| QUALITEC LIMITED | Private company limited by shares | Live |
| CENTURY QUALITEC LIMITED | Private company limited by shares | Dissolved |
| QUALITECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| QUALITECH LIMITED | Private company limited by shares | Dissolved |
| QUALITECH CONSULTANCY LIMITED | Private company limited by shares | Live |
| QUALITECH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| QUALITECH INNOVATION LIMITED | Private company limited by shares | Live |
| QUALITECH INSPECTION & TESTING CO. LIMITED | Private company limited by shares | Dissolved |
| Qualitech Machinery Limited | Private company limited by shares | Live |
| Qualitech Testing & Consultancy Limited | Private company limited by shares | Live |
| QUALI-TECH TRADING & MANUFACTURING SERVICE COMPANY LIMITED | Private company limited by shares | Dissolved |