| Company Name | Type | Status |
|---|---|---|
| STONEBRIDGE LIMITED | Private company limited by shares | Live |
| Stonebridge Enterprises Limited | Private company limited by shares | Live |
| STONEBRIDGE & LOCUST CAPITAL LIMITED | Private company limited by shares | Live |
| STONEBRIDGE & MASON LIMITED | Private company limited by shares | Live |
| StoneBridge Systems Limited | Private company limited by shares | Live |