Hi, most nearly certain that Professional data Recovery could do it.
A few other possible options....
Data Rescue...
http://www.prosofteng.com/products/data_rescue.php
They have a free demo to see what it could recover.
DiskWarrior...
http://www.alsoft.com/DiskWarrior/
"Stellar Phoenix Macintosh - Mac data recovery software, recovers data from damaged, deleted, or corrupted volumes and even from initialized disks."
They have a trial version, so I guess you can see if your data can be recovered...
http://www.stellarinfo.com/mac-data-recovery.htm
FileSalvage is an extremely powerful Macintosh application for exploring and recovering deleted files from a drive or volume. FileSalvage is designed to restore files that have:
* been accidentally deleted.
* become unreadable due to media faults.
* been stored on a drive before it was re-initialized/formatted.
http://subrosasoft.com/OSXSoftware/index.php?main_page=product_info&products_id= 1
Virtual Lab...
http://www.binarybiz.com/vlab/mac.php?PHPSESSID=48b398a7879fa364a82736a2b9bf955a