Founded in 1883, Sturtevant is an early pioneer in size reduction, jet milling, micronization and air classification. Sturtevant, Inc. is the leading family-owned manufacturer of material processing equipment including its patented Micronizer® jet mill which produces sub-micron sized particles, Powderizer, an air-swept impact mill with integral classifier, Simpactor and Infestroyer, centrifugal, pin-type impact mills and three types of high performance air classifiers that separate fine and coarse particles with precision and accuracy.