Kirkland dog food is produced by Diamond Pet Foods, Inc., a company owned by Schell and Kampeter, Inc., according to Dog Food Insider. The pet food is a private label brand produced for Costco.
Schell and Kampeter, Inc is a family owned company based in Missouri, California and South Carolina. Diamond Pet Foods, Inc. was founded in 1970 in Missouri as a livestock and dog feed company, according to Kirkland Dog Food Reviews. The company later opened more manufacturing plants in California and South Carolina.
In 2012, Diamond Pet Foods issued a voluntary recall of many of its pet foods due to a concern about Salmonella contamination. This included batches of Kirkland Signature pet food from its South Carolina facility.