Founded in 1959, Schnabel Foundation Company is a foundation engineering and construction company. Based in Sterling, Va., the company designs and constructs earth retention systems and specialized foundations. It offers excavation support system, landslide walls and slope stabilization, tiebacks, micropiles and permanent retaining walls. Schnabel Foundation Company has completed numerous projects, including 4th Avenue Jail, Sacramento City Hall, Sunrise Park, Raleigh Convention Center and Phelps Dodge Tower. The company was a recipient of the O. Ingberg Award from the DC Metropolitan Subcontractors Association.