Located in Lancaster Pennsylvania, AEI has been a leader in the design and manufacture of material processing equipment since 1950. We specialize in the most demanding screening applications. AEI has gained the reputation for designing and manufacturing quality material processing equipment and systems for the aggregate, mining, scrap, composting, power generation and waste industries. From a turnkey engineered system to a single piece of equipment, AEI is backed by experienced professionals to provide guaranteed customer satisfaction.