Building Product Manufacturer: Facade Insulation, Rainscreen Cladding, Paints, Plasters, Acoustic Systems, Concrete Restorati ... on and Floor Coatings. Sto SE & Co. KGaA is an internationally operative group of companies with roots back to 1835, although it officially started trading in 1962. With an enviable reputation as international market leaders in core product areas, Sto SE & Co. KGaA is known for exceptional quality, innovation and a sustainable approach to manufacturing. read more