Select Comfort is a Minneapolis, Minnesota-based manufacturer and retailer of unique air chamber mattresses. It delivered net sales of $458 million in 2003, has 2,500 employees, 26 U.S.-issued or pending patents and more than 50,000 customer testimonials. Independent clinical studies have verified many of the claims made by the Customer Testimonials, including back pain relief, improved restorative sleep, increased energy and more. Select Comfort has been ranked the number-one bedding retailer in the United States by Furniture/Today for the last five years. Read case study .