Active UNDELETE (Data raid recovery software)

Active UNDELETE
Data recovery software designed to recover lost, deleted, and formatted data from hard drives, floppy disks, dynamic volumes, and hardware or software RAIDs.
Source: www.active-undelete.com

PTDD Software
Offers Partition Table Doctor, software for hard disk partition recovery after a drive error occurs. Works with MS-DOS, FreeDOS, and multiple versions of Windows.
Source: www.ptdd.com

Raid Data Recovery, Server Recovery, RAID 0 to RAID 5 Data Recovery: Hardware and Software RAID!
... ADR Data Recovery: RAID and server data recovery services. RAID and Server Data Recovery ... Storage hardware and storage software configurations from all major vendors ...
Source: www.adrdatarecovery.com

QueTek Consulting Corporation
Provides software utilities to undelete files and recover data.
Source: www.quetek.com

Eco Data Recovery
Offers restoration of failed hard drives, servers, and RAIDs in addition to the recovery of data from virus and formatting problems.
Source: www.ecodatarecovery.com