At the Keystone International Holdings companies throughout the Americas, over 7000 modems are being tested for customer suitability each and every day. Why would Cable, DSL and Wireless Internet Providers as well as Modem Manufacturers alike need such a service? The answer is simple, our customers must do everything within their power to keep the ever growing base of High-Speed Internet users satisfied with their internet service. By utilizing the High Volume Modem Screening (HVMS) System developed by our Affiliates our service centers are able to do this on a scale and at a speed never seen before utilized and we can easily, and affordably provide this low cost service for our customers.