| RITT COMPANY LIMITED | Private company limited by shares | Live |
| RITTA INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| RITTAL LIMITED | Private company limited by shares | Live |
| RITTEN HOUSE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| RITTEN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| RITTENBERG ASSOCIATE LIMITED | Private company limited by shares | Live |
| RITTER LIMITED | Private company limited by shares | Dissolved |
| Weiss Ritter Entertainment Limited | Private company limited by shares | Live |
| RITTERFIELD LIMITED | Private company limited by shares | Dissolved |
| RITTO LIMITED | Private company limited by shares | Live |