| Company Name | Type | Status |
|---|---|---|
| ESTRO INC LIMITED | Private company limited by shares | Dissolved |
| Estro Pacific Limited | Private company limited by shares | Live |
| ESTRON LIMITED | Private company limited by shares | Live |
| E-STRONG LIMITED | Private company limited by shares | Dissolved |
| E-STRONG LIMITED | Private company limited by shares | Dissolved |
| E-STRONG LIMITED | Private company limited by shares | Dissolved |