| HIDI TRADING CO., LIMITED | Private company limited by shares | Live |
| HIDIA TRADE LIMITED | Private company limited by shares | Live |
| HIDIC LIMITED | Private company limited by shares | Dissolved |
| HI-DIGIT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HI-DIGIT RESOURCES LIMITED | Private company limited by shares | Dissolved |
| HI-DIGIT SURPLUS LIMITED | Private company limited by shares | Dissolved |
| HI-DIGIT TURNOVER LIMITED | Private company limited by shares | Dissolved |
| HI-DIGITAL CO., LIMITED | Private company limited by shares | Live |
| HIDIGITAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HI-DIGITAL TECHNOLOGY LIMITED | Private company limited by shares | Live |