Deister Machine Company

Deister Machine Company, founded in 1912, is a family-owned leader in custom aggregate sizing equipment, specializing in high-performance vibrating screens and feeders for the mining, quarrying, and ore processing industries worldwide. With strong, long-standing relationships with industry giants such as Martin Marietta, Vulcan Materials, and Hanson Building Materials, the company delivers precision-engineered solutions that enhance material throughput and product quality. Leveraging four generations of expertise, Deister continuously invests in advanced manufacturing and information-technology platforms to stay at the forefront of innovation and maintain its reputation for reliability and customer-centric service. Operating six facilities in the Fort Wayne area, the company also prioritizes local economic development and community engagement through charitable and cultural initiatives.