| Company Name | Type | Status |
|---|---|---|
| QUANG QI LIMITED | Private company limited by shares | Live |
| Quangas Pipeline Limited | Private company limited by shares | Live |
| QUANGCO LIMITED | Private company limited by shares | Live |
| QuangLi Plastic Company Limited | Private company limited by shares | Live |
| QUAN-GLO LIMITED | Private company limited by shares | Dissolved |
| QUANGO LIMITED | Private company limited by shares | Dissolved |