Aerojet Rocketdyne Holdings, Inc., formerly GenCorp, Inc., is an American technology-based manufacturer based in El Segundo, California. Established in 1915, it was formerly known as the General Tire and Rubber Company, becoming GenCorp in 1984, and adopting its current name in April 2015.

Traded as:           NYSE: AJRD; S&P 600 Component

Industry:              Aerospace, defense, and real estate

Predecessor:     General Tire and Rubber Company

Founded:            Akron, Ohio, United States (1915)

Founder:             William F. O’Neil

Headquarters:   El Segundo, California, United States of America

Brands:                 Aerojet Rocketdyne, Easton Real Estate

Website:              www.aerojetrocketdyne.com