The viaLink Company (NasdaqNM:VLNK) today announced that The Earthgrains Company will expand its use of viaLink's syncLinkSM technology to synchronize item, price and promotion data with its trading partners. Earthgrains, the second-largest packaged bread and baked goods producer in the United States, was one of four food companies to participate in scan based trading during a successful Grocery Manufacturers of America pilot this spring that utilized viaLink's syncLink service.