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Company NameHQ LocationYear Est.EmployeesRevenueLocationsGovt. Clients
Visionary Integration ProfessionalsAlexandria, Virginia1996UnknownUnder $100 million91
Yoh, a Day & Zimmermann companyPhiladelphia, Pennsylvania190110,000+$100 million to $750 million91
AboutWeb LLCRockville, Maryland199826-100Unknown86
Advanced Concepts Information Technology Solutions, an L-1 Identity Solutions companyStamford, Connecticut1989101-500Unknown86
Arena Technical ResourcesBethesda, Maryland2002<25Under $100 million81
Chugach Alaska CorporationAnchorage, Alaska19725,000-10,000$750 million to $1 billion82
COLSA CorporationHuntsville, Alabama1980501-2,000$100 million to $750 million89
Data Systems Analysts, IncFeasterville Trevos, Pennsylvania1963101-500Under $100 million86
Invertix CorporationMcLean, Virginia199826-100Under $100 million88
Libraries Associates CompaniesLos Angeles, California198626-100Under $100 million88
Mission Essential PersonnelColumbus, Ohio2004101-500Under $100 million81
Pluribus International CorporationAlexandria, Virginia200426-100Under $100 million86
Robert Half TechnologyMenlo Park, California194810,000+$1 billion to $10 billion81
Rockwell Collins, Inc.Cedar Rapids, Iowa193310,000+$1 billion to $10 billion85
Schafer CorporationArlington, Virginia1972UnknownUnknown810
Sycamore.USFrederick, Maryland1996101-500Unknown81
SymantecCupertino, California198210,000+$1 billion to $10 billion81
Tsource, LLCNew Market, Maryland200326-100Under $100 million85
Varen TechnologiesColumbia, Maryland200526-100Under $100 million83
ABSi CorporationRockville, Maryland199526-100Unknown71
AecomLos Angeles, California197010,000+$1 billion to $10 billion73
ANSERArlington, Virginia1958501-2,000$100 million to $750 million712
ARINCAnnapolis, Maryland19292,001-5,000$1 billion to $10 billion79
A-T Solutions, Inc.Fredericksburg, Virginia2002101-500Unknown712
Avaya Inc.Fairfax, Virginia200010,000+$1 billion to $10 billion712
Blackstone Technology GroupSan Francisco, California1998101-500Unknown75
Catapult Technology LtdBethesda, Maryland1996501-2,000Under $100 million74
Clearbridge Technology GroupChelmsford, Massachusetts2005<25Under $100 million71
CPSIBaltimore, Maryland1985101-500Under $100 million73
Criterion Executive SearchTampa, Florida1981<25Under $100 million71
DisysChantilly, Virginia1994501-2,000$100 million to $750 million73
Dunhill Staffing SystemsWilmington, North Carolina2001<25Unknown71
Dynetics, Inc.Huntsville, Alabama1974501-2,000$100 million to $750 million710
ENSCO, Inc.Falls Church, Virginia1969501-2,000$100 million to $750 million77
EOIR Technologies, Inc.Fredericksburg, Virginia1981101-500Under $100 million77
Femme Comp IncorporatedChantilly, Virginia1979101-500Under $100 million79
Forfeiture Support Associates, LLCAshburn, Virginia2003501-2,000Under $100 million77
Global Defense Technology & Systems, Inc. (GTEC)McLean, Virginia1990501-2,000$100 million to $750 million710
Honeywell, Inc.Morristown, New Jersey188510,000+$10 billion to $50 billion79
HTA Technology Security ConsultingChicago, Illinois200126-100Unknown72
iBASEtFoothill Ranch, California1986101-500Under $100 million76
Innovative Information SolutionsLeesburg, Virginia2004<25Under $100 million73
Inscope SolutionsReston, Virginia200326-100Under $100 million710
Integrity Applications IncorporatedChantilly, Virginia1998101-500Unknown77
Intelligent Solutions, Inc.Boulder, Colorado1992UnknownUnknown72
Keane Federal Systems, Inc.McLean, Virginia196510,000+Unknown711
MPRI, an L-3 Communications CompanyAlexandria, Virginia1987UnknownUnknown710
MRINetwork Ultimate Placements, LLCWadsworth, Ohio2002<25Under $100 million71
NBS EnterprisesLeesburg, Virginia2003<25Under $100 million71
NEK Advanced Securities Group, Inc.Colorado Springs, Colorado2002101-500Unknown78

This project was last updated in September 2010. Data is accurate as of that date.
"Top Secret America" is a project nearly two years in the making that describes the huge national security buildup in the United States after the Sept. 11, 2001, attacks. | Read More »

More than a dozen Washington Post journalists spent two years developing Top Secret America. | See the details »


Top Secret America on Frontline

A short video from PBS’s FRONTLINE on The Post’s two-year investigation. An hour-long documentary film is forthcoming. Watch the trailer »

The reporters

Dana Priest

Investigative reporter Dana Priest has been The Washington Post's intelligence, Pentagon and health-care reporter. She has won numerous awards, including the 2008 Pulitzer Prize for public service for "The Other Walter Reed" and the 2006 Pulitzer for beat reporting for her work on CIA secret prisons and counterterrorism operations overseas. She is author of the 2003 book, "The Mission: Waging War and Keeping Peace With America's Military, (W.W. Norton).

William M. Arkin

William M. Arkin has been a columnist and reporter with The Washington Post and since 1998. He has worked on the subject of government secrecy and national security affairs for more than 30 years. He has authored or co-authored more than a dozen books about the U.S. military and national security.

Project Credits

Stephanie Clark, Ben de la Cruz, Kat Downs, Dan Drinkard, Anne Ferguson-Rohrer, Justin Ferrell, David Finkel, Jennifer Jenkins, Robert Kaiser, Laris Karklis, Jacqueline Kazil, Lauren Keane, Todd Lindeman, Greg Manifold, Jennifer Morehead, Bonnie Jo Mount, Larry Nista, Ryan O’Neil, Sarah Sampsel, Whitney Shefte, Laura Stanton, Julie Tate, Doris Truong, Nathaniel Vaughn Kelso, Michael Williamson, Karen Yourish, Amanda Zamora.

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