Indianapolis, Ind. — Feb., 2016: This past week at the 2016 WWETT Show, Source One Environmental (S1E) held a strong presence with a 40' x 40' booth and the launch of several new product lines. The 2016 WWETT Show was held at the Indianapolis Convention Center Feb. 17 - Feb. 20. Attended by over 14,000 environmental service professionals and exhibitor personnel from 53 countries, the WWETT Show is the largest annual trade show of the year.