"Costco's Kirkland Signature Canned Tuna: A Name Brand Secret Revealed. Behind the popular store brand lies a surprising truth: many Kirkland Signature products, including canned tuna, are actually manufactured by well-known companies. In a move that may raise eyebrows among consumers, Costco has partnered with major brands to produce its private-label goods, including the beloved Kirkland Signature canned tuna. But what does this mean for the quality and authenticity of these products, and how does it affect the way we shop?"
It is no secret that Costco's Kirkland Signature brand is backed by some pretty famous name brand companies - and canned tuna is no exception.
