The origins of Group Ingemargo back to March 1952 when âIndustria General de Mrmolesâ (IngemarS.A.) (General Industry of Marbles) , was founded by Mr LucasAranzamendi Ruiz, in Guipzcoa, Spain. Initially the companystarted its activities processing materials extracted from theirown marble quarries, like Negro Marquinas quarry which is situatedonly 60 Km from our plant in Usurbil, and already in the year of1959, the transformation of granite started. It was from thatmoment that the Group of Companies developed in an astonishingfashion and today it can be considered as one of the main producersof granite / natural stone at world level.