Trading company, GRANDEMAR S.A. is a joint-stock company whose main object of activity is extraction, production and selling of quarry aggregates.
GRANDEMAR S.A holds a special place amongst the producers of building materials in Romania. Its quarries are placed in the center of Transylvania where the bases of industrial extraction and processing of building stone were established, beginning with 1873 by opening Poieni Quarry under private patronage.
GRANDEMAR S.A.'s registered office is located in Cluj-Napoca and the production activity takes place as such: in three major quarries in Cluj County: Poieni, Bologa and Morlaca, in other two quarries, smaller in extent and capacity: Valea Lungii and Bologa-Henț, and another quarry in Sălaj County: Moigrad.
The products meet the requirements of standards SR EN 13450:2003, SR EN 12620+A1:2008, SR EN 13043:2003, SR EN 13242+A1:2008, SR EN 13383-1:2003, the company having implemented and certified The Integrated Management System of Quality according to EN ISO 9001:2015, The Integrated Management System of Environment according to ISO 14001:2015 and The Integrated Management System of Occupational Health and Safety according to SR EN ISO 45001:2023.