 Four of the 11 Colombian plants are located in the northern area of Colombia and are dedicated to export, while for domestic demand there are 7 plants located in the Departments of Antioquía, Cundinamarca, Valle, Boyacá, and Santander.While Colombia is where Argos produces the most cement, the United States is where Argos has its largest concrete production capacity (8.9 million cubic meters per year).There are 134 concrete production plants and 1,350 mixers.