Post 200 The guide to the region's top businesses

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(Courtesy of TASC)

Private companies


The company, spun off from Northrop Grumman in 2009, provides technical services such as systems engineering, test and evaluation and cybersecurity to the Defense Department, the intelligence community and civilian agencies. In 2011, Wood Parker stepped down as president and chief executive, and David Langstaff, former chief executive of Veridian, took over. TASC also bought Annapolis Junction-based TexelTek, meant to provide additional cloud computing and cybersecurity capabilities.


TASC’s chief executive is chairman of This I Believe, an educational group that publishes essays people write about their guiding values.

4805 Stonecroft Blvd.

Chantilly Va., 20151


President and CEO: David Langstaff

Revenue: $1500000

Employees (local): 4567 (3186)

NOTE: Our methodology for the rankings.