Registration Control Systems, also known as RCS, has been providing trade show registration services since 1971. The company maintains a staff of more than 50 full-time employees that offers reporting and data management services. It provides electronic registration services to associations, show managers, exhibitors and attendees. Registration Control Systems serves trade shows with up to 120,000 attendees. It operates an event enhancement system that matches attendee's requirements with the exhibitor s products. The company provides database list rental, marketing and promotional services. It offers a range of electronic sales lead collection and retrieval systems. The company provides interactive multimedia information system that offers touch screen, video and sound interface. It additionally offers credit card processing, ticketing management and training services. Registration Control Systems is located in Ventura, Calif.