Zimmerman

World’s largest grain dryer manufacturer.

Zimmerman Grain Dryers, a division of The GSI Group, LLC, is headquartered in a modern 900,000 square foot facility in Assumption, IL. As the world’s largest grain dryer manufacturer, The GSI Group is dedicated solely to the design, manufacturing, and servicing of grain drying and conditioning equipment. Zimmerman’s proven industry leadership is traced to the engineering of a quality product utilizing premier components, assembled by the most experienced field technicians, and continuing service by the highest qualified service technicians in the grain drying industry. This combination provides the “Proven Value-Added Factor” offered only by the industry leader, Zimmerman Grain Dryers.

Commercial Grain Drying and Conditioning

Zimmerman Tower Dryers were first conceived by Walter Zimmerman of Litchfield, IL in 1963. The same concepts that have made these dryers so successful over the last 40 plus years continue today, processing the industry’s highest capacities.