| 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 |
| AT MEDICAL CATALYST ENVIRONMENTAL PURIFICATION COMPANY LIMITED | Private company limited by shares | Live |
| AT MEDICAL ENVIRONMENTAL TECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| MIAN ENVIRONMENTAL PROTECTION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Mighty Environmental Treatment Company Limited | Private company limited by shares | Live |
| MILLION MERIT PROFESSION ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Live |
| MILLION ENVIRONMENTAL PROTECTION MATERIALS LIMITED | Private company limited by shares | Dissolved |
| MILLION ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| VISION AND MIND ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| MODERN ASIA ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Live |
| MODERN ENVIRONMENTAL PLASTIC FACTORY LIMITED | Private company limited by shares | Dissolved |
| MODERN ASIA ENVIRONMENTAL MANAGEMENT FUND LIMITED | Private company limited by shares | Dissolved |
| MODERN ENVIRONMENTAL PROTECTION MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| MODERN ENVIRONMENTAL SERVICE LIMITED | Private company limited by shares | Dissolved |
| Monteth Environmental Equipment Co., Limited | Private company limited by shares | Live |
| MOTIVA ENVIRONMENTAL MECHANICAL CO., LIMITED | Private company limited by shares | Live |
| MOUNT VERNON ENVIRONMENTAL TECHNOLOGY CO., LIMITED -THE- | Private company limited by shares | Live |
| MULTI-WIN ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Dissolved |
| National Environmental Maintenance Co. Limited | Private company limited by shares | Dissolved |
| NATIONWIDE ENVIRONMENTAL CO. LIMITED | Private company limited by shares | Dissolved |
| NATURAL POWER ENVIRONMENTAL CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| NAYITAI ENVIRONMENTAL RECYCLING COMPANY LIMITED | Private company limited by shares | Live |
| Network of Environmental Student Societies (NESS) Limited | | Live |
| KONG NGAI ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| N-TEK ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| OASIS ENVIRONMENTAL PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| OASIS ENVIRONMENTAL TECHNOLOGY AND ENGINEERING LIMITED | Private company limited by shares | Live |
| EARTH.THE ONLY VILLAGE ENVIRONMENTAL PROTECTION ASSOCIATION LIMITED -THE- | Private company limited by shares | Live |
| HK TingTai OnTat Environmental Protection Tech Limited | Private company limited by shares | Live |
| ORBRUT ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| OUSENRUI INTERNATIONAL ENVIRONMENTAL PROTECTION TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL & OUTDOOR EDUCATION LIMITED | Private company limited by shares | Live |
| OVERSEAS OFFICE ENVIRONMENTAL CONSULTANCY LIMITED | Private company limited by shares | Live |
| PACIFIC ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| BIO ENVIRONMENTAL (ASIA PACIFIC) LIMITED | Private company limited by shares | Dissolved |
| Asia Pacific Environmental Company Limited | Private company limited by shares | Live |
| GIL ASIA PACIFIC ENVIRONMENTAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PACIFIC ENVIRONMENTAL CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| ZEN PACIFIC ENVIRONMENTAL CONTRACTORS LIMITED | Private company limited by shares | Dissolved |
| WCI Environmental Solution (Asia Pacific) Limited | Private company limited by shares | Live |
| HK JINGLONG ENVIRONMENTAL PROTECTION PACKING TECHNOLOGY LIMITED | Private company limited by shares | Live |
| PANTECH ENVIRONMENTAL ANTI-BACTERIA COATING LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL PCM-TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| PEAK ENVIRONMENTAL RESOURCES LIMITED | Private company limited by shares | Live |
| Peat Environmental Solutions Limited | Private company limited by shares | Live |
| PETERSON ENVIRONMENTAL CONSTRUCTION MATERIALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Petrochemical Environmental Protection Co., Limited | Private company limited by shares | Live |
| PHOENIX ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| PICCADILLY ENVIRONMENTAL PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| Pierson Capital Environmental Limited | Private company limited by shares | Live |
| ENVIRONMENTAL PLANNING LABORATORY HK LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL MASTER PLANNING CORPORATION LIMITED | Private company limited by shares | Dissolved |
| IB ENVIRONMENTAL PLASTIC LIMITED | Private company limited by shares | Live |
| JUNDA (CHINA) ENVIRONMENTAL PLASTICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hip Wo Environmental Plating Limited | Private company limited by shares | Live |
| POLYFORTUNE ENVIRONMENTAL PROTECTION LIMITED | Private company limited by shares | Live |
| CHIN PONG ENVIRONMENTAL EQUIPMENT CO. LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL POWER COMPANY LIMITED | Private company limited by shares | Dissolved |
| M Power Environmental Limited | Private company limited by shares | Live |
| ENVIRONMENTAL NEW POWER LIMITED | Private company limited by shares | Live |
| POWERBOX ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL DESIGN PRACTICE LIMITED | Private company limited by shares | Live |
| AHAAHA ENVIRONMENTAL PRESERVATION FUND LIMITED | Company limited by guarantee | Live |