Kirkland dog food is manufactured by Diamond Pet Foods, a well-known pet food company based in the United States. Diamond Pet Foods produces Kirkland Signature dog food in five company-owned manufacturing facilities located across Arkansas, California, Missouri, and South Carolina
. This company is also behind other brands such as Taste of the Wild and Diamond Naturals, and it is recognized for producing a range of pet foods with a focus on quality ingredients
. Kirkland dog food is a private label brand made specifically for Costco, and it is marketed as a premium yet affordable option for pet owners
. The ingredients largely originate from the U.S., though some are sourced internationally to maintain quality and supply
. Diamond Pet Foods is noted for blending grains, vegetables, and meat proteins to provide balanced nutrition in the Kirkland formulas
. In summary, Diamond Pet Foods is the manufacturer behind Kirkland dog food sold exclusively at Costco
