| STONET LIMITED | Private company limited by shares | Live |
| STONETEC ENTERPRISE LIMITED | Private company limited by shares | Live |
| STONETECH LIMITED | Private company limited by shares | Dissolved |
| STONETECH CO. LIMITED | Private company limited by shares | Dissolved |
| STONE-TECH LIMITED | Private company limited by shares | Live |
| STONETECH ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| STONETECH ENGINEERS LIMITED | Private company limited by shares | Dissolved |
| STONETECH SUPPLY CO. LIMITED | Private company limited by shares | Live |
| STONETEK CO., LIMITED | Private company limited by shares | Live |
| STONETEX LIMITED | Private company limited by shares | Live |
| STONETRADE TRADING LIMITED | Private company limited by shares | Live |