The key ingredients of ready-mixed concrete and many concrete products are sand, gravel, and crushed stone. CalPortland provides aggregates for a broad range of construction from the simplest applications to projects with specialized high-performance characteristics. Our expertise in logistical management enables us to distribute high strength aggregates throughout our network when high performance is required. We also specialize in providing full lines of graded stone in various sizes, as well as concrete sand, masonry sand, and gravel.