Sto Corp. is the North American arm of Sto SE & Co. KGaA (Germany), specializing in wall claddings, exterior insulation and finish systems (EIFS), air and moisture barriers, coatings, and concrete restoration products. Their product range includes StoTherm continuous-insulation wall systems, StoGuard fluid-applied air and water barriers, Stolit and Sto textured finish coats, and the StoCrete line of concrete repair mortars. Headquartered in Atlanta, Georgia, Sto Corp. serves commercial, institutional, and residential construction across the United States and Canada.