| Company Name | Type | Status |
|---|---|---|
| TESORO LIMITED | Private company limited by shares | Live |
| Tesoro VL Limited | Private company limited by shares | Live |
| Tesoro Asia Co Limited | Private company limited by shares | Live |
| Tesoro Expert Limited | Private company limited by shares | Live |
| TESORO FINANCE & INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Tesoro Holding Company Limited | Private company limited by shares | Live |
| TESORO ITALIANO LIMITED | Private company limited by shares | Live |