Costco enthusiasts know that the chain sources its alcohol from many different distillers, but is a genuine Irish company ...

A row of Kirkland brand Irish whiskey on a shelf - The Image Party/Shutterstock Kirkland Signature brand liquors may be sold by Costco, but they don't come from Costco-owned distilleries.

Here’s a look at how Kirkland Signature scotch stacks up against the brand names. Who makes Kirkland Signature scotch? The bottle’s label says it’s from Alexander Murray & Co. The distillery also ...

A statement on the company website reads: You may have heard a rumor that the Kirkland Signature™ brand vodka sold at Costco is actually GREY GOOSE® Vodka, just in different packaging.