Chadmark Associates provides visual communication solutions.  With over 15 years of electronic display experience under our belts, you can be sure that we will get the product that's right for you.  A lot in the industry has changed in the recent past including more software flexibility, higher efficiency led's, and faster controllers. At Chadmark.com we will keep you up to date.     New Alpha 9000 Series Check out this exciting new 4 line  indoor LED display. New Alpha Eclipse Outdoor One and two line outdoor LED displays  in several configurations. NEW Alpha Active X Sign Control Now you can communicate to your Alpha Display Network from any ActiveX compatible software application NEW ALPHA Time & Temp Display