| LANDFILL COMPANY LIMITED | Private company limited by shares | Dissolved |
| EOS LANDFILL GAS ENERGY LIMITED | Private company limited by shares | Dissolved |
| GREENHILLS LANDFILL RESTORATION LIMITED | Private company limited by shares | Dissolved |
| HONG KONG LANDFILL RESTORATION GROUP LIMITED | Private company limited by shares | Live |
| ECO LANDFILL GAS (NENT) LIMITED | Private company limited by shares | Live |
| P-Tech Landfill Gas (NENT Extension) Company Limited | | Live |
| P-Tech Landfill Gas (SENT) Company Limited | Private company limited by shares | Live |
| FAR EAST LANDFILL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| GREEN VALLEY LANDFILL, LIMITED | Private company limited by shares | Live |
| VEOLIA ES LANDFILL GAS-TO-ENERGY HONG KONG LIMITED | Private company limited by shares | Live |