| ECO Enviro Technologies International Limited | Private company limited by shares | Live |
| LEEMANN ENVIRO TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Enviro Petro Technologies (Hong Kong) Limited | Private company limited by shares | Live |
| ETT ENVIRO TRADE & TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| ENVIRO TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| ENVIRO TECHNOLOGY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Enviro2 Limited | Private company limited by shares | Dissolved |
| HONG KONG ENVIROAD MACHINERY CO., LIMITED | Private company limited by shares | Dissolved |
| ENVIROCAIR INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| ENVIROCHEM LIMITED | Private company limited by shares | Live |
| ENVIROCHEM ENTERPRISES LIMITED | Private company limited by shares | Live |
| Enviro-Chemicals Company Limited | Private company limited by shares | Live |
| EnviroCycle Tech Limited | Private company limited by shares | Live |
| ENVIRO-ENERGY LIMITED | Private company limited by shares | Live |
| DUSTXPERT ENVIRO-ENG (ASIA) LIMITED | Private company limited by shares | Live |
| DUSTXPERT ENVIRO-ENG LIMITED | Private company limited by shares | Dissolved |
| EnviroEvents Hong Kong Limited | Company limited by guarantee | Live |
| EnviroEvents (ReThink) Limited | Private company limited by shares | Live |
| ENVIRO-FAX LIMITED | Private company limited by shares | Dissolved |
| ENVIROGEAR COMPANY LIMITED | Private company limited by shares | Live |
| ENVIRO-GUARD LIMITED | Private company limited by shares | Dissolved |
| ENVIRO-HEALTH LIMITED | Private company limited by shares | Dissolved |
| Enviro-Health Limited | Private company limited by shares | Live |
| AIRON ENVIROHEALTH GROUP LIMITED | Private company limited by shares | Live |
| ENVIRO-HEALTH CONSULTANCY LIMITED | Private company limited by shares | Live |
| DAJING ENVIRO-INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FENGDA ENVIRO-INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| C & J ENVIRO-LINKAGE LIMITED | Private company limited by shares | Live |
| ENVIROLITE PRODUCTS (HK) LIMITED | Private company limited by shares | Dissolved |
| ENVIROLITE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| TURNER ENVIROLOGIC CO., LIMITED | Private company limited by shares | Live |
| TURNER ENVIROLOGIC CO., LIMITED | Private company limited by shares | Live |
| ENVIROLYTE (CHINA) LIMITED | Private company limited by shares | Live |
| ENVIROLYTE ASIA PACIFIC CHINA LIMITED | Private company limited by shares | Live |
| ENVIROLYTE TECHNOLOGIES (CHINA HONG KONG) LIMITED | Private company limited by shares | Live Commenced dormancy on 20-May-2011 |
| I-TECH ENVIRO-MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| ENVIROMARINE AGENCIES LIMITED | Private company limited by shares | Dissolved |
| ENVIROMARK TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ENVIRO-MEN PRODUCTIONS (HONG KONG) LIMITED | Private company limited by shares | Live |
| BEST ENVIROMENT LIMITED | Private company limited by shares | Live |
| TAIWAN ACTIVE CARBON SCULPTURE ENVIROMENT CULTURE INT'LCAREER GROOUP STOCK LIMITED | Private company limited by shares | Dissolved |
| CHINA INFRASTRUCTURE AND ENVIROMENTAL INVESTMENT & CONSULTING, LIMITED | Private company limited by shares | Dissolved |
| ENVIRON COMPANY LIMITED | Private company limited by shares | Live |
| Environ Limited | | Live |
| CHINA GENDA ENVIRON. GROUP CO. LIMITED | Private company limited by shares | Live |
| Comfi Environ Limited | Private company limited by shares | Live |
| ENVIRON DRAGON LIMITED | | Live |
| E H R ENVIRON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GREEN ENVIRON HK LIMITED | Private company limited by shares | Live |
| NANO ENVIRON LIMITED | Private company limited by shares | Live |
| BOWIN ENVIRONEERING LIMITED | Private company limited by shares | Live |
| eArk Environeering Limited | Private company limited by shares | Live |
| ENVIRONEERS EQUITY GROUP LIMITED | Private company limited by shares | Live |
| Environic Company Limited | Private company limited by shares | Live |
| C. D. E. ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| J&B ENVIRONMENT LIMITED | Private company limited by shares | Live |
| ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| M & F Environment Limited | Private company limited by shares | Dissolved |
| TB Environment Limited | Private company limited by shares | Dissolved |
| Fu Tat Environment Company Limited | Private company limited by shares | Live |
| MAN YIP ENVIRONMENT LIMITED | Private company limited by shares | Live |
| RSC ENVIRONMENT LIMITED | Private company limited by shares | Live |
| ONE GOR ENVIRONMENT LIMITED | Private company limited by shares | Live |
| NEW JIE ENVIRONMENT CO. LIMITED | Private company limited by shares | Live |
| S. J ENVIRONMENT LIMITED | Private company limited by shares | Live |
| WZ Environment Limited | Private company limited by shares | Live |
| AJL ENVIRONMENT LIMITED | Private company limited by shares | Live |
| Vv Environment Company Limited | Private company limited by shares | Live |
| On Yat Environment Limited | Private company limited by shares | Live |
| Art For Environment - NFT Limited | | Live |
| ENVIRONMENT LIMITED | | Live |
| Global Environment Access Holdings Limited | Private company limited by shares | Dissolved |
| CONSUMERS ACTING FOR PEOPLE AND THE ENVIRONMENT LIMITED | Company limited by guarantee | Live |
| A-Grade Environment System Company Limited | Private company limited by shares | Live |
| NODIC - AIBA AIR ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| AIRMYTH ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHINA INVESTMENT ENVIRONMENT ALADEMY CO., LIMITED | Private company limited by shares | Dissolved |
| ALIVE ENVIRONMENT LIMITED | Private company limited by shares | Live |
| Alpha Green Environment Service Limited | Private company limited by shares | Live |
| AMERICA FAM SCENE ENVIRONMENT DESIGN LIMITED | Private company limited by shares | Dissolved |
| NORTH AMERICA OXYGEN ENVIRONMENT ASIA LIMITED | Private company limited by shares | Live Commenced dormancy on 24-Jun-2016 |
| ARCHETYPE ENVIRONMENT LIMITED | Private company limited by shares | Live |
| PBA ENVIRONMENT & LANDSCAPE ARCHITECTS LIMITED | Private company limited by shares | Live |
| ONE - ARCHITECTURE AND ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| HK DA VINCI ENVIRONMENT ARTISTIC DESIGIN LIMITED | Private company limited by shares | Dissolved |
| Environment Arts Center Limited | Private company limited by shares | Live |
| BMT ASIA ENVIRONMENT LIMITED | Private company limited by shares | Live |
| B & K ENVIRONMENT ASIA LIMITED | Private company limited by shares | Dissolved |
| HK QUICK-RESISTANT ATTACH ENVIRONMENT ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| AVNIR ENVIRONMENT LIMITED | Private company limited by shares | Live |
| Baguio CN Environment Limited | Private company limited by shares | Live |
| BAODAI ENVIRONMENT LIMITED | Private company limited by shares | Live |
| ENVIRONMENT BEAUTY COMPANY LIMITED | Private company limited by shares | Live |
| BEIJING ENTERPRISES ENVIRONMENT GROUP LIMITED | Public company limited by shares | Live |
| BERYL (HK) ENVIRONMENT SCAPE DESIGN LIMITED | Private company limited by shares | Dissolved |
| BEST ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| DR. SUN YAT-SEN BIOLOGICAL ENVIRONMENT PROTECTION LIMITED | Private company limited by shares | Dissolved |
| BLUEBRIDGE ENERGY AND ENVIRONMENT CONSULTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| BONCONTACT ENVIRONMENT (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| HK Boyi Environment Art Co., Limited | Private company limited by shares | Live |