Sto SE & Co. KGaA specializes in products and systems for building coatings. It operates through the following segments: Facade Systems, Facade Coatings, and Interiors. The Facade System segment combines external wall insulation systems and rain screen cladding facade systems. The Facade Coatings segment provides external render and pain systems. The Interiors segment supplies plaster and pain systems for home and office interiors, decorative coatings, interior claddings, and acoustic systems for regulating sound. It also involved in the manufacture and sale of floor coatings and products for concrete repair. The company was founded by Anton Gaeng in 1835 and is headquartered in Stuehlingen, Germany.