| Company Name | Type | Status |
|---|---|---|
| HYCO GROUP LIMITED | Private company limited by shares | Live |
| HYCOLT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HYCOMM TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Hycon Research Limited | Private company limited by shares | Live |
| HYconn Technology Co., Limited | Private company limited by shares | Live |
| H.Y.Consulting Co., Limited | Private company limited by shares | Live |
| Hycor Biomedical Limited | Private company limited by shares | Live |