| DIAMI LIMITED | Private company limited by shares | Dissolved |
| DIAMI HK LIMITED | Private company limited by shares | Live |
| Diami Professional Ink Co., Limited | Private company limited by shares | Live |
| Diami Intellectual Property Company Limited | Private company limited by shares | Live |
| DIAMID LIMITED | Private company limited by shares | Live |
| DIAMID LIMITED | | Live |
| DIAMILLE ENTERPRISES LIMITED | Private company limited by shares | Live |
| DIAMINPAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| DIAMINTEL LIMITED | Private company limited by shares | Live |
| DIAMIT HK LIMITED | Private company limited by shares | Live |
| DIAMITZ INVESTMENTS LIMITED | Private company limited by shares | Live |