MSI is one of the largest surface distributors in the U.S., offering quartz, porcelain, granite, marble, and quartzite slabs known for durability, design variety, and consistent quality. With trusted collections like Q™ Premium Natural Quartz and Stile® Porcelain, MSI delivers high-performance surfaces across residential and commercial projects.

Browse our full selection of MSI slabs available to GoSource members at exclusive trade pricing.