DALLAS/FORT WORTH, TX — During the January Market held in Dallas/Fort Worth, TX, American Tile & Stone (ATS) named World Sales Group (WSG) of Dallas, TX, its vendor of the year for 2014. World Sales Group supplies American Tile, a Berkshire-Hathaway Co., with porcelain tile, glass mosaics and stone mosaics through a number of their partner factories. WSG and ATS have had a business relationship that stretches almost 10 years. Don Koesling of American Tile & Stone presented the prestigious award to Ross Kawamoto and Jerry Stone, partners in World Sales Group.