0812 - Activities of gravel and sand quarries extraction of clay and kaolin - 4629 Manufacturers List

081211 - Natural sands - 352 Turkish Manufacturer
081212 - Gravel pebbles and crushed stone for concrete and road aggregates - 4027 Turkish Manufacturer
081213 - Mixtures of slag and similar industrial waste products used in construction (mixed or not) - 77 Turkish Manufacturer
081221 - Kaolin and other kaolinic clays - 84 Turkish Manufacturer
081222 - Other clays, andalusite, kyanite, and sillimanite; mullite (pure porcelain), chamotte (refractory clay) - 89 Turkish Manufacturer