 95% of the company's business was military-related.Company headquarters as well as its main production lines were located at 12500 Aviation Blvd., Hawthorne, California.In 1964, Teledyne Industries, Inc. purchased Servomechanisms, Inc., which became Teledyne Systems Company, Controls Systems Division, having its office relocated at 200 North Aviation Blvd., El Segundo, California.