| Company Name | Type | Status |
|---|---|---|
| HEYG ENVIRONMENTAL PROTECTION CO., LIMITED | Private company limited by shares | Dissolved |
| HEYG ENVIRONMENTAL PROTECTION CO., LIMITED | Private company limited by shares | Live |
| HEYGATE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HEYGOLD LIMITED | Private company limited by shares | Dissolved |
| HEYGRAND COMPANY LIMITED | Private company limited by shares | Dissolved |
| Heyguidy Limited | Private company limited by shares | Live |
| Heyguy Engineering Limited | Live |