Pivx
- Offers Windows intrusion prevention software for the desktop. Also computer expert witnesses, specializing in software litigation and criminal forensics.
- http://www.pivx.com/Forensics

High Tech Private Investigator
- High Tech Private Investigator specializing in computer forensic and online investigations.
- http://hightech-pi.com/

Midwest Forensics, Inc.
- Illinois: A computer forensics, expert witness and data recovery firm providing services to Law Enforcement, Attorneys, corporate clients and individuals.
- http://www.qcmidwestforensics.com/

Computer Related Arbitration Group
- Expert Witness, Computer Consulting, Mediation and Arbitration Services. Based in San Bernardino.
- http://www.chelseagroup.com/

Elijah Technologies, Ltd.
- Elijah Technologies personnel provide expert Forensic services including media acquisition and expert testimony.
- http://www.elijahtechnologies.com

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

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

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

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/

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/

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

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