| Car Sounds | 01342 311351 | | 4 London Road, The Parade, East Grinstead, RH19 1QL |  Map & Directions |
| Road Radio Ltd | 01444 242107 | | 41 Station Road, Burgess Hill, RH15 9DE | | Map & Directions |
| Torque Systems Ltd | 01293 822820 | | 24 Brighton Road, Salfords, Redhill, RH1 5BX | | Map & Directions |
| Jap Tech Ltd | 01293 851222 | | Unit 3 Peartree Business Centre, Grouse Road, Colgate, Horsham, RH13 6HT | | Map & Directions |
| Auto Europe Ltd | 01293 863777 | | Unit 10B, Betchworth Works, Ifield Road, Charlwood, Horley, RH6 0DX | | Map & Directions |
| Road Radio Ltd | 01403 260090 | | 31 Springfield Road, Horsham, RH12 2PG | | Map & Directions |
| Select Auto Systems | 0800 071 9800 | | 21 Ringwood Avenue, Redhill, RH1 2DY | | Map & Directions |
| Torque Systems | 01293 518333 | | Unit 7, Rutherford Way, Rutherford Way Industrial Estate, Crawley, RH10 9LN | | Map & Directions |
| Sound City Haywards Heath Ltd | 01444 474444 | | 38 Sussex Road, Haywards Heath, RH16 4EA | | Map & Directions |
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