Brevetti Montolit S.p.A., Ceramiche Atlas Concorde S.p.A., Ceramiche Refin S.p.A., Ceramiche Settecento Valtresinaro S.p.A., Gold Art Ceramica S.p.A., Grespania S.A., Happy House S.r.l., Herberia S.p.A., Kiesel Bauchemie GmbH., Mosaic Miro Production.