Established in 1914, Ziegler Inc. is one of the largest Caterpillar dealers in the United States. Based in Sioux City, Iowa, the firm offers an assortment of products, such as Cat equipment, generators, and ruck engines, to name a few. Additionally, it also sells and supports Challenger, LEXION, Ag-Chem, Sunflower, and White Planters agricultural equipment. Ziegler Inc. serves customers in heavy, general, utility, highway, building construction as well as governmental, mining, forestry, agriculture, landscaping, nursery, transportation and agriculture industries.