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Here are the big brands hidden behind Costco's Kirkland products

Here are the big brands hidden behind Costco's Kirkland products
Here are the big brands hidden behind Costco's Kirkland products

When Costco customers see the red and black Kirkland Signature label, they know they’re going to get a good product at a great price. But they don’t always know who’s making it.

Store brand products like Kirkland are typically manufactured by third parties, not the store itself. Many of these behind-the-scenes companies are actually famous retail titans, so you can save big on your grocery bill without losing quality.

While plenty of the names behind Kirkland Signature products are public knowledge — some printed right on the box — others remain a closely guarded secret. More than a few rumors have popped up from people claiming to be in the know.

Here are the names we can confirm and the myths we can debunk, assuming no recent supplier swaps:

1. Diamond Naturals dog food

Diamond Naturals dog food and Kirkland Signature dog food
Diamond Pet Foods / Costco

Confirmed.

Websites including Dog Food Insider claim that Kirkland Signature Dog Food is actually manufactured by Diamond Pet Foods, also known as Schell and Kampeter, Inc.

That might not be enough evidence on its own, but in 2012 the Kirkland brand was part of a recall for Diamond dog foods following a salmonella outbreak at Diamond’s production plant in South Carolina. Costco and the Kirkland brand were both named in a class-action lawsuit.

There’s been no word of a break with Diamond following the incident, and the Kirkland brand remains popular with pet lovers.

While Costco offers great prices on bulk essentials like dog food, you might be able to find even better deals by shopping online with Capital One Shopping. The free browser extension automatically applies any coupon codes available and searches for lower prices at other retailers across the web.

2. Starbucks coffee

Starbucks Espresso Roast and Kirkland Signature Espresso Blend
Starbucks / Costco

Confirmed.

Even coffee snobs may be intrigued by a few of Costco’s relatively inexpensive house blends, which boast of their ties to the world’s largest coffeehouse chain.

Kirkland offers certain varieties of their house blend with the stamp, “Custom roasted by Starbucks.”

The two-and-a-half-pound Starbucks-affiliated bags include Kirkland’s Signature House Blend Medium Roast, Espresso Blend Dark Roast and Decaf House Blend Medium Roast.

3. Perrigo infant formula

Perrigo infant formula and Kirkland Signature infant formula
Perrigo / Costco

Confirmed.

While Kirkland Signature’s Infant Formula was once a product of Abbott Laboratories — the makers of Similac — it seems the brand has converted to Perrigo.

A USDA report to Congress on baby formula prices and availability says Abbott Laboratories began producing infant formula for Costco under the storebrand label in 2001.

However, veteran parents have noticed the yellow box of Kirkland’s Signature Infant Formula has since been replaced by a blue box bearing the name Kirkland Pro-Care Infant Formula.

Perrigo’s StoreBrandFormula.com, which catalogues the company’s retail relationships, includes Costco on its list of partners and links directly to the Kirkland Signature Pro-Care Infant Formula on Costco’s website.

4. Jelly Belly candy

Jelly Belly and Kirkland Signature Jelly Belly
Jelly Belly / Costco

Confirmed.

It’s in the name.

Kirkland openly teamed up with candy company Jelly Belly to sell their signature “gourmet” jelly beans. At Costco you can get four-pound jars of sugary goodness featuring 49 different flavors that are kosher and fat free.

Assuming an equal distribution of beans, that means you’ll be able to enjoy a full 1.3 ounces of your favorite flavor in every jar.

5. Duracell batteries

Duracell batteries and Kirkland Signature batteries
Duracell / Costco

Confirmed.

Many buyers avoid store-brand batteries for fear they’ll drain faster than the ones produced by the big-name brands. You won’t know until your device drops dead at the most inconvenient time.

Thankfully, Costco’s generic batteries are made by a company that’s “Trusted Everywhere.”

Costco CEO Craig Jelinek revealed that Duracell is the manufacturer of Kirkland Signature Batteries in an interview with Atlanta station WSB-TV in 2016.

6. Grey Goose vodka

Grey Goose Vodka and Kirkland Signature Vodka
Grey Goose / Costco

Denied.

Plenty of people will tell you with confidence that Costo’s vodka is a duplicate of Bacardi’s Grey Goose, produced in France. And the now-defunct alcohol research site Under the Label reported that both vodkas are made using water from the Gensac Springs in the Cognac region.

However, the global ambassador for Grey Goose denied the rumor in an interview with Business Insider, and Costco representatives have never commented.

Don’t be too disappointed, though. Kirkland Signature Vodka has trounced the expensive name brand in multiple blind taste tests despite being a fraction of the price.

An Alcohol and Tobacco Tax and Trade Bureau registry shows LeVecke, one of the world’s largest producers of spirits (including Island 808 and Pau Maui vodkas), applied to supply vodka under the Kirkland label, though it's unclear if that's the full story.

7. Bumble Bee tuna

Bumble Bee Solid White Albacore and Kirkland Signature Solid White Albacore
Bumble Bee / Costco

Confirmed.

Next time you’re hankering for some white albacore, don’t worry about sacrificing quality for cost.

In a 2003 interview with Money magazine, Costco executive vice-president Tim Rose argued that the canned tuna available on the market had declined in quality for years. So Costo struck a deal with global seafood company Bumble Bee to make a meatier product, just “like it used to be.”

The new “superior quality” solid white albacore hit shelves in 2002.

8. Formaggi Zanetti Parmigiano Reggiano

Zanetti Parmigiano Reggiano and Kirkland Parmigiano Reggiano
Formaggi Zanetti / Mary Farmer/ Hip2Save

Confirmed.

Unlike the “Parmesan” you sprinkle out of a can, the name Parmigiano Reggiano can only be applied to hard cheeses made in certain regions of Italy and subject to strict standards.

Anyone trying to pass off their product as the genuine article can expect a visit from the Consorzio del Formaggio Parmigiano-Reggiano.

The back of Kirkland’s parm shows the 24-month aged cheese is “specially selected” by Formaggi Zanetti, an Italian company that exports cheeses around the world.

9. Pureology moisture hair care

Pureology Shampoo and Kirkland Signature Shampoo
Pureology / Costco

Just speculation.

Rumor has it that those affordable sets of cream-and-purple Kirkland Signature Moisture hair care bottles have high-end origins.

On Reddit and around the web, you’ll find a lot of speculation that L’Oréal’s Pureology division could be behind Costco’s shampoo and conditioner. However, there doesn’t seem to be much evidence.

The bottles look pretty similar, and reviewers online suggest Kirkland’s product is a fine replacement for the Pureology version. Take from that what you will.

10. Kimberly-Clark diapers

Huggies diapers and Kirkland Signature diapers
Costco

Confirmed.

Kirkland Signature Diapers are made by Kimberly-Clark, the same manufacturer responsible for trusted nappies such as Huggies and GoodNites.

Costco finance chief Richard Galanti confirmed the connection in a 2017 interview with the Wall Street Journal. Costco had asked both Kimberly-Clark and rival corporation Procter & Gamble to produce diapers under the Kirkland brand, however only the former agreed.

Parents will notice that the only name-brand diapers sold at Costco are Kimberly-Clark’s Huggies. Procter & Gamble’s Pampers are nowhere in sight.

11. Reynolds aluminum foil

Reynolds Wrap and Kirkland Signature Reynolds Foodservice Foil
Costco

Confirmed.

Costco partnered with New Zealand-based Reynolds of aluminum foil fame to produce its Kirkland Signature Foodservice Foil.

The proof is on the packaging, with the Reynolds logo proudly displayed on the shiny blue boxes.

The Kirkland foils come in larger sizes than the regular Reynold foils on Costco’s website, and their higher prices reflect the difference.

12. Gordon Biersch beer

Gordon Biersch beers and Kirkland Signature craft beers
Gordon Biersch / Costco

Looks likely.

Depending on where you live, your Costco’s Kirkland craft beers could originate from one of two places. The Takeout claims that Kirkland beers on the East Coast come from Matt Brewing in New York and that beers in the West link to Gordon Biersch.

The publication says West Coast Kirkland beer bears the name “Hopfen Und Malz Brewing Co.” on the label. The site Mashed adds that the address of Hopfen Und Malz matches that of Gordon Biersch in San Jose, California.

Meanwhile, Mashed says, beer on the East Coast bears the name Bricks and Barley Brewing Company from Stevens Point, Wisconsin. It’s unclear whether this company is related to Matt Brewing, which makes Saranac and Utica Club.

The regional divide remains unconfirmed, but an Alcohol and Tobacco Tax and Trade Bureau registry shows both Gordon Biersch and Matt Brewing have applied for labels under the Kirkland brand. Wisconsin’s Regal Brau also makes an appearance.

13. Chinet cups

Chinet Cups Pack and Kirkland Signature Chinet The Big Red Cup pack
Costco

Confirmed.

A staple at house parties, Costco’s giant packs of disposable red cups come from a familiar place.

The packaging clearly bears the blue Chinet logo under “Kirkland Signature” and next to the bold title “The Big Red Cup.”

The American company Chinet has produced disposable tableware such as plates, bowls and cutlery for over 90 years and sells them through other big retailers like Target.

14. Humboldt Creamery ice cream

Humboldt Creamery Super Premium Vanilla Ice Cream and Kirkland Signature Super Premium Vanilla Ice Cream
Costco

Looks likely.

After filing for bankruptcy in 2009, California’s Humboldt Creamery was sold to competitor Crystal Creamery and started selling its products nationwide through retailers like Walmart.

ABC’s KRCR News reported in 2016 that Humboldt has been manufacturing vanilla ice cream for Costco under their Kirkland Signature house brand.

However, Humboldt Creamery’s vanilla ice cream has also appeared under its own name at Costco, and both products have disappeared from store shelves at times — so the supplier situation may not have settled yet.

15. Alexander Murray scotch

Alexander Murray scotch and Kirkland Signature scotch
Alexander Murray / Costco

Confirmed.

While other theories regarding Kirkland Signature’s alcohol selection have either been debunked or unconfirmed, Costco’s scotch is definitely a product of independent bottler Alexander Murray.

In a 2016 interview with Market Watch Magazine, Alexander Murray president and CEO Stephen Lipp confirmed that the company supplies its scotch to Costco. The magazine says the independent bottler has been behind the Kirkland Signature house brand since 2007.

If you take a closer look at the Kirkland Signature Blended House Whiskey or Single Malt Scotch, you’ll also notice the Alexander Murray & Co. Ltd. label on the bottles.

16. Niagara bottled water

Niagara bottled water and Costco bottled water
Niagara / Costco

Confirmed.

Water does taste different depending on the brand, though Kirkland Signature water will probably taste identical to other private labels out there.

Family-owned Niagara Bottling, which calls itself "the industry leading private label bottled water supplier in the Western United States," is behind Kirkland Signature Purified Water, according to the label on the bottle.

Niagara Bottling also sells water from spring to sparkling under its own brands Niagara, H2O+ and V-ssentials.

17. Ehrmann yogurt

Green Mountain Creamery Greek Yogurt and Kirkland Signature Greek Yogurt
Green Mountain Creamery / Costco

Looks likely.

Yogurt giant Ehrmann, of dairy delights such as Yoginos and LACTO Zero, could also be the brand behind Kirkland Signature Greek Yogurt.

In his 2017 book Disciplined Growth Strategies, American businessman Peter Cohan says that Ehrmann Commonwealth Dairy supplied Greek yogurt under private labels to a number of retailers, including Costco.

Ehrmann also produces Greek yogurt under the Green Mountain Creamery and Liebe brands.

18. Warren motor oil

Mag1 motor oil and Kirkland Signature motor oil
Mag1 / Costco

Confirmed.

Warren Oil Company is speculated to be the manufacturer behind Walmart’s Super Tech and Amazon’s AmazonBasics motor oils, but we can confirm it supplies the Kirkland variety.

Kirkland Signature Full Synthetic SAE 5W-30 Motor Oil displays its maker in fine print on the back of the jug: “Manufactured by Warren Distribution, Inc.”

Warren, which claims to be one of North America’s largest independent lubricant manufacturers, markets its products around the world under several brands, such as MAG 1, and under private labels as well.

While you're probably saving money buying your motor oil at Costco, keep an eye on your other automotive expenses. You might be overpaying for your car insurance by more than $1,000 per year.

19. E&J Gallo wines

E&J Gallo carbernet sauvignon and Kirkland Signature carbernet sauvignon
E&J Gallo Winery / Costco

It's complicated.

While other grocery stores might offer more varieties of wine, Costco doubles down on quality and price. Its Kirkland Signature wines are the product of cut-rate contracts with established wine makers and importers.

An Alcohol and Tobacco Tax and Trade Bureau registry links Kirkland Signature’s California wines to E&J Gallo Winery and its Italian wines to Ethica Wines. The bureau regulates and collects taxes on alcohol, tobacco and firearm trading within the U.S.

E&J Gallo Winery produces its own vino but also distributes products from other California wineries to countries around the world. (Think Carnivor or Naked Grape.) It's unclear whether it has a hand in actually making Kirkland wine or is just a middleman. Meanwhile, Ethica Wines specializes in importing Italian wines like Borgogno and Bellavista.

20. Blommer chocolate

Blommer chocolate and Kirkland Signature milk chocolate almonds
Blommer / Costco

Confirmed.

Turns out those addictive packs of chocolate-covered nuts you grab at Costco to snack on your drive home come from the “manufacturers of the finest chocolates since 1939.”

A 2013 issue of The Costco Connection magazine reported that Costco gets its Kirkland Signature chocolate through Blommer Chocolate Company, the largest cocoa processor and chocolate ingredient supplier in North America.

Together, Costco and Blommer developed a sustainability program for cocoa sourcing in West Africa’s Ivory Coast, where most of the store’s chocolate comes from. According to The Costco Connection, the farming agreement ensures a high quality and traceable product while providing fair wages, education and other services to local communities.

21. Sonova hearing aids

Phonak hearing aids and Kirkland Signature 9 hearing aid
Phonak / Costco

Confirmed.

If you get your hearing tested at Costco — which is completely free of charge — you might be advised to pick up a set of these.

The sleek new Kirkland Signature (KS9) 9.0 Digital Hearing Instruments come in five different colors and use special wireless tech powered by Sonova, according to a hearing health and audiology magazine.

The Hearing Review reported in 2019 that Sonova confirmed it was contracted to supply its products to Costco under its flagship brand. Sure enough, Sonova is listed as the manufacturer at the end of the owner’s manual.

22. George Dickel bourbon

George Dickel bourbon and Kirkland Signature bourbon
George Dickel / Costco

Just speculation.

Kirkland Signature’s bourbon may have a new supplier following a supposed switch.

An Alcohol and Tobacco Tax and Trade Bureau registry points to the famous Jim Beam as the producer behind Kirkland Signature’s Kentucky bourbon. At least, that was the case a decade ago.

By some reports, the Kirkland bourbon “distilled and bottled by the Commonwealth of Kentucky” has vanished and been replaced by “Tennessee Straight Bourbon Whiskey” on store shelves.

According to Punch — an online wine, spirits and beer magazine — distillery George Dickel is the best bet for the current supplier of the new whiskey.

23. Acetum balsamic vinegar

Acetum balsamic vinegar and Kirkland Signature balsamic vinegar
Acetum / Costco

Confirmed.

You don’t need to look hard to source this one. Kirkland Signature Aged Balsamic Vinegar of Modena boasts of its 100-year-old manufacturer on the bottle.

Costco partnered with Modena-based company Acetum all the way back in 1999 to produce its balsamic vinegar, according to The Costco Connection.

Like the name “Parmigiano Reggiano” for cheese, “Balsamic Vinegar of Modena” is a protected title that can only be applied to products that fit certain geographical and processing standards.

24. Henkel laundry detergent

Persil ProClean detergent and Kirkland Signature UltraClean detergent
Persil ProClean / Costco

Looks likely.

Although neither company has confirmed the connection, German company Henkel is speculated to be the brand behind Kirkland Signature detergent.

In 2008, The Salt Lake Tribune reported that Huish, “the largest manufacturer of private-label laundry detergents and fabric softeners in North America,” would merge with Unilever’s laundry detergent division. Huish, it said, also made products for Costco.

The merger formed Sun Products, which is now a leading laundry care brand known for products such as Snuggle, All and Sun. Then in 2016, Henkel acquired Sun Products. Henkel itself produces popular laundry detergent brands, like Persil.

Following this long and confusing history, it seems likely that Kirkland Signature laundry detergents are now produced by Henkel. Reviewers certainly think so.

25. La Madrileña Tequila

La Madrilena tequila and Kirkland Signature tequila
La Madrilena / Costco

Looks likely.

This one’s all about the numbers. According to Mashed, all tequilas have an identifying number, or NOM, that can be used to track where they came from.

Thrillist once reported that Kirkland Signature Añejo tequila came from the same source as Ed Hardy Tequila, but that seems to have changed.

Citing the database of Tequila Matchmaker, Mashed says all three Kirkland tequilas now point to La Madrileña, a Mexian wine and liquor company.

26. Rice’s honey

Local Hive honey and Kirkland Signature honey
Local Hive / Costco

Confirmed, for some areas.

The warehouse giant spilled this sweet secret in a 2019 issue of The Costco Connection.

Lucas Stanuch, Costco corporate foods and sundries buyer, explained that the company has an extensive program to provide local honey to customers. However, not every state has enough beekeepers to supply the demand.

As a result, your particular bottle of Kirkland Signature 100% Local Raw Unfiltered Honey might be a blend of honey from various suppliers across the U.S.

One of those suppliers is Rice’s Honey. The Colorado-based company, known for its brand of Local Hive Honey, has been around since 1924 and says it only works with local American beekeepers.

27. Patrick Lesec côtes du rhône villages

Patrick Lesec Richette Cotes du Rhone and Kirkland Signature Cotes du Rhone
Patrick Lesec / Costco

Confirmed.

Kirkland Signature’s dark and fruity Côtes du Rhône Villages makes no secret of its French producer. Just read the description on the back of the bottle.

It adds that only one-fifth of the wine produced in the region is pure enough to earn the Côtes du Rhône Villages designation, and Patrick Lesec’s fruity and chocolatey concoction stands up to the test.

According to Regal Wines, an American importer, Lesec does not grow his own grapes but handpicks wineries to work with and dictates the ingredients and method of production.

28. Stearns & Foster mattress

Stearns & Foster mattress and Kirkland Signature by Stearns & Foster mattress
Stearns & Foster / Costco

Confirmed.

Mattresses probably aren’t the first item on your Costco shopping list, but the company does offer a generous selection that includes Novaform and Sleep Science, as well as its own Kirkland brand.

The Kirkland Signature mattress, however, is the result of Costco’s partnership with Stearns & Foster. The Kirkland Signature by Stearns & Foster Lakeridge Mattress uses memory foam and gel foam and comes in king, California king and queen sizes.

The company dates back to 1846, when Seth Foster and G.S. Stearns got together to manufacture cotton goods for horse carriage upholstery. They later moved on to hotel mattresses.

29. Jean-Marc Brocard chablis

Jean-Marc Brocard chablis and Kirkland Signature Chablis Premier Cru
Domaine Jean-Marc Brocard / Costco

Looks likely.

It’s clear that winemaker Odile van der Moere is behind the Kirkland Signature Chablis Premier Cru; her name’s on the back of the bottle.

Van der Moere is currently a “cellar master” for major French producer Jean-Marc Brocard, where she’s worked for over 20 years.

And if you take a look at the ammonite logo on the Kirkland chablis, it bears a suspicious resemblance to the one on the Jean-Marc Brocard bottles.

30. Bolthouse Farms carrot juice

Bolthouse Farms carrot juice and Kirkland Signature by Bolthouse Farms carrot juice
Bolthouse Farms / Costco

Confirmed.

If you prefer to drink your veggies, you might already know this one. Kirkland Signature co-branded with Bolthouse Farms to turn out their three-pack bottles of carrot juice.

Kirkland Signature by Bolthouse Farms 100% Carrot Juice is made from organic carrots that get harvested, peeled and juiced all within 24 hours, says a 2009 issue of The Costco Connection.

The fourth-generation family farm in California produces beverages, dressings and bags of carrots, which are sold at retailers across North America.

31. Ti Point sauvignon blanc

Ti Point sauvignon blanc and Kirkland Signature sauvignon blanc
Ti Point / Costco

Confirmed.

This Kirkland white stems from a New Zealand winery established by “three generations of women in wine.”

The Kirkland Signature Ti Point Marlborough Sauvignon Blanc bottles point to winemaker Tracy Haslam of the Ti Point winery. Some bottles bear the similar crossed leaf logo.

The name Ti Point refers to a peninsula in northern New Zealand, the home of the company’s first vineyard, but the winery has since expanded to the Hawke’s Bay and Marlborough regions.

32. Isigny Ste-Mère brie

Isigny Ste Mere brie and Kirkland Signature Isigny Ste Mere brie
Isigny Ste Mere / Costco

Confirmed.

You can still serve your guests in style with hors d’oeuvres made from a Kirkland Signature cheese.

Normandy-based Isigny Ste-Mère exports its butters, creams and cheeses around the world and provides Costco with its store brand brie.

The Costco Connection describes Kirkland Signature Isigny Ste-Mère Brie as a double-cream brie with a 60% butterfat content and “mushroomy notes.” Isigny suggests cutting the top off, layering on some honey and raw sugar, then sticking it under the broiler for a delicious brûléed brie.

33. Ocean Spray cranberry juice

Ocean Spray cranberry juice and Kirkland Signature Ocean Spray cranberry juice
Ocean Spray

Confirmed.

You can find a wide array of Ocean Spray juices and “Craisins” at your local Costco, but Kirkland only stamps its name on one of those products.

Kirkland Signature Ocean Spray Cranberry Premium 100% Juice is a mouthful but promises pure juice with no added sugar or preservatives in every gulp.

Costco sells the 96-fluid-ounce bottles in packs of two, so you’ll have to free up plenty of room in your fridge if you plan on giving the juice a try.

While buying in bulk at Costco will certainly save you a bit of cash, you can go one step further and multiply that money. Some investing apps will let you get started with just your small change.

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