US FDA Starting a Food Business website
This website provides government network, food law and regulation, and other useful information.
http://www.cfsan.fda.gov/~comm/foodbiz.html

Start a Value-Added Farm-Food Business
The University of Wisconsin Extension Service website provides basic steps to starting value-added farm-food business.
http://www.uwex.edu/ces/agmarkets/starting.html

Getting Started in a Food Business in North Carolina
North Carolina State University Cooperative Extension Service answers question about starting a food business.
http://www.ces.ncsu.edu/depts/foodsci/ext/programs/ncfood/tree.htm

Publications for Developing a Food Business
http://www.ces.ncsu.edu/depts/foodsci/ext/programs/ncfood/pubs.html

Cornell University Agricultural Experiment Station Food Entrepreneur Resource Center
This website give a overview of starting a specialty food business
http://www.nysaes.cornell.edu/necfe/basics/basics.html