| Company Name | Type | Status |
|---|---|---|
| PROTEK LIMITED | Private company limited by shares | Dissolved |
| PRO-TEK (ASIA) LIMITED | Private company limited by shares | Dissolved |
| Protek Asia Limited | Private company limited by shares | Live |
| PRO-TEK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| PROTEK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Protek System Limited | Private company limited by shares | Live |
| Pro-Tek5 Systems Limited | Private company limited by shares | Live |
| PROTEKLAB LIMITED | Private company limited by shares | Live |