Select Comfort Corporation develops, manufactures, markets, and distributes adjustable-firmness beds and other sleep-related accessory products in the United States and Canada. It offers mattresses under the Sleep Number brand name. The company also provides a line of accessory bedding products, including specialty pillows, mattress pads, comforters, sheets, bed foundations, and leg options. In addition, the company markets a group of comforters and blankets under the brand name Personal Warmth Collection; and Precision Comfort, an adjustable foundation that enables consumers to raise the head or foot of the bed, as well as to experience the comfort of massage, using a handheld remote control. Further, it provides home delivery, including bed assembly and mattress removal services. The company distributes its products through retail, direct marketing, and e-commerce channels primarily to end users, home furnishings retailers, and specialty bedding retailers. As of January 3, 2009, it had 471 company-owned stores and 801 retail partner doors. The company was founded in 1987 and is headquartered in Minneapolis, Minnesota.