ArcherHall provides digital forensics and e-discovery services to law firms, corporations, and government agencies, specializing in forensic collection and in-depth analysis of digital evidence related to litigation or data breaches.
Capitol Digital provides e-discovery and litigation support services for complex litigated matters involving both digital and paper discovery.
Califorensics conducts digital forensic examinations in support of litigation and internal investigations. 

San Diego Digital Forensics was established by founding members of the San Diego Regional Computer Forensics Laboratory, and provides digital forensics, expert witness testimony and discovery consulting services to civil litigation attorneys.
Nevada Digital Forensics provides digital forensics services to law firms and government agencies, specializing in computer and cell phone forensics, cell site analysis and call detail record analysis.
eDiscovery Inc., based in Seattle, WA provides digital forensics, mediation, electronic discovery consulting and training services to law firms, corporate counsel and government agencies.