Kirkland Signature Real Mayonnaise

Kirkland Signature is the world-renowned private-label brand of Costco Wholesale Corporation. Based on the UPC code 966196678049 (often linked to internal Item #667804), this product is identified as Kirkland Signature Real Mayonnaise.

The packaging clearly states 'PRODUCTO DE E.U.A' (Product of USA), confirming that the manufacturing origin is the United States. As a private label, the brand was created by Costco in 1995 to provide high-quality alternatives to national brands at lower prices. The ultimate ownership lies with Costco Wholesale Corporation, headquartered in the United States, which manages the global distribution and specific formulation requirements for these products.