| 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 |
| YIU TUNG (ENVIROTECH) LIMITED | Private company limited by shares | Dissolved |
| WONDERFUL ENVIRO-TECH LIMITED | Private company limited by shares | Dissolved |
| WOOD ENVIRO-TECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| Shin Yang Envirotech Co., Limited | Private company limited by shares | Live |
| ENVIROTECK COMPANY LIMITED | Private company limited by shares | Live |
| EnviroTek Energy Technologies Limited | Private company limited by shares | Live |
| ENVIRO-TEK HONG KONG LIMITED | Private company limited by shares | Dissolved |
| ENVIROTEK INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ENVIROTEQ PACIFIC LIMITED | Private company limited by shares | Live |
| ENVIROTEST LIMITED | Private company limited by shares | Dissolved |
| ENVIRO-TRADE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| EAST SEA ENVIRO-TRADE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ENVIROTREAT LIMITED | Private company limited by shares | Dissolved |
| ENVIRO-TROL LIMITED | Private company limited by shares | Dissolved |
| Envirtech Group Limited | Private company limited by shares | Live |
| ENVIR-TECH HONGKONG LIMITED | Private company limited by shares | Live |
| ENVIRTECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINOGRAND ENVIR-TECH LIMITED | Private company limited by shares | Dissolved |
| ENVIRTEK LIMITED | Private company limited by shares | Dissolved |
| Envis Adonis Limited | Private company limited by shares | Live |
| ENVISAGE LIMITED | Private company limited by shares | Live |
| Envisage Pvt Limited | Private company limited by shares | Live |
| ENVISAL ASIA LIMITED | Private company limited by shares | Live |
| ENVISE ARDENT LIMITED | Private company limited by shares | Live |
| ENVISE ARDOR LIMITED | Private company limited by shares | Live |
| ENVISE AVIDITY LIMITED | Private company limited by shares | Live |
| ENVISION LIMITED | Private company limited by shares | Dissolved |
| ENVISION COMPANY LIMITED | Private company limited by shares | Live |
| ENVISION ACE LIMITED | Private company limited by shares | Live |
| ENVISION (ASIA) LIMITED | Private company limited by shares | Live |
| ENVISION ENTERPRISE (ASIA) LIMITED | Private company limited by shares | Live |
| ENVISION CENTURY LIMITED | Private company limited by shares | Live |
| Envision Consultancy Limited | Private company limited by shares | Live |
| Envision Creative Limited | Private company limited by shares | Live |
| ENVISION ENTERPRISES LIMITED | Private company limited by shares | Live |
| Envision fraternity Limited | | Live |
| Envision Investment Limited | Private company limited by shares | Live |
| Envision Landscape Solutions Limited | Private company limited by shares | Live |
| Envision Motor Limited | | Live |
| Envision Energy Viet Dak Wind Power Investment Limited | Private company limited by shares | Live |
| Envision Energy Viet Soc Wind Power Investment Limited | Private company limited by shares | Live |
| Envision Energy Viet Hau Wind Power Investment Limited | Private company limited by shares | Live |
| ENVISION SHIPPING LIMITED | | Live |
| Space Envision Limited | Private company limited by shares | Live |
| HK Envision Trade Limited | Private company limited by shares | Live |
| ENVISION TRADE LIMITED | Private company limited by shares | Live |
| ULab Envision Company Limited | Private company limited by shares | Live |
| Envision Value Holding Limited | | Live |
| ENVISIONE Studio Limited | Private company limited by shares | Live |
| ENVISIONEDGE LIMITED | | Live |
| ENVISIONING TOURISM 3.0 LIMITED | Private company limited by shares | Live |
| Envital Trading Limited | Private company limited by shares | Live |
| ENVITALY LIMITED | Private company limited by shares | Live |
| EnviTec Biogas China Limited | Private company limited by shares | Live |
| CHINA ENVITEC COMPANY LIMITED | Private company limited by shares | Live |
| Envitec Engineering & Bridging (H.K) Co., Limited | Private company limited by shares | Live |
| ENVITECH LIMITED | Private company limited by shares | Live |
| ENVITECH ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ENVITEK GROUP LIMITED | Private company limited by shares | Live |
| Envizify Limited | Private company limited by shares | Live |