The brand behind the bottle

Niagara Bottling is not just recognized for producing Kirkland bottled water. Founded in 1963, the company offers a variety of bottled water products. Initially, Niagara exclusively marketed water under its own brand, but in the 1990s, it began bottling water for Costco under the Kirkland label. Costco is not the only retailer that obtains its private-label water from Niagara; other companies, including Walmart, also source their bottled water from this brand, establishing Niagara as the largest supplier of private-label water in the United States.
What distinguishes Niagara from other bottled water brands? In addition to providing water to other brands under private labels, Niagara takes pride in its purification techniques, which encompass microfiltration and reverse osmosis. The water is sourced from a range of wells, springs, and municipal supplies before undergoing a thorough purification process. To enhance the flavor, Niagara also adds minerals to the water prior to bottling. However, the specific details regarding their water sourcing and processing methods are not precisely disclosed.
Other brands behind the Kirkland label

Niagara Bottling isn't the only well-known brand associated with Costco's Kirkland Signature products. The wholesale retailer, which operates on a members-only basis (don't forget your Costco card for your next visit), offers a wide range of items under the Kirkland label. Many of these products are sourced from renowned brands. For instance, Kirkland coffee is produced by Starbucks, the famous Seattle-based coffee brand and café chain. Specifically, Starbucks crafts Kirkland's Signature House Blend Medium Roast, Espresso Blend Dark Roast, and Decaf House Blend Medium Roast.
Another notable brand contributing to Kirkland products is Jelly Belly, the company famous for its jelly beans. This collaboration is particularly evident, as the Jelly Belly logo appears alongside the Kirkland label on the packaging. Other brands that supply products for Kirkland include Duracell batteries and Bumble Bee tuna. While Grey Goose is not the producer of Kirkland's vodka, it's clear that the private label brand has some impressive partnerships.
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