Diskeeper Corporation - http://www.diskeeper.com

Diskeeper Corporation is the undisputed leader in defragmentation technology. From its origins as the first defragmenter for Windows NT, Diskeeper has grown to become the number one automatic defragmenter with over 29 million licenses sold, Corporations around the world rely on Diskeeper to provide automatic defragmentation, giving their systems unparalleled performance and reliability. Diskeeper Corporation also provides up-to-the-minute data protection and instant file recovery with Undelete.