Since 1900, Graniterock has provided the California construction industry with quality materials and products for building the perfect infrastructure job, whether that's a major highway, airport runwa...
Since 1900, Graniterock has provided the California construction industry with quality materials and products for building the perfect infrastructure job, whether that's a major highway, airport runway or bridge. We are experts in asphalt, concrete, base rock, green building and heavy civil engineering construction services. Graniterock People say "Yes, we will" when asked to meet any customer's needs.