The only Brand of Performance I am seeing looks like its manufactured by Dimond. I am sure many people feed it but I am not a fan of Diamond.. They have been linked to many food recalls and deaths.
Toxic pet food kills dozens of dogs - Health - Pet health - msnbc.com
If you are looking to switch I would try, Acana/Orijen, Wellness, Go! /Now! The Honest Kitchen, Nature's Variety