Located in Sainte Genevieve, Miss., Tower Rock Stone Company produces approximately 7,500,000 tons of stone annually. It is an affiliate of Luhr Bros, which is one of the largest general contracting companies in the United States. Founded in 1938, the parent company operates a fleet of cranes, dozers, scrapers, draglines, towboats and hydraulic excavators. It specializes in levee building, stone placement, dredging, cofferdam construction and excavating services. Luhr Bros also offers stone delivery and unloading services. The parent company provides project planning and basement installation solutions. In addition, it operates stone material yards in Lafayette, Lake Charles, New Orleans and Baton Rouge in Louisiana under the name Construction Aggregate Supply.