CORPORATE OVERVIEW
Business Structure
ATK conducts its operations within three business groups: ATK Armament Systems, ATK Mission Systems, and ATK Space Systems.

ATK Armament Systems
ATK Armament Systems is the largest ammunition manufacturing entity in the world, supplying both military and commercial products, and an operator of military ammunition plants. The group has approximately 8,500 employees.
ATK Mission Systems
ATK Mission Systems is a leading supplier of precision systems, aerospace structures, Intelligence, Surveillance, and Reconnaissance (ISR) programs, and electronic warfare. The group has approximately 4,300 employees.
ATK Space Systems
ATK Space Systems is the world's top producer of solid rocket propulsion systems, a leading provider of small and micro-satellites, satellite components and subsystems, missile defense and strategic missile propulsion, a leading producer of lightweight space deployables and solar arrays, a leader in low-cost, quick to market, launch solutions, a leading supplier of engineering and technical services, and has extensive experience supporting human and space payload missions. The group has approximately 6,400 employees.
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