Custom Stone Interiors, Inc. (CSI) is a retail and wholesale fabricator delivering inspiring designs in custom countertops in Central Pennsylvania. We invite you to explore our website and learn why we are central PA’s premier countertop fabricator. From the smallest residential project to large commercial projects we can meet any design requirement at a reasonable cost. From Granite to Marble to Quartz, we carry the largest selection of Natural Stone and Engineered Stone products in Central PA. Explore our website and learn why kitchen and bath professionals, architects, cabinet manufacturers and general contractors choose CSI as their fabricator of choice for custom surface applications. Complete customer satisfaction is our goal on every project we’re involved with. We will accept nothing less. Guaranteed! Our mission is to be the countertop fabricator of choice in Central Pennsylvania. We fabricate and install the highest-quality stone, quartz and composite materials of a vast selection while striving to surpass our clients expectations.