Aaron Equipment has a large inventory of process equipment built by De Dietrich. Aaron's inventory of Columns,Dryers - Drying Equipment,Feeders,Filters,Glass Lined Equipment,Mixers,Complete Plants,Reactors and Tanks. If you are looking to buy machinery from De Dietrich submit a request for quote online and if you are looking to sell your used De Dietrich equipment submit a request online or contact Michael Cohen at 630-238-7480.