Computer Forensic Investigation & Training Trial Solutions has an experienced staff of certified computer forensic examiners available to assist with the preservation, collection, investigation, analysis, and reporting of electronic stored information (ESI). Whether your project involves data recovery, analysis or expert testimony....
http://www.trialgraphic.com/computer-forensics.htm
Websites
Acquisition Data: Computer Forensic Investigation Acquisition Data, based in Houston, Texas, is a leading provider of computer forensic services and training. Acquisition Data provides both national and international clients with assistance on the preservation, recovery, analysis, and reporting of electronic data and computer evidence...
http://www.acquisitiondata.com/