| LWK Conservation Limited | Private company limited by shares | Live |
| H2O CONSERVATION LIMITED | Private company limited by shares | Live |
| Animal Welfare and Conservation Limited | Company limited by guarantee | Live |
| AREON CONSERVATION LIMITED | Private company limited by shares | Dissolved |
| ASIAN DOLPHIN CONSERVATION FOUNDATION LIMITED | Private company limited by shares | Live |
| Foerch Energy Conservation Company Limited | Private company limited by shares | Live |
| Industrial Energy Conservation Investment Limited | Private company limited by shares | Live |
| Rise Land Energy Conservation Holding Limited | Private company limited by shares | Dissolved |
| T-ZIYUAN ENERGY CONSERVATION (HK) TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Family Capital Conservation Limited | Private company limited by shares | Live |
| Tai Hang Heritage Conservation Limited | Company limited by guarantee | Dissolved |
| HOLAND FEILIPU ENERGY CONSERVATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Hong Kong Bovid Conservation Association Limited | | Live |
| HONG KONG HERITAGE CONSERVATION FOUNDATION LIMITED | Private company limited by shares | Live |
| Aquatic Life Conservation Fund Limited | Company limited by guarantee | Live |
| NIPPON ECOLOGY & ENERGY CONSERVATION LIMITED | Private company limited by shares | Live |
| Partnership for Nature Education and Conservation Limited | Company limited by guarantee | Live |
| PHOENIX CONSERVATION LIMITED | Private company limited by shares | Live |
| PROPERTY CONSERVATION COMPANY LIMITED | Private company limited by shares | Live |
| SINOLAND HERITAGE CONSERVATION AND REVITALIZATION LIMITED | Private company limited by shares | Live |
| Philippine Rise Conservation and Protection Management Limited | Private company limited by shares | Live |
| SAN-JIAN HK ART & CONSERVATION COMPANY LIMITED | Private company limited by shares | Live |
| GUANGZHOU KAIWEITE SEALING CONSERVATION MATERIAL LIMITED | Private company limited by shares | Dissolved |
| Lau Fau Shan Conservation Association Limited | Company limited by guarantee | Live |
| SHAN SHUI CONSERVATION CENTER LIMITED | Company limited by guarantee | Live |
| MEGA-IN CONSERVATION TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Youjin Noh Conservation Limited | Private company limited by shares | Live |