Vogon International, Ltd.  
   Services for the capture, analysis, investigation and presentation of digital computer and other electronic evidence. Based in the United Kingdom.
   http://www.vogon.co.uk/

DigitalInquiries.com  
   Offering digital investigations and handling digital evidence for individuals or companies, for criminal litigation. Virginia Beach, Virginia.
   http://www.digitalinquiries.com/

Center for Computer Forensics  
   Offering electronic evidence recovery, litigation support, and expert testimony for law enforcement agencies, attorneys, corporations, and insurance companies.
   http://www.computer-forensics.net

Data Discovery  
   Provides forensic computer examination services, electronic discovery, and data recovery to the legal community, corporations, small business and law enforcement nationwide. Beaverton, Oregon.
   http://www.edatadiscovery.com/

Computer Forensics International  
   Supporting private and governmental clients worldwide with computer data recovery, analysis, internal investigations, and litigation. Studio City, California.
   http://www.cf-intl.com/

Expert Computer Consulting  
   Offering computer forensic services including data recovery, system analysis, integration, and useability. Stallings, North Carolina.
   http://davism.home.netcom.com/ECC-index.html

DIBS USA, Inc.  
   Computer forensic equipment, training, analysis and case support.
   http://www.dibsusa.com/

International Computer Investigators  
   Investigation of intrusions, data theft, and trade secret theft. Based in California.
   http://www.computer-investigators.com/

Forensicon, Inc.  
   A computer forensics and electronic evidence discovery firm in Chicago that specializes in litigation support, providing expert services to law firms and businesses large and small nationwide.
   http://www.forensicon.com

Alternative Technologies  
   Alternative Technologies providing computer evidence and database expert witness litigation support services including technical research, market research and mediation support. Located in California
   http://www.mcgoveran.net

McGovern & Greene LLP  
   Chicago: offers consultation on computer forensics and electronic discovery issues.
   http://www.mcgoverngreene.com

CyberDataLLC  
   Offers computer forensic analysis, crime investigation services and data recovery.
   http://www.cyberdatallc.com