MSI Seattle features over 7,500 sq. ft. state of the art showroom for flooring and wall tile and a separate 15,000 sq. ft. dedicated slab selection showroom. The slab showroom has enhanced lighting displaying over 300 colors of granite, marble, quartz and other natural stone slabs. MSI Seattle features 75,000 total sq. ft., approximately 150 truckloads of inventory, and over 5,500 slabs of granite countertops. MSI is one of the largest Seattle grante and Seattle granite countertop suppliers.