 HERNDON, Va.--BUSINESS WIRE--Beacon Nasdaq: BECN announced today that it has been recognized for a third year as a National Preferred Partner by David Weekley Homes, one of the United States largest privately-held home builders. The evaluation process involves a comprehensive system that enables David Weekley Homes to measure excellence among its partners. Providers that receive the highest scores throughout the year are presented with the prestigious National Preferred Partners Award. A t 