Illinois Lumber & Material Dealers Association ILMDA is a 135-year old association that serves the best interests of owners and operators of the independently-owned retail lumber dealers in Illinois. ILMDA EXPO 2024 Information Springfield - May 8-9 2024 Estimating Training Online Training for New Employees Six Online Training Modules Access many ILMDA benefits at the iLumber Mall Knowledge Central Federated Insurance Events Dec 5-6, 2023, IL ILMDA Christmas Board Dinner and Board of Director's Meeting Springfield, IL Feb 15, 2023, IL Springfield, IL ILMDA Expo