To keep cost down we are looking for a mix that we can purchase in bulk. Does anyone have a preference or is there a brand out there that is comparable to DH?

Have you tried posting this in the Cake Business forum? You might get faster answers there... Here's the URL if it'll help.
http://www.cakecentral.com/cake-decorating-forum-18.html

http://www.foodservicedirect.com/index.cfm/S/252/CLID/9/N/82448/Duncan_Hines_Cake_Mix.htm

try this

I had the same thought, so I researched many options, and to buy in bulk would cost way more than what I pay at Walmart for my cake mixes...almost double the price!

Duplicate Request - see also:

http://forum.cakecentral.com/cake-decorating-ftopicp-1726711.html#1726711