| PERTE IMMENSE LIMITED | Private company limited by shares | Dissolved |
| PERTEC, LIMITED | Private company limited by shares | Dissolved |
| PERTEC LIMITED | Private company limited by shares | Live |
| PERTEC ELECTRONICS COMPANY, LIMITED | Private company limited by shares | Live |
| PERTEC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| PERTECH LIMITED | Private company limited by shares | Dissolved |
| PERTECH LIMITED | Private company limited by shares | Dissolved |
| Pertech Solutions Limited | Private company limited by shares | Live |
| PERTELL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Pertener Limited | | Live |
| PERTEX GLOBAL COMPANY LIMITED | Private company limited by shares | Live |