Corning Incorporated is an American multinational technology company that specializes in specialty glass, ceramics, and related materials and technologies including advanced optics, primarily for industrial and scientific applications. The company was named Corning Glass Works until 1989. Corning divested its consumer product lines in 1998 by selling the Corning Consumer Products Company subsidiary to Borden. As of 2014, Corning had five major business sectors: display technologies, environmental technologies, life sciences, optical communications, and specialty materials. Corning is involved in two joint ventures: Dow Corning and Pittsburgh Corning. The company completed the corporate spin-offs of Quest Diagnostics and Covance in January 1997. Corning is one of the main suppliers to Apple Inc. Since working with Steve Jobs in 2007, to develop the iPhone; Corning develops and manufactures Gorilla Glass, which is used by many smartphone makers. It is one of the world's biggest glassmakers. Corning won the National Medal of Technology and Innovation four times for its product and process innovations. Corning continues to maintain its world headquarters at Corning, N.Y. Wikipedia