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637 W Highway 50 O'Fallon, Illinois 62269 Joseph Knox 618-623-0266 http://www.copioustech.com/
PO Box 67 Troy, Illinois 62294 Mike Buchanan 618-667-0177 http://www.mdbelectronics.com/
15 Executive Dr., Suite 6 Fairview Heights, Illinois 62208 Rob Smith 618-394-1144 http://www.passsecurity.com/