More than 8 000 pet store owners, managers, distributors, boarding kennel operators, grooming professionals, mail order catalogue companies and speciality gift store owners are expected to attend the 20th annual Pet Industry Spring Trade Show and Educational Conference, May 16-18, at the Convention Center in Baltimore. Approximately 500 pet supply manufacturers and distributors in 900 booths will feature the latest innovations for pets of all types. New to the Backer trade show floor this year is the All-Natural area – bringing together approximately 35 exhibitors featuring a wide variety of all-natural and holistic products.