Established in 1983, Kirby Smith Machinery Inc. is one of the leading construction and heavy equipment dealers in the United States. Based in Sappington, Mo., its product offering includes cranes, excavators, dozers, pavers, boom trucks, backhoe loaders and other heavy equipment. In addition to rendering equipment services, the firm provides equipment parts for sale as well as offers equipment on a rental basis. Kirby Smith Machinery Inc. serves customers in the construction, earth-moving, paving, material handling, compaction and demolition sectors..