Sperry Marine is a ivision of Northrop Grumman. The company manufactures many types of marine equipment such as marine radars, gyrocompasses, and navigation equipment. Sperry Marine was formed in 1997 from three well-known brand names in the marine industry - Sperry Marine, Decca Radar, and C. Plath. Sperry Marine was acquired by Litton Industries in 1996, followed by the Racal-Decca marine electronics business unit in 1997. They were combined with another Litton company, C. Plath, to create a single integrated worldwide supplier of navigation, communication, information and automation systems for commercial marine and naval markets. Northrop Grumman acquired Litton Industries in 2000.