Alliant Techsystems Inc., most commonly known by its ticker symbol, NYSE: ATK, is one of the largest aerospace and defense companies in the United States with more than 18,000 employees in 22 states, Puerto Rico and internationally, and 2010 revenues in excess of an estimated US$4.8 billion. The company was previously headquartered in Minneapolis, and announced that it would relocate its headquarters to Arlington, Virginia in October 2011. ATK was formed in 1990 as a subsidiary of Honeywell Inc. as part of Honeywell's plan to exit the defense industry. Under the plan, Honeywell's defense... businesses were transferred to ATK which was then spun off to Honeywell stockholders as a separate company. In 1995 ATK entered the aerospace market with the acquisition of Hercules Inc. Aerospace division. Since then ATK has grown to become a leading supplier of aerospace and defense products to the U.S. government and its allies, and to prime contractors. ATK is also a major supplier of ammunition and related accessories to law enforcement agencies and commercial customers. ATK was the sole manufacturer of the reusable Solid Rocket Motor used to launch the NASA Space Shuttle.
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| NYSE symbol: | ATK |
| Founded: | 1990 |
| Headquarters: | Edina, Minnesota |
| Annual revenue: | $4,583,220,000 |
| Net income: | $155,120,000 |
| Operating income: | $384,460,000 |
| Market cap: | $3,800,000,000 |
| Employees: | 17,000 |
| Industries: | Guided Missile and Space Vehicle Manufacturing, Aerospace, Arms Manufacturers |