Vitromex Our ceramic floor and wall coverings division, operating through our brands: Vitromex®, Arko® and Construpiso® offers a wide range of designs and products, to create unique spaces. As a result, GIS has become one of the leading businesses in the coverings industry, with more than 20% share of the Mexican market. We have recently introduced over 45 new models to our portfolio, from a wide range of materials (porcelain and ceramic). Each model meets the highest standards required by GIS to provide the most reliable and recognized product for the market. With over 45 years of experience, operating plants located in: Saltillo, Coahuila; San Jose Iturbide; Guanajuato; Chihuahua, Chihuahua; and San Luis Potosi, S.L.P, we fulfill Mexican market needs, and through our distribution center in Texas, USA, we have presence in the US market. Our operations comply ISO-9001:2000 standard. As a result, we have been recognized by the Tile Council of North America (TCNA) as providers of “genuine porcelain”, and as a socially responsible company “ESR” for its acronym in Spanish.