National Stoneworks is an Affiliate of Atlanta Marble MFG in business since 1970 in Decatur, GA. We are one of the largest importers of granite, marble and quartz, supply and installation contractors in the Southeast with several locations. We also provide vanity wood bases, Silestone, Caesarstone and Cambria Quartz products. We provide Countertops and tubsurrounds for the multi-family and hotel industry.