Rocketdyne
The Rocketdyne Division was founded by North American Aviation (NAA) in 1955, and was later part of Rockwell International (1967-1996) and Boeing (1996-2005). In 2005, the Rocketdyne Division was sold to United Technologies Corporation, becoming Pratt & Whitney Rocketdyne as part of Pratt & Whitney. In 2013, Pratt & Whitney Rocketdyne was sold to GenCorp, which merged it with Aerojet to form Aerojet Rocketdyne.
Teledyne Controls
In 1964, Teledyne Industries, Inc. purchased Servomechanisms Inc., which became Teledyne Systems Company, Controls Systems Division, located in El Segundo, California. In 1971 the Controls Systems Division broke away from Teledyne Systems and became Teledyne Controls. In 1996, Teledyne Industries, Inc. merged with Allegheny Ludlum Steel forming a new corporation called Allegheny Teledyne, Inc. In 1999, Teledyne spun off from Allegheny and became Teledyne Technologies, Inc. Teledyne Controls is part of the Aerospace and Defense Electronics business segment.