Spring Air Company
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This article is about the mattress company. For the Chinese airline, see Spring Airlines.
Spring Air Company is a mattress company based in the United States. It was founded in Chicago in 1926 when Francis Karr patented a mattress design with free-end coils. Because of the heavy weight, high transportation costs, and low value per unit weight of mattresses, they are often manufactured locally. The company is thus a licensing organization, with local licensees manufacturing the mattresses under a common name for national marketing. Like a cooperative, the licensees own the Spring Air name. Spring Air has factories across the world.[1]
As of 2006[update], it is the fourth largest US brand of mattresses (behind Sealy, Serta, and Simmons). It is based in Elk Grove Village, Illinois.