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