The Office of Indiana State Chemist and Seed Commissioner regulates licensing, labeling, and sampling of commercial livestock feed and pet food.
Telephone: 765-494-1492
Fax: 765-494-4331
Mon-Fri, 8-5 p.m.
https://www.oisc.purdue.edu/index.html
https://www.oisc.purdue.edu/petfood/index.html
https://www.oisc.purdue.edu/petfood/pdf/i_want_to_make_and_sell_pet_treats.pdf
http://www.oisc.purdue.edu/petfood/pdf/who_needs_to_be_licensed.pdf