Digi-Key is a privately held American company that distributes electronic components. Headquartered in Thief River Falls in the U.S. state of Minnesota, the company is the fourth largest electronic component distributor in North America and the fifth largest electronic component distributor in the world. Founded in 1972 by Ronald Stordahl, its name is a reference to the "Digi-Keyer Kit", a digital electronic keyer kit that he developed and marketed to amateur radio enthusiasts. He continues to privately own the company.