| PRO-Q LIMITED | Private company limited by shares | Live |
| ProQare Limited | Private company limited by shares | Live |
| A1 ProQment Limited | Private company limited by shares | Live |
| PRO-QUALITY ELECTRONIC COMPANY, LIMITED | Private company limited by shares | Dissolved |
| PROQUEEN LIMITED | Private company limited by shares | Dissolved |
| ProQuest Asia Limited | Private company limited by shares | Live |
| PROQUEST TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| PRO-QUICK SOURCING CO., LIMITED | Private company limited by shares | Live |
| PROQUID INVESTMENT LIMITED | Private company limited by shares | Live |