| 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 |
| DELTA BRAVO HK - ENVIRONMENT CARE EQUIPMENT LIMITED | Private company limited by shares | Live |
| GABION BRIDGE ENVIRONMENT TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| BRIGHT ENVIRONMENT LIMITED | Private company limited by shares | Live |
| BRIGHTER ENVIRONMENT (DEVELOPMENT) LIMITED | Private company limited by shares | Dissolved |
| BUILT ENVIRONMENT SOLUTIONS LIMITED | Private company limited by shares | Live |
| H.K BUSH ENVIRONMENT ART DESIGN LIMITED | Private company limited by shares | Dissolved |
| CABALLO ENVIRONMENT SERVICE LIMITED | Private company limited by shares | Dissolved |
| CHAK GREEN ENVIRONMENT TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| CHANG AN ECOLOGICAL ENVIRONMENT ENGINEERING LIMITED | Private company limited by shares | Live |
| PDTECH ENVIRONMENT CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| CHEONG FAT ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| CHINA ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| RHT ENVIRONMENT (CHINA) LIMITED | Private company limited by shares | Live |
| ENVIRONMENT EXPERTS (CHINA) DEVELOPMENT & INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINA ENVIRONMENT INVESTMENT LIMITED | Private company limited by shares | Live |
| GLORY ENVIRONMENT INVESTMENT (CHINA) LIMITED | Private company limited by shares | Dissolved |
| All China Environment Investments Limited | Private company limited by shares | Live |
| NEW CENTURY ENVIRONMENT PROTECTION GROUP (CHINA) LIMITED | Private company limited by shares | Dissolved |
| TDR ENVIRONMENT TECH (CHINA) LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENT TECHNOLOGY (CHINA) LIMITED | Private company limited by shares | Live |
| OPEN ENVIRONMENT CHINA/HONG KONG LIMITED | Private company limited by shares | Dissolved |
| CHINESE ENVIRONMENT LIMITED | Private company limited by shares | Live |
| CHIN CHING ENVIRONMENT LIMITED | Private company limited by shares | Live |
| City Environment Intelligence Design Limited | Private company limited by shares | Live |
| CITY ENVIRONMENT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ENVIRONMENT CITY LIMITED | Private company limited by shares | Live |
| GREEN CITY ENVIRONMENT WORKS LIMITED | Private company limited by shares | Live |
| YTH Clean Environment Limited | Private company limited by shares | Live |
| K CLEAN ENVIRONMENT LIMITED | | Live |
| NAM KEE ENVIRONMENT CLEANING LIMITED | Private company limited by shares | Dissolved |
| YAT KEI ENVIRONMENT AND CLEANING CO. LIMITED | Private company limited by shares | Dissolved |
| NEW CENTURY ENVIRONMENT CLEANING SERVICE LIMITED | Private company limited by shares | Dissolved |
| Clear Environment Co., Limited | | Live |
| CLIMATE ENVIRONMENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HK ARTSTAR ENVIRONMENT ART CO., LIMITED | Private company limited by shares | Live |
| NGAR CHEE ENVIRONMENT SERVICE CO., LIMITED | Private company limited by shares | Live |
| SUS Environment (China) Investment Co., Limited | Private company limited by shares | Live |
| CHINESE WATER ECOLOGICAL ENVIRONMENT CONSTRUCTION CO., LIMITED | Private company limited by shares | Live |
| CHINA DECORATION ENVIRONMENT ART DESIGN (HK) CO., LIMITED | Private company limited by shares | Live |
| HKS ENVIRONMENT DESIGN CO., LIMITED | Private company limited by shares | Dissolved |
| HK DongYaXuan Environment Programming Co., Limited | Private company limited by shares | Live |
| COMFORT ENVIRONMENT ENGINEERING & TRADING CO., LIMITED | Private company limited by shares | Live |
| EPOCH ENVIRONMENT & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GREEN ENVIRONMENT CO., LIMITED | Private company limited by shares | Live |
| FIVER ENVIRONMENT GROUP CO., LIMITED | Private company limited by shares | Live |
| E20 Environment Holding Group Co., Limited | | Live |
| HANG WAI ENVIRONMENT SERVICE CO., LIMITED | Private company limited by shares | Live |