CHICAGO--(BUSINESS WIRE)--SmithBucklin, the association management and services company more organizations turn to than any other, is pleased to announce that two of its client organizations’ shows are featured on the Top 50 Fastest-Growing Trade Show list compiled by the Trade Show News Network (TSNN). “The Top 50 fastest-growing show winners were chosen by their show’s growth rate between 2012-2014 in attendance and net square footage,” said TSNN President and Editor-in-Chief Rachel Wimberly.