Existing users, 
SourceQuest offers SourceUSB - a host-based USB analyzer for Windows x86 and x64 platforms. SourceQuest also offers services in custom Windows device driver development and system software development.
SourceQuest
Company Info
http://www.sourcequest.com
650-248-6487
468 Whisman Park Drive
Mountain View, CA
Technical and Customer Support Info
Technical Support:
http://www.sourcequest.com
650-248-6487
sqsupport@sourcequest.com
Customer Support:
Developer: Update Info
