| CHECKIN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Checkin Here Company Limited | Private company limited by shares | Live |
| CHECKING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHECKING HK LIMITED | Private company limited by shares | Live |
| CHECKING LIMITED | | Live |
| Asia Checking Limited | Private company limited by shares | Live |
| GOWIN CHECKING FIXTURE CO., LIMITED | Private company limited by shares | Live |
| GOWIN CHECKING FIXTURE MANUFACTURER CO., LIMITED | Private company limited by shares | Dissolved |
| SCALE CHECKING FIXTURE CO., LIMITED | Private company limited by shares | Live |
| CHECKING DATA (Asia) LIMITED | Private company limited by shares | Live |
| CHECKING ENTERPRISES LIMITED | Private company limited by shares | Live |
| HARVEST CHECKING FIXTURE MANUFACTURER CO., LIMITED | Private company limited by shares | Live |
| TOP TALENT CHECKING FIXTURE MANUFACTURER CO., LIMITED | Private company limited by shares | Live |
| HK TOP TALENT CHECKING FIXTURE MANUFACTURER CO., LIMITED | Private company limited by shares | Live |
| Weiye Checking Fixture HK Limited | Private company limited by shares | Live |
| Checking Before Calling (HK) Limited | | Live |
| HONG KONG MEDICAL CHECKING ASSOCIATION LIMITED | Private company limited by shares | Live |
| HONGKONG TOP CHECKING FIXTURE CO., LIMITED | Private company limited by shares | Live |
| WONDROUS CHECKING FIXTURE (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| HONGKONG XINYU CAR CHECKING FIXTURE LIMITED | Private company limited by shares | Live |
| T WISH CHECKING FIXTURE & GAUGE CO., LIMITED | | Live |