENVIROTECH (HK) LIMITED | Private company limited by shares | Dissolved |
| ENVIROTECH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ENVIROTECH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| EnviroTech (International) Limited | Private company limited by shares | Live |
| JENIC ENVIRO-TECH LIMITED | Private company limited by shares | Dissolved |
| KETRON ENVIROTECH COMPANY LIMITED | Private company limited by shares | Live |
| Komate Envirotech Co., Limited | Private company limited by shares | Live |
| Logan Envirotech Limited | | Live |
| EnviroTech Management Limited | Private company limited by shares | Live |
| METRO ENVIROTECH LIMITED | Private company limited by shares | Live |
| NOVACORP ENVIROTECH LIMITED | Private company limited by shares | Live |
| OCEAN ENVIRO-TECH LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL ENVIROTECH GROUP LIMITED | Private company limited by shares | Live |
| 3E ENVIROTECH PRODUCTS (HK) COMPANY LIMITED | Private company limited by shares | Live |
| Santa Fe EnviroTech Limited | Private company limited by shares | Live |
| Sino-Apollo Envirotech (HK) Limited | Private company limited by shares | Live |
| ENVIRO-TECH SOLUTION COMPANY LIMITED | Private company limited by shares | Live |
| Sootable EnviroTech Limited | | Live |
| SOWSUN ENVIRO-TECH LIMITED | Private company limited by shares | Live |
| HP Telford Envirotech Group Limited | Private company limited by shares | Live |
| ENVIROTECH TRADING LIMITED | Private company limited by shares | Live |