Stone Group International is a vertical integrated group of extraction, processing and distribution companies and one of the greatest white marble exporters in Europe. Its history spans nearly 4 decades of trusted collaborations in more than 80 countries across all continents. Its international activities are being supported by 4 top of the notch factories, located in Thessaloniki, Drama and Veria and its 8 privately owned quarries, employing more than 530 employees.