Here's a link that might have at least one more supplier on it.

http://www.kansasaquaculture.org/DIRECTORY.HTML

I'm assuming "vipers" are supposed to be "wipers", which are HSB.


www.hoosierpondpros.com

[Linked Image from lh6.ggpht.com]
http://www.pondboss.com/subscribe.asp?c=4
3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).