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Company NameHQ LocationYear Est.EmployeesRevenueLocationsGovt. Clients
McNeil TechnologiesSpringfield, Virginia1985501-2,000$100 million to $750 million1311
NJVC, LLCVienna, Virginia2000501-2,000$100 million to $750 million136
Preferred Systems Solutions, Inc.McLean, Virginia1991101-500Unknown139
Serco North AmericaReston, Virginia199810,000+$750 million to $1 billion1315
ALTA IT Services, LLCRockville, Maryland1985101-500Under $100 million143
Applied Research AssociatesAlbuquerque, New Mexico1979501-2,000$100 million to $750 million147
E-merging Technologies Group, Inc.Cleveland, Ohio199926-100Under $100 million1413
Entegee Engineering Technology GroupBurlington, Massachusetts19582,001-5,000$100 million to $750 million144
Modis, Inc., an Adecco companyJacksonville, Florida19865,000-10,000Unknown144
Sapphire TechnologiesWoburn, Massachusetts2003501-2,000Under $100 million142
Celerity IT LLCMcLean, Virginia2002101-500Under $100 million155
Clovis GroupBethesda, Maryland200026-100Under $100 million154
Concurrent Technologies CorporationJohnstown, Pennsylvania1987501-2,000$100 million to $750 million1512
Day & ZimmermannPhiladelphia, Pennsylvania190110,000+$1 billion to $10 billion152
MacAulay Brown, Inc.Dayton, Ohio1979501-2,000$100 million to $750 million1513
TechnisourceFort Lauderdale, Florida19875,000-10,000Under $100 million152
ThinkEnergyGroup.comNorcross, Georgia2003<25Unknown151
Top Echelon NetworkCanton, Ohio1988<25Under $100 million152
Transquest Federal Systems, Inc.Westlake Village, California199326-100Under $100 million159
CSSS.NETBellevue, Nebraska1997101-500Under $100 million161
DRS TechnologiesParsippany, New Jersey196810,000+Unknown169
Knowledge Consulting GroupReston, Virginia2000101-500Under $100 million1611
RTGXColumbia, Maryland1997101-500Under $100 million167
Sierra Nevada CorporationSparks, Nevada1994501-2,000$750 million to $1 billion166
IBMArmonk, New York192410,000+Above $50 billion179
Knowledge Management, Inc.Chelmsford, Massachusetts199826-100Under $100 million173
McMunn Associates, Inc.Herndon, Virginia1992101-500Unknown178
VerizonAshburn, Virginia198310,000+Above $50 billion1812
Wallach Associates, Inc.Rockville, Maryland1965<25Unknown184
Fulcrum IT Services Manassas, Virginia1985101-500Under $100 million1910
Scitor CorporationHerndon, Virginia1979501-2,000$100 million to $750 million1917
SGISSan Diego, California2002501-2,000$100 million to $750 million1911
Aerospace CorporationEl Segundo, California19602,001-5,000$750 million to $1 billion208
Alion Science and Technology CorporationMclean, Virginia20022,001-5,000$750 million to $1 billion2012
Dell, Inc. / Dell Perot SystemsRound Rock, Texas1984UnknownAbove $50 billion204
Information Management Group, Inc.Fairfax, Virginia198726-100Under $100 million207
COMSYS, a Manpower companyHouston, Texas1995501-2,000$100 million to $750 million215
ISYS TechnologiesLittleton, Colorado1990101-500Under $100 million217
Jacobs TechnologyPasadena, California194710,000+$10 billion to $50 billion215
Modern Technology Solutions Inc.Alexandria, Virginia1993101-500Under $100 million218
SRC, Inc.North Syracuse, New York1957501-2,000$100 million to $750 million2110
Six3 Systems, Inc.McLean, Virginia2009101-500Unknown2218
Battelle Memorial InstituteColumbus, Ohio19255,000-10,000$1 billion to $10 billion2316
Cobham Analytic Solutions Columbia, Maryland1979501-2,000$100 million to $750 million236
DeloitteNew York, New York189510,000+$10 billion to $50 billion2411
American Systems CorporationChantilly, Virginia1975501-2,000$100 million to $750 million2513
Hewlett PackardPalo Alto, California193910,000+Above $50 billion2518
NCI Information Systems, Inc.Reston, Virginia19892,001-5,000$100 million to $750 million259
USfalcon, Inc.Morrisville, North Carolina2005101-500$100 million to $750 million2510
Zel Technologies LLCHampton, Virginia1988101-500Under $100 million259

This project was last updated in September 2010. Data is accurate as of that date.
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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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