- National Masonry Limited provides tools, machinery and accessories to all stone industries nationwide including Quarries and those working in Granite, Marble and Sale producing such as Memorials, Worktops and Fireplaces. Our range exceeds over 1500 items and includes masonry machinery such as Cutting and Polishing Machinery, Fergosti Face Polishing Machinery, Jigsaws and Cobalm Dust Extraction ...www.nationalmasonry.com