| 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 |
| HSHB ENVIRONMENT HOLDING CO., LIMITED | Private company limited by shares | Live |
| Huabao Environment Technology Co., Limited | | Live |
| OLYMP ENVIRONMENT PROTECTION INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| MEICHENG (INT'L) CHEMICAL ENVIRONMENT EQUIPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| ISRAEL ASI ENVIRONMENT PROTECTION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| KAPPES ENVIRONMENT TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Melodious Environment Landscape Architecture Co., Limited | Private company limited by shares | Live |
| Lvyuan Environment Group Co., Limited | Private company limited by shares | Live |
| NANKING EVERGREAT ENVIRONMENT CO., LIMITED | | Live |
| DK Environment (Asia Pacific) Co., Limited | Private company limited by shares | Live |
| CHINA TAI JI ENVIRONMENT PLANNING CO., LIMITED | Private company limited by shares | Dissolved |
| TiRay Environment Protection Technology Co., Limited | | Live |
| Runpin Environment Protection Technology Co., Limited | | Live |
| PURE ENVIRONMENT SERVICE CO., LIMITED | Private company limited by shares | Live |
| Shanghai Anray Environment Technology Co., Limited | Private company limited by shares | Live |
| HING SHING ENVIRONMENT CO., LIMITED | Private company limited by shares | Live |
| CONTIOCEAN ENVIRONMENT TECH CO., LIMITED | Private company limited by shares | Live |
| E-SOLAR ENVIRONMENT TECH CO., LIMITED | Private company limited by shares | Live |
| STANDARD ENVIRONMENT TECH CO., LIMITED | Private company limited by shares | Live |
| Qun Tai Environment Technology Co., Limited | Private company limited by shares | Dissolved |
| HK WO DE ENVIRONMENT TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| NEW FRONTIER ENVIRONMENT TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| JOHNSON ENVIRONMENT & TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Pure Environment & Technology Co., Limited | Private company limited by shares | Live |
| HK SHUNXIN ENVIRONMENT TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Triland Environment Technology Co., Limited | Private company limited by shares | Live |
| WANO ENVIRONMENT TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Deutsche Thermoplus Environment Technology Co., Limited | Private company limited by shares | Live |
| Telex Environment Trading Co., Limited | Private company limited by shares | Live |
| YADI SPACE ENVIRONMENT DESIGN CO., LIMITED | Private company limited by shares | Dissolved |
| NEW ENVIRONMENT COMMUNICATION COMPANY LIMITED | Private company limited by shares | Live |
| H K ENVIRONMENT CONSTRUCTION DESIGN & RESEARCH LIMITED | Private company limited by shares | Dissolved |
| A ENVIRONMENT CONSULTANT COMPANY LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENT ENGINEERING CONSULTANT CO. LIMITED | Private company limited by shares | Dissolved |
| ANPO ENVIRONMENT CONSULTANT AND TESTING COMPANY LIMITED | Private company limited by shares | Live |
| BH ENVIRONMENT CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| PYPUN ENVIRONMENT ENGINEERING CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| Feng Jie Environment Art Design Consultants Limited | Private company limited by shares | Dissolved |
| ENVIRONMENT ASIA CONSULTING LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENT MANAGEMENT CONSULTING LIMITED | Private company limited by shares | Live |
| EAST ASIA ENVIRONMENT PEST CONTROL LIMITED | Private company limited by shares | Dissolved |
| SCIENTIFIC ENVIRONMENT CONTROL (HK) LIMITED | Private company limited by shares | Dissolved |
| SCIENTIFIC ENVIRONMENT CONTROL (HK) LIMITED | Private company limited by shares | Dissolved |
| SCIENTIFIC ENVIRONMENT CONTROL (HK) LIMITED | Private company limited by shares | Live |
| LI SHING ENVIRONMENT & WASTE CONTROL COMPANY LIMITED | Private company limited by shares | Live |
| COOPERATE ENVIRONMENT LIMITED | Private company limited by shares | Live |
| CORONA ENVIRONMENT LIMITED | Private company limited by shares | Live |
| SHIJIAZHUANG AQUAENJOY ENVIRONMENT CORPORATION LIMITED | Private company limited by shares | Live |
| General Environment Corporation Limited | Private company limited by shares | Dissolved |
| FIRSTLINK ENVIRONMENT (HONG KONG) CORPORATION LIMITED | Private company limited by shares | Live |
| BUSINESS ENVIRONMENT COUNCIL LIMITED | Company limited by guarantee | Live |
| Critical Environment Controls Limited | | Live |
| C-Tech Environment Limited | Private company limited by shares | Live |