| WAH SHING ENVIRONMENTAL INVESTMENT LIMITED | Private company limited by shares | Live |
| Shing Fat Environmental Protection Limited | Private company limited by shares | Dissolved |
| HOP SHING ENVIRONMENTAL RECYCLING LIMITED | Private company limited by shares | Live |
| GO SHING ENVIRONMENTAL RECYCLING COMPANY LIMITED | | Live |
| CHUNG SHING ENVIRONMENTAL SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| Wan Shing Environmental Trading Limited | | Live |
| HK SHIXIONG ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Shujin Environmental Technology Limited | Private company limited by shares | Dissolved |
| SHYUAN-KUO ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| Sino-US Environmental Regeneration Resource Limited | Private company limited by shares | Live |
| Skyline Environmental Protection Limited | Private company limited by shares | Live |
| Skyline Environmental Technology (Hong Kong) Limited | Private company limited by shares | Live |
| SMARTGAS ENVIRONMENTAL AUTOMOBILE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Soaring Sky Environmental Limited | Private company limited by shares | Live |
| ADVANCED ENVIRONMENTAL SOLUTION LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| ON KEE ENVIRONMENTAL SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| BBJ ENVIRONMENTAL SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| A2E ENVIRONMENTAL SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| MIB Environmental Solutions Limited | | Live |
| ADA Environmental Solutions Limited | | Live |
| Citadel Environmental Solutions Limited | Private company limited by shares | Live |
| CLOSED LOOP (ASIA) ENVIRONMENTAL SOLUTIONS LIMITED | Private company limited by shares | Live |
| Luftrum Environmental Solutions Limited | | Live |
| ENVIRONMENTAL PIONEERS & SOLUTIONS LIMITED | Private company limited by shares | Live |
| RAINMAKER ENVIRONMENTAL SOLUTIONS LIMITED | Private company limited by shares | Live |
| SONGRONG ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Soyii Environmental Limited | Private company limited by shares | Live |
| ENVIRONMENTAL SPECIALISTS LIMITED | Private company limited by shares | Live |
| Green Square Environmental Limited | Private company limited by shares | Live |
| Stone Forest Environmental Co., Limited | Private company limited by shares | Live |
| SUCCESS GRAND ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| SUMMIT ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sunlight Environmental Limited | Private company limited by shares | Live |
| NEW SUNSHINE ENVIRONMENTAL ART CO., LIMITED | Private company limited by shares | Live |
| SUNSHINE ENVIRONMENTAL PROTECTION ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SUNSHINE ENVIRONMENTAL PROTECTION INT'L LIMITED | Private company limited by shares | Live |
| SUNTEAM WATSON ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| Sunvast Environmental Technology Limited | Private company limited by shares | Live |
| SUNY ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SWEAIR ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| TPC Environmental System Company Limited | Private company limited by shares | Dissolved |
| A. T. S. ENVIRONMENTAL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| DMC ENVIRONMENTAL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| GAINBERG ENVIRONMENTAL SYSTEMS LIMITED | Private company limited by shares | Live |
| KASEMAN ENVIRONMENTAL SYSTEMS (HK) LIMITED | Private company limited by shares | Dissolved |
| TAIAN ENVIRONMENTAL INTERNATIONAL TECHNOLOGY MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| TAIWAN PLASTIC ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TAIWAN YIJIA ENVIRONMENTAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| TAPBO ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| E. TECH ENVIRONMENTAL CO LIMITED | Private company limited by shares | Dissolved |
| OCEAN & SKY ENVIRONMENTAL TECH. CO., LIMITED | Private company limited by shares | Dissolved |
| Tech Environmental Culture Company Limited | | Live |
| HK RONGYOU ENVIRONMENTAL TECH LIMITED | | Live |
| USA TOUAOSY ENVIRONMENTAL TECH LIMITED | Private company limited by shares | Live |
| ZHENGLONG ENVIRONMENTAL PRO TECH CO., LIMITED | | Live |
| Environmental Technica Limited | Private company limited by shares | Dissolved |
| ENVIRONMENTAL TECHNIQUES EU LIMITED | Private company limited by shares | Live |
| IWS ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HM ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| CLS Environmental Technologies Limited | Private company limited by shares | Live |
| Advanced Environmental Technologies Limited | Private company limited by shares | Live |
| ASIA ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SUN AUSTRALIA (CHINA) ENVIRONMENTAL TECHNOLOGIES PTY LIMITED | Private company limited by shares | Live Commenced dormancy on 16-Jun-2014 |
| AuTec Environmental Technologies Limited | Private company limited by shares | Live |
| BECANCHI ENVIRONMENTAL SOLUTION TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SINOTECH ENVIRONMENTAL TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| HM ENVIRONMENTAL TECHNOLOGIES (CONTRACTING) LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL TECHNOLOGIES INTERNATIONAL CORPORATION LIMITED | Private company limited by shares | Live |
| LEMI ENVIRONMENTAL TECHNOLOGIES CORPORATION LIMITED | Private company limited by shares | Dissolved |
| CYCLETECH ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| ENPRO ENVIRONMENTAL TECHNOLOGIES CO. LIMITED | Private company limited by shares | Live |
| EVER VISION ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| FOOK WOO ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Environmental Technologies Foundation Limited | Company limited by guarantee | Live |
| GLOBAL ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| GLOBAL TECHNOLOGIES AND ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Live |
| G.E.T. GLOBAL ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| GOLD BOND ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| GREEN ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| FSE Environmental Technologies Group Limited | Private company limited by shares | Live |
| GUANG YI ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| H2O3 ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Environmental Technologies (Hong Kong) Limited | Private company limited by shares | Live Commenced dormancy on 19-Aug-2008 |
| iQTek Environmental Technologies Limited | Private company limited by shares | Live |
| Kinghome Environmental Technologies Co., Limited | Private company limited by shares | Live |
| LEMI ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| MANDRAKE ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| NANOPAM ENVIRONMENTAL TECHNOLOGIES (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENTAL TECHNOLOGIES ASIA PACIFIC (H.K.) LIMITED | Private company limited by shares | Live |
| ROOTS ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Star Glory Environmental Technologies Limited | Private company limited by shares | Live |
| TEEMWAY ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| WASTE & ENVIRONMENTAL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Waterdragon Environmental Technologies Limited | Private company limited by shares | Dissolved |
| ENVIRONMENTAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| CS ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TFH ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WAY WAY ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |