About Cornerstone

Cornerstone Marketing Group, LLC is partnered with some of the strongest producers of quarried stone in the US and Canada. We provide a superior supply chain committed to making our customers and everyone partnered with us a link in our success. Our mines and minerals experience works to generate new prosperity and benefits for our customers by providing superior stone products, basic geological information, and service in an exceptional and consistent fashion.

We have collected, analyzed, and studied valuable information about the mining and mineral industries, as well as specific information about the quarries from which we purchase stone. The team of Cornerstone has consulted with producers, developers, geologists, mining professionals, and mineral experts to bring you the best products for dimension stone (construction, architectural and funerary stone), decorative stone (natural, crushed, river rock, boulders, slabs), and specialty stone (architectural aggregate, character boulders, pond mixture, cobblestone, flagstone, steppers, outcropping, retaining walls, waterfall stone, gabion stone, decorative rip rap, flooring, cladding, counter tops, curbing, furniture, exposed aggregate patio products) in all of North America.

Today, we have 250 quarries to supply a wide selection of over 2500 US and Canadian stone products. So whatever the application, hue or type when design plans call for any stone, from basic to highly decorative and highly aesthetic, Cornerstone Marketing is your solution.