International Granite and Stone - Clearwater Tampa Bay's official Cambria® Quartz premier dealer and indoor showroom of Cambria Quartz Countertops. View full slabs of Cambria Quartz and Exotic Granite Slabs. IGS Clearwater is your local source for Cambria Quartz and Luxury Countertops. Get Samples, Pricing and More. At IGS Countertops, we fabricate and install all brands of Quartz Countertops, Granite Countertops, and all Natural Stone including Marble, and Quartzite Countertops. Other services we provide include Tile Backsplash Installation, Plumbing, Electrical, and Construction Services. We are the Countertop Installer in Florida with a General Contractor's License, to cater to all your kitchen and bathroom remodeling needs.