2004 Fast 50

22: Guidance Software Inc.
Location: Pasadena, Calif.
Annual growth rate: 96.87%
2003 Revenue: 13,356,729
2002 Revenue: 6,290,123
2001 Revenue: 4,973,918
2000 Revenue: 2,527,713
1999 Revenue: 889,182
Leadership: John Patzakis
Number of employees: 150
Website: www.guidancesoftware.com
Lines of business: Computer forensic hardware and software, professional development and training, technical services, legal and engineering support
Major customers: CIA, Economic Crimes Bureau, FBI, Air Force, Army, Bureau of Alcohol, Tobacco and Firearms, Defense Department, Homeland Security Department, Department of Housing and Urban Development, State Department, Secret Service
Major contracts/projects: The company won a contract with the Los Angeles Electronic Crimes Task Force run by the Secret Service. Guidance will provide forensic software, investigation resources and advanced forensics training to task force members.