| Company Name | Type | Status |
|---|---|---|
| POTOMAC LIMITED | Private company limited by shares | Dissolved |
| Potomac Asia Limited | Private company limited by shares | Live |
| POTOMAC CAPITAL LIMITED | Private company limited by shares | Live |
| POTOMAC COLLEGE LIMITED | Private company limited by shares | Dissolved |
| Potomac River (Hong Kong) Limited | Private company limited by shares | Live |
| PotomacFusion Limited | Live |