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Company NameHQ LocationYear Est.EmployeesRevenueLocationsGovt. Clients
Z Systems CorporationUpper Marlboro, Maryland199326-100Under $100 million21
Zot Inc.Columbia, Maryland1998<25Under $100 million11
ZolonTech Government ServicesWashington, District of Columbia1998101-500$100 million to $750 million22
Ziva CorporationSan Diego, California2002<25Under $100 million12
Zeus Technology Systems, Inc.Linthicum Heights, Maryland1991<25Unknown22
Zeta AssociatesFairfax, Virginia1984101-500Under $100 million22
ZenetexHerndon, Virginia199926-100Under $100 million24
Zel Technologies LLCHampton, Virginia1988101-500Under $100 million259
Zekiah TechnologiesLa Plata, Maryland199626-100Under $100 million37
Zebra ImagingAustin, Texas199626-100Under $100 million16
Zavda Technologies, LLCGlenn Dale, Maryland2006<25Unknown64
Zapata TechnologyEvans, Georgia2007UnknownUnknown53
York TelecomEatontown, New Jersey1985101-500Unknown27
Yoh, a Day & Zimmermann companyPhiladelphia, Pennsylvania190110,000+$100 million to $750 million91
Yeatman Executive SearchArnold, Maryland2001<25Unknown31
XL AssociatesMcLean, Virginia198926-100Under $100 million41
X-FedsSan Diego, California200426-100Under $100 million13
Xe Services LLCMoyock, North Carolina1997101-500Unknown11
XeroxNorwalk, Connecticut190610,000+$10 billion to $50 billion21
Xeriom Technology ServicesGilbert, Arizona200426-100Under $100 million21
Xelas Systems EngineeringBowie, Maryland2005<25Unknown21
XedarDenver, Colorado199426-100Under $100 million11
XconnectPurcellville, Virginia2005<25Under $100 million31
Xcelsi GroupDayton, Ohio2001<25Under $100 million14
WyleEl Segundo, California19492,001-5,000$100 million to $750 million128
WRSystems, Ltd.Norfolk, Virginia1992UnknownUnknown37
World Wide Language Resources, Inc.Fayetteville, North Carolina1995<25Under $100 million12
Worldwide Information Network SystemsSeabrook, Maryland2000UnknownUnknown25
World IT Solutions, LLCHyattsville, Maryland200026-100Unknown101
Worldbridge TechnologiesValencia, California2003UnknownUnknown11
Workbridge AssociatesArlington, Virginia2001<25Unknown11
WoolpertDayton, Ohio1935501-2,000$100 million to $750 million23
Wood Consulting ServicesFulton, Maryland199726-100Under $100 million74
Wisetek Providers Inc.Fairfax, Virginia1997<25Under $100 million13
WINTEC, Inc.Fort Washington, Maryland1991101-500Under $100 million13
Wintara, Inc.Oxon Hill, Maryland200026-100Under $100 million11
Windmill InternationalNashua, New Hampshire1988101-500Unknown13
Wilson Technologies, Inc.Washington, District of Columbia1997<25Under $100 million12
Williams TisonVienna, Virginia1998<25Under $100 million42
Williams Notaro and AssociatesFairfax, Virginia1997<25Under $100 million11
White Oak Technologies, Inc.Silver Spring, Maryland1996<25Under $100 million41
Wheat International Communications CorporationSpringfield, Virginia198926-100Under $100 million32
Wexford Group InternationalVienna, Virginia1992<25Unknown43
Westwind Engineering Inc.San Pedro, California199226-100Under $100 million11
Weston Solutions, Inc.West Chester, Pennsylvania1957501-2,000$100 million to $750 million22
Western DataComCleveland, Ohio1990<25Unknown13
Westech InternationalAlbuquerque, New Mexico1995101-500Under $100 million74
Wells LandersMcLean, Virginia200626-100Unknown12
Welkin AssociatesChantilly, Virginia1988101-500Unknown48
WCIL Technology, Inc.Bowie, Maryland2001<25Under $100 million23

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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