Specialist Stone Kitchen Worktop Fabricators: Mgm Worktops Ltd Worktops, Tiling and Cladding Services in natural and man-made stone. Materials We Cut: Granite, Marble, Quartz, Porcelain, Quartzite, Slate, Limestone, Onyx, Dekton, Lapitec Our showroom and worktop fabrication unit is based in Harlow, Essex, and perfectly placed to provide all natural stone and engineered stone products to homes and business throughout Essex, Hertfordshire, Cambridgeshire, London and surrounding areas.