| FU AN SI ENVIRONMENTAL INT'L LIMITED | Private company limited by shares | Dissolved |
| TBS ENVIRONMENTAL BIO-TECH (INT'L) LIMITED | Private company limited by shares | Dissolved |
| ZHILIAN INT'L ENVIRONMENTAL PROTECTION (HK) INVESTMENT LIMITED | Private company limited by shares | Live |
| PARKING ENVIRONMENTAL INT'L INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| Environmental Investment Limited | Private company limited by shares | Live |
| Berlinaqua Environmental Investment Limited | Private company limited by shares | Live |
| Canves Environmental Investment Company Limited | Private company limited by shares | Live |
| NJU Environmental Investment (HK) Corporation Limited | Private company limited by shares | Live |
| DONGGUAN ENVIRONMENTAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HK YU MING ENVIRONMENTAL INVESTMENT LIMITED | Private company limited by shares | Live |
| HUA ZHANG ENVIRONMENTAL RESOURCES INVESTMENT LIMITED | Private company limited by shares | Live |
| ECO Environmental Investments Limited | Private company limited by shares | Live |
| I.T. ENVIRONMENTAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Fortune Jade Environmental Technology Limited | Private company limited by shares | Live |
| Jade Environmental Protection Technology Limited | Private company limited by shares | Live |
| JiangSu Jinsheng Environmental Protection Tableware Limited | | Live |
| JIANGSU SK ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| JIANZHONG ENVIRONMENTAL SAVING LIMITED | Private company limited by shares | Live |
| JINFENG ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Live |
| BEI JING FIREFIGHTING AND GREEN ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Lan Jing Environmental Protection Co., Limited | | Live |
| JING RUN MARITIME ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| JINLONGWANG ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TER JINN ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Johnson Environmental Company Limited | Private company limited by shares | Live |
| JOSEPH NOVA ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| KARDI Environmental Technology Limited | | Live |
| Keyi Environmental Protection Tableware Co., Limited | Private company limited by shares | Live |
| Kingcloth Environmental Technology Limited | Private company limited by shares | Live |
| KINGSFORD ENVIRONMENTAL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Kingsun Environmental Protection (HK) Technology Limited | Private company limited by shares | Live |
| UK Kiverco (Hong Kong) Environmental Technology Limited | | Live |
| KLEAN-TECH ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| KOREA HESHUN ENVIRONMENTAL PROTECTION AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Kowloon Environmental Supply Limited | | Live |
| KOYO ENVIRONMENTAL BIOSCIENCE (HK) LIMITED | Private company limited by shares | Live |
| KWAN YU ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Dissolved |
| HK OCEAN & LAND ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LAWN ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Live |
| LEE'S ENVIRONMENTAL COMPANY LIMITED | | Live |
| GUANGDONG LEJIA ENVIRONMENTAL VENTILATION EQUIPMENT LIMITED | Private company limited by shares | Live |
| LEON ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| Life Protection Environmental Technology Limited | Private company limited by shares | Live |
| HONEST LIFE ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| O Tin Environmental Lighting Limited | Private company limited by shares | Live |
| FORTUNE ENVIRONMENTAL LED LIGHTING LIMITED | Private company limited by shares | Dissolved |
| TUNG TAT ENVIRONMENTAL LIGHTING EQUIPMENT LIMITED | Private company limited by shares | Live |
| Lime Environmental Limited | Private company limited by shares | Live |
| Lingfeng Environmental Technology (Hong Kong) Limited | Private company limited by shares | Live |
| LINK ENVIRONMENTAL RESOURCES LIMITED | Private company limited by shares | Live |
| GOLD LINKAGE ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| LINKLUCK ENVIRONMENTAL TECH COMPANY LIMITED | Private company limited by shares | Live |
| HK Lishuo Environmental Protection Package Limited | Private company limited by shares | Live |
| One Environmental Logistic Limited -The- | Private company limited by shares | Live |
| Tat Long Environmental Company Limited | Private company limited by shares | Live |
| LONG DAY ENVIRONMENTAL GREENING LIMITED | Private company limited by shares | Live |
| Long Seon (HK) Environmental Protection Technology Limited | Private company limited by shares | Live |
| LONGSHAN ENVIRONMENTAL PROTECTION (HK) LIMITED | Private company limited by shares | Live |
| Lotus-Wisdom Environmental Company Limited | Private company limited by shares | Live |
| Luman Environmental Limited | Private company limited by shares | Live |
| LUNG TAI ENVIRONMENTAL PLASTIC LIMITED | Private company limited by shares | Dissolved |
| M.A.D.S Environmental Solution Limited | | Live |
| Maintime Environmental Limited | Private company limited by shares | Dissolved |
| MAKER ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL MANAGEMENT LIMITED | Private company limited by shares | Live |
| NO. 1 ENVIRONMENTAL MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Bug Ops Environmental Management Limited | | Live |
| ENVIRONMENTAL CONTRACTORS MANAGEMENT ASSOCIATION LIMITED | Company limited by guarantee | Live |
| BUNNY ENVIRONMENTAL MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| China Environmental City Management Limited | Private company limited by shares | Live |
| GREENPORT ENVIRONMENTAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| Greentins Environmental Management Limited | Private company limited by shares | Live |
| GREENTONE ENVIRONMENTAL MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MING HING ENVIRONMENTAL MANAGEMENT LIMITED | | Live |
| Environmental Management (HK) Limited | | Live |
| ENVIRONMENTAL MANAGEMENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| LAI'S ENVIRONMENTAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| Long Excellent Environmental Management Limited | Private company limited by shares | Live |
| ON FAT LUNG ENVIRONMENTAL MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL RESOURCES MANAGEMENT LIMITED | Private company limited by shares | Live |
| HIN BID ENVIRONMENTAL SANITATION MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| Kam Yuen Environmental Management Limited | | Live |
| Ji An Environmental Manufacturing Limited | Private company limited by shares | Live |
| Maris Environmental Projects Asia Limited | Private company limited by shares | Live |
| MASTER SKY ENVIRONMENTAL SOLUTIONS LIMITED | Private company limited by shares | Live |
| RGF Environmental New Material Limited | Private company limited by shares | Live |
| FRIENDS ENVIRONMENTAL MATERIAL COMPANY LIMITED | Private company limited by shares | Live |
| A&E Environmental Material (HK) Limited | Private company limited by shares | Live |
| Luyou Environmental Protection Material Co., Limited | Private company limited by shares | Live |
| HK MSD Environmental Protection Material Limited | Private company limited by shares | Dissolved |
| X-TENG Environmental Protection Material Co., Limited | | Live |
| LELE ENVIRONMENTAL PROTECTION MATERIAL (HK) LIMITED | Private company limited by shares | Live |
| GERMANY QINGDAOFU ENVIRONMENTAL PROTECTION NEW MATERIAL LIMITED | Private company limited by shares | Live |
| GERMANY FUBANG ENVIRONMENTAL MATERIALS GROUP LIMITED | Private company limited by shares | Dissolved |
| HANG HAU MATERIALS ENVIRONMENTAL LIMITED | | Live |
| JinMuTu Environmental Materials (H.K.) Limited | Private company limited by shares | Dissolved |
| DR. KIM ENVIRONMENTAL MATERIALS SUPPLIES LIMITED | Private company limited by shares | Live |
| Maxi United Laundry Environmental Equipment Limited | Private company limited by shares | Live |
| MAYMEN HI-TECH & ENVIRONMENTAL GROUP LIMITED | Private company limited by shares | Live |