KS-QUADRO Bausysteme GmbH develops building systems of good value made of sand-lime brick, in particular KS-QUADRO. It is the owner of the exclusive trademark rights to KS-QUADRO, KS-QUADRO E and Quadro. It grants licenses for the use of the trademark to its licensees and assists with sales promotion measures. Licensees manufacture and market large-scale sand-lime brick building systems under the label KS-QUADRO in Germany and neighboring European countries.