| DIABASE COMPANY LIMITED | Private company limited by shares | Dissolved |
| NORTH DIABASE LIMITED | Private company limited by shares | Dissolved |
| DIABEAM COMPANY, LIMITED | Private company limited by shares | Dissolved |
| DIABELL HK LIMITED | Private company limited by shares | Live |
| ANGEL OF DIABETIC LIMITED | Company limited by guarantee | Live |
| Diabigdata HK Limited | Private company limited by shares | Live |
| DEL DIABLO LIMITED | Private company limited by shares | Dissolved |
| DIABLUE LIMITED | Private company limited by shares | Dissolved |
| DIABO COMPANY LIMITED | Private company limited by shares | Dissolved |
| Diabolo Limited | Private company limited by shares | Live |
| DIABOLO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Diabond Limited | | Live |
| DIABRIGHT LIMITED | Private company limited by shares | Dissolved |
| DIA-BRILLIANT JEWELRY COMPANY LIMITED | Private company limited by shares | Live |
| DIABRO LIMITED | Private company limited by shares | Dissolved |