Thanks for all of the recommendations.
First the obvious
mcmaster.com
http://www.forcefieldmagnets.com/catalog/
http://www.amazingmagnets.com/
gaussboys.com
wondermagnet.com
kjmagnetics.com
http://www.sugatsune.com/
http://www.southco.com//
http://www.magnetsales.com/Aboutus.htm
www.adamsmagnetic.com
Adams Magnetic Products
888 Larch Ave
Elmhurst, IL 90126
630 617-8880