Orbital ATK
Defense and Space ManufacturingVirginia, United States1001-5000 Employees
Orbital ATK operates in defense and space manufacturing, drawing on the heritage of Orbital Sciences Corporation and ATK. The company has a long history of delivering space-related systems and pursuing commercially driven products and services aimed at expanding access to space, including early work such as NASA's Transfer Orbit Stage. This background positions it as a supplier to government space programs and related commercial markets, emphasizing dependable and affordable space hardware. Based in Dulles, Virginia, it operates in the broader defense and space sector with a mid-sized footprint. Orbital ATK traces its roots to the collaboration of Orbital Sciences and ATK, with a merger announced in 2014 and completed in 2015, followed by its acquisition by Northrop Grumman in 2018.