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Company NameHQ LocationYear Est.EmployeesRevenueLocationsGovt. Clients
AdministaffKingwood, Texas198610,000+$1 billion to $10 billion103
AdobeSan Jose, California19825,000-10,000$1 billion to $10 billion21
ADT Security Services, Inc.Boca Raton, Florida187410,000+$1 billion to $10 billion21
Advanced C4 Solutions, Inc.Tampa, Florida2002101-500Under $100 million125
Advanced Concepts Enterprises, Inc.Shalimar, Florida2002101-500Under $100 million12
Advanced Concepts Information Technology Solutions, an L-1 Identity Solutions companyStamford, Connecticut1989101-500Unknown86
Advanced Information ServicesPeoria, Illinois198626-100Unknown12
Advanced Programs Group LLCReston, Virginia2003<25Unknown23
Advanced Programs Inc.Columbia, Maryland196926-100Under $100 million12
Advanced Resource Technologies, Inc.Alexandria, Virginia1986101-500Under $100 million57
Advanced Systems Development, Inc.Arlington, Virginia1979101-500Under $100 million47
Advantage SCI, LLCEl Segundo, California200026-100Under $100 million22
Advantage Technology, Inc.Overland Park, Kansas199726-100Under $100 million41
Adwaiy Tech LLCChantilly, VirginiaUnknown<25Under $100 million31
AecomLos Angeles, California197010,000+$1 billion to $10 billion73
AEEC, LLC. dba American ConsultantsReston, Virginia199526-100Under $100 million15
Aegis, Inc.Columbia, Maryland2000<25Under $100 million11
AEgis Technologies GroupHuntsville, Alabama1988101-500Under $100 million24
AeroIndustryJobs.comOxford, Maine2001UnknownUnder $100 million11
AerojetSacramento, California19422,001-5,000$750 million to $1 billion21
Aerospace CorporationEl Segundo, California19602,001-5,000$750 million to $1 billion208
Aerotek, an Allegis companyHanover, Maryland19932,001-5,000$1 billion to $10 billion285
Aerovironment, Inc.Monrovia, California1971501-2,000$100 million to $750 million43
AESEC Global Services, Inc.Pacific Grove, California2003<25Unknown13
AETEA Information Technology Inc.Rockville, Maryland1979101-500Under $100 million41
Agency Consulting Group, Inc.Columbia, Maryland200426-100Under $100 million115
Aggregate Technologies, Inc.Upper Marlboro, Maryland2004<25Unknown11
Agilent Technologies, Inc.Santa Clara, California199910,000+$1 billion to $10 billion21
AgilePath CorporationNewburyport, Massachusetts2003<25Under $100 million31
Agilex TechnologiesChantilly, Virginia2007101-500Under $100 million63
AHNTech, Inc.San Diego, California1984101-500Under $100 million11
AINS, Inc.Gaithersburg, Maryland198826-100Under $100 million25
Airborne Technologies, Inc.Sterling, Virginia199426-100Under $100 million26
Ajilon Professional Staffing, LLCThousand Oaks, California1998UnknownUnknown61
Akima CorporationCharlotte, North Carolina1990501-2,000$100 million to $750 million41
Akimeka LLCKihei, Hawaii1997UnknownUnknown41
AkshayPrinceton, New Jersey1993<25Under $100 million21
Alamo City Engineering Services Inc.San Antonio, Texas2002<25Under $100 million15
ALATEC Inc.Huntsville, Alabama2001<25Unknown41
Albin Engineering Services, Inc.Santa Clara, California199326-100Unknown91
AlcosysArlington, Virginia1989<25Unknown32
Aleut Management Services, a Nana CompanyColorado Springs, Colorado2004101-500Unknown36
Alion Science and Technology CorporationMclean, Virginia20022,001-5,000$750 million to $1 billion2012
Allegis GroupHanover, Maryland198310,000+$1 billion to $10 billion51
Allied Associates InternationalWarrenton, Virginia200826-100Under $100 million41
AlliedBarton Security ServicesConshohocken, Pennsylvania195710,000+$10 billion to $50 billion61
Allied Technology Group, Inc.Rockville, Maryland1986101-500Under $100 million3114
AllSource Global Management, LLCSierra Vista, Arizona2005101-500Under $100 million55
All Source Recruiting, Inc.Fairfax, Virginia2006<25Unknown45
AllStates Technical Services, a KBR CompanyBirmingham, Alabama2001501-2,000Under $100 million22

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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