USA Quartz produce quartz slabs in a variety of colors, styles and sizes and offer the SUPER-JUMBO sized slab (72 sq ft) in t ... he United States. Quartz slabs can be customized for each order and can include your companies logo. All USA Quartz sales are backed by a 10 year warranty. Call : 1-833-USA-SLAB Mail : sales@usa-quartz.com read more