NEWARK, Del.--(BUSINESS WIRE)--Strategic Diagnostics Inc. (Nasdaq:SDIX) - today announced that it has sold its RapidChek® Listeria and RapidChek® SELECT™ for Salmonella test platforms to three major food processors with an estimated, combined annual value in excess of $800,000 per year. Product has started to ship in the current calendar quarter. As is common in the industry, no additional customer specifics are being released.