The moat
Change log
Private-label suppliers change without an announcement — a co-brand quietly drops off a bag, a division gets sold, and the listicles keep citing a maker who left two years ago. This is every Kirkland Signature supplier change and new attribution we’ve logged, newest first. Each one updates the product’s record and its last_verified date.
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- July 6, 2026Ladies' Active Legging Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Ladies' Active Legging as of July 6, 2026.
- Men's Heavyweight Crew Tee, 6-pack Probable
Added to the catalog with a probable attribution.
Fact As of July 6, 2026, evidence points to Campers World Apparel LLC as the manufacturer of Kirkland Signature Men's Heavyweight Crew Tee, 6-pack, but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Gasoline (Regular 87 / Premium 91, sold at Costco fuel stations) as of July 6, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Liquid Body Wash, Natural Citrus, 27 fl oz, 2-count as of July 6, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Daily Makeup Remover Towelettes, 180-count as of July 6, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Apple Juice, Fresh Pressed, 128 fl oz, 2-count as of July 6, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Organic Coconut Water, 11.1 fl oz, 12-count as of July 6, 2026.
- Ito En Matcha Blend Japanese Green Tea Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 6, 2026, the manufacturer of Kirkland Signature Ito En Matcha Blend Japanese Green Tea is Ito En, per on-label, first-party, or executive statement evidence.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Organic Raw Kombucha, Ginger Lemonade, 16 fl oz, 8-count as of August 3, 2026.
Added to the catalog with a probable attribution.
Fact As of July 6, 2026, evidence points to Niagara Bottling as the manufacturer of Kirkland Signature Vita Rain Zero, Variety Pack, 20 fl oz, 24-count, but no tier 1–3 source names the link directly.
- Cream Cheese (8 oz bricks, 6-count) Probable
Added to the catalog with a probable attribution.
Fact As of August 10, 2026, evidence points to Schreiber Foods as the manufacturer of Kirkland Signature Cream Cheese (8 oz bricks, 6-count), but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Milk (regionally bottled; organic, lactose-free, and ultra-filtered variants) as of July 13, 2026.
- Meatballs, Italian Style Beef, 6 lbs Probable
Added to the catalog with a probable attribution.
Fact As of July 6, 2026, evidence points to Costco Wholesale (self-manufactured — Costco Wholesale Meat Plant, Tracy, CA) as the manufacturer of Kirkland Signature Meatballs, Italian Style Beef, 6 lbs, but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Lightly Breaded Chicken Breast Chunks, Boneless Skinless, 4 lbs as of July 6, 2026.
Added to the catalog with a probable attribution.
Fact As of July 6, 2026, evidence points to Perrigo as the manufacturer of Kirkland Signature Minoxidil 5% (Men's Extra Strength Hair Regrowth Solution and Foam), but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Professional Charcoal Briquettes, 30 lbs as of July 6, 2026.
- Nitrile Exam Gloves, 400-count Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Nitrile Exam Gloves, 400-count as of July 6, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Spiral Sliced Ham, Hickory Smoked (9 lb avg wt) as of July 6, 2026.
- Creamy Almond Butter, 27 oz Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Creamy Almond Butter, 27 oz as of July 6, 2026.
- Organic Animal Crackers, 4 lbs Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Organic Animal Crackers, 4 lbs as of July 6, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Milk Chocolate Covered Raisins, 3.4 lb (54 oz) as of July 6, 2026.
Added to the catalog with a confirmed attribution.
Fact As of July 6, 2026, the manufacturer of Kirkland Signature Kettle Brand Krinkle Cut Potato Chips, Himalayan Salt, 32 oz is Kettle Foods (Campbell Soup Company), per on-label, first-party, or executive statement evidence.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Macadamia Clusters, Salted Caramel & Milk Chocolate, 32 oz as of July 6, 2026.
- Organic Tortilla Chips, 40 oz Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Organic Tortilla Chips, 40 oz as of July 6, 2026.
Added to the catalog with a probable attribution.
Fact As of July 6, 2026, evidence points to Bay Valley Foods, LLC (TreeHouse Foods) as the manufacturer of Kirkland Signature Peanut Butter Filled Pretzel Nuggets, 55 oz, but no tier 1–3 source names the link directly.
Added to the catalog with a rumored attribution.
Fact Kirkland Signature 100% U.S. Raw, Unfiltered Honey (3 lb) is rumored (unverified) to be made by Rice's Honey (Local Hive); no tier 1–5 evidence supports the claim as of August 10, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Organic Salsa, Medium, 38 oz (2-count) as of July 6, 2026.
- Pure Vanilla Extract, 16 fl oz Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Pure Vanilla Extract, 16 fl oz as of July 6, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Facial Tissue, 3-Ply, 84-count, 12-pack as of July 6, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Napkins, 1-Ply, 280-count, 4-pack as of July 6, 2026.
Added to the catalog with a probable attribution.
Fact As of July 6, 2026, evidence points to Tennessee Distilling Group as the manufacturer of Kirkland Signature Tennessee Sour Mash Whiskey, Aged 4 Years (1.75 L), but no tier 1–3 source names the link directly.
Added to the catalog with a confirmed attribution.
Fact As of August 10, 2026, the manufacturer of Kirkland Signature Brut Champagne (NV, Champagne AOC, France) is Manuel Janisson (Champagne Janisson & Fils, Verzenay; estate owned by Moët & Chandon/LVMH since 2019), per on-label, first-party, or executive statement evidence.
- Napa Valley Cabernet Sauvignon Probable
Added to the catalog with a probable attribution.
Fact As of July 6, 2026, evidence points to DC Flynt MW Selections as the manufacturer of Kirkland Signature Napa Valley Cabernet Sauvignon, but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Prosecco (Italian DOC / DOCG sparkling) as of July 6, 2026.
- Russian River Valley Pinot Noir Probable
Added to the catalog with a probable attribution.
Fact As of July 6, 2026, evidence points to DC Flynt MW Selections as the manufacturer of Kirkland Signature Russian River Valley Pinot Noir, but no tier 1–3 source names the link directly.
- July 5, 2026Men's Cotton Jean Probable
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to One Jeanswear Group Inc as the manufacturer of Kirkland Signature Men's Cotton Jean, but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Automotive Battery (lead-acid; discontinued, replaced by Interstate) as of July 5, 2026.
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Motor Oil (Full Synthetic 0W-20, 5W-20, 5W-30) is Highline Warren (formerly Warren Distribution), per plant / registration code evidence.
- Baby Wipes (Fragrance-Free & Scented) Confirmed
Added to the catalog with a confirmed attribution.
Fact As of August 3, 2026, the manufacturer of Kirkland Signature Baby Wipes (Fragrance-Free & Scented) is Nice-Pak Products, Inc., per on-label, first-party, or executive statement evidence.
- Diapers (Sizes 1-7) Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Diapers (Sizes 1-7) is First Quality Enterprises, per on-label, first-party, or executive statement evidence.
- ProCare Non-GMO Infant Formula Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature ProCare Non-GMO Infant Formula is Perrigo, per on-label, first-party, or executive statement evidence.
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Bar Soap with Shea Butter, 4.5 oz (15 Bars) is Vanguard Soap, per on-label, first-party, or executive statement evidence.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Cosway Company, Inc. as the manufacturer of Kirkland Signature Professional Salon Formula Moisture Shampoo & Conditioner (33.8 fl oz), but no tier 1–3 source names the link directly.
- Hard Seltzer, 24-Can Variety Pack Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Hard Seltzer, 24-Can Variety Pack is Patco Brands, per on-label, first-party, or executive statement evidence.
Added to the catalog with a confirmed attribution.
Fact As of August 3, 2026, the manufacturer of Kirkland Signature Beer (Helles-Style Lager, discontinuation announced July 2026; Light Beer and Craft Variety Packs, discontinued) is Deschutes Brewery, per on-label, first-party, or executive statement evidence.
- Alkaline Water, 1 L, 18-count Probable
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Niagara Bottling as the manufacturer of Kirkland Signature Alkaline Water, 1 L, 18-count, but no tier 1–3 source names the link directly.
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Ocean Spray Cranberry Premium 100% Juice, 96 fl oz is Ocean Spray Cranberries, Inc., per on-label, first-party, or executive statement evidence.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to MPL Brands as the manufacturer of Kirkland Signature Sparkling Energy Drink, Variety Pack, 12 fl oz, 24-count, but no tier 1–3 source names the link directly.
- Energy Shot, 2 fl oz, 48-count Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Energy Shot, 2 fl oz, 48-count as of July 5, 2026.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to La Galvanina S.p.A. as the manufacturer of Kirkland Signature Italian Sparkling Mineral Water, 16.9 fl oz, 24-count, but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Premium Margarita Cocktail Mix (Non-Alcoholic), 1.75 L as of August 3, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Orange Juice, Not from Concentrate, 59 fl oz, 3-count as of August 3, 2026.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Niagara Bottling as the manufacturer of Kirkland Signature Purified Drinking Water, 16.9 fl oz, 40-count, but no tier 1–3 source names the link directly.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Niagara Bottling as the manufacturer of Kirkland Signature Sparkling Water, Variety Pack, 12 fl oz, 35-count, but no tier 1–3 source names the link directly.
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Colombian Cold Brew Coffee, Ready-to-Drink, 12 fl oz cans is Berner Foods, Inc., per recall notice evidence.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Rogers Family Company as the manufacturer of Kirkland Signature 100% Colombian Coffee (Supremo Bean), Dark Roast (3 lbs), but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Espresso Blend Whole Bean Coffee, Dark Roast (2.5 lbs) as of July 5, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature French Roast Whole Bean Coffee, Dark Roast (2.5 lbs) as of July 5, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature House Blend Whole Bean Coffee, Medium Roast (2.5 lbs) as of July 5, 2026.
Added to the catalog with a confirmed attribution.
Fact As of July 11, 2026, the manufacturer of Kirkland Signature Coffee K-Cup Pods (Organic Breakfast Blend, Summit Roast, Pacific Bold), 120-count is Keurig Green Mountain (Green Mountain Coffee Roasters), per court / regulatory record evidence.
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Imported French Brie (Isigny Sainte-Mère, Double Cream, 21.16 oz) is Isigny Sainte-Mère, per on-label, first-party, or executive statement evidence.
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Sweet Cream Butter (Salted and Unsalted), 16 oz, 4-count is Continental Dairy Facilities Southwest, LLC (Select Milk Producers), per recall notice evidence.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Ehrmann Commonwealth Dairy (acquired by Lactalis Group, 2019) as the manufacturer of Kirkland Signature Organic Greek Nonfat Yogurt, Plain (48 oz / 3 lb tub), but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Ice Cream Bars (Vanilla Dipped in Chocolate with Roasted Almonds), 3.1 fl oz, 18-count as of August 1, 2026.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to SunOpta Inc. as the manufacturer of Kirkland Signature Organic Non-Dairy Oat Beverage (32 oz, 6-count), but no tier 1–3 source names the link directly.
Added to the catalog with a confirmed attribution.
Fact As of August 1, 2026, the manufacturer of Kirkland Signature Aged Parmigiano Reggiano (24-month DOP wedge and whole wheel) is Formaggi Zanetti (Zanetti S.p.A.), per on-label, first-party, or executive statement evidence.
Added to the catalog with a confirmed attribution.
Fact As of August 1, 2026, the manufacturer of Kirkland Signature Super Premium Vanilla Ice Cream, 64 fl oz, 2-count is Humboldt Creamery (a Crystal Creamery / Foster Farms Dairy brand since 2009), per on-label, first-party, or executive statement evidence.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Request Foods, Inc. as the manufacturer of Kirkland Signature Italian Sausage and Beef Lasagna, 3 lbs, 2-count, but no tier 1–3 source names the link directly.
Added to the catalog with a confirmed attribution.
Fact As of August 3, 2026, the manufacturer of Kirkland Signature Pepperoni Pizza, Thin Crust, 19.05 oz, 4-count is Palermo Villa, Inc., per on-label, first-party, or executive statement evidence.
- Three Berry Blend, 4 lb Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Three Berry Blend, 4 lb is Townsend Farms, Inc., per recall notice evidence.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Extra Strength Acetaminophen 500 mg, 1,000 Caplets as of July 5, 2026.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Perrigo as the manufacturer of Kirkland Signature AllerClear (Loratadine 10 mg), 365 Tablets, but no tier 1–3 source names the link directly.
Added to the catalog with a confirmed attribution.
Fact As of July 11, 2026, the manufacturer of Kirkland Signature Daily Disposable Contact Lenses (90-pack) is CooperVision, per on-label, first-party, or executive statement evidence.
- Fish Oil 1000 mg., 400 Softgels Probable
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Pharmavite as the manufacturer of Kirkland Signature Fish Oil 1000 mg., 400 Softgels, but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Hearing Aid Batteries (Zinc Air, Sizes 10, 13, 312, 675) as of July 11, 2026.
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Hearing Aids (KS4–KS10; line discontinued 2022) is Sonova, per on-label, first-party, or executive statement evidence.
- Ibuprofen 200 mg, 500 Tablets Probable
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Perrigo as the manufacturer of Kirkland Signature Ibuprofen 200 mg, 500 Tablets, but no tier 1–3 source names the link directly.
- Krill Oil 500 mg, 180 Softgels Probable
Added to the catalog with a probable attribution.
Fact As of August 10, 2026, evidence points to WN Pharmaceuticals as the manufacturer of Kirkland Signature Krill Oil 500 mg, 180 Softgels, but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature OptiFiber Prebiotic Fiber Supplement, 26.8 oz (190 Servings) as of July 5, 2026.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to International Vitamin Corporation as the manufacturer of Kirkland Signature Daily Multi (Multivitamin), 500 Tablets, but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Whey Protein, Creamy Chocolate, 5.4 lbs as of July 5, 2026.
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature by Samsonite Hardside Spinner (Polycarbonate, 29 in) is Samsonite, per on-label, first-party, or executive statement evidence.
Added to the catalog with a confirmed attribution.
Fact As of August 1, 2026, the manufacturer of Kirkland Signature by Stearns & Foster Mattress (Lakeridge / Hope Bay) is Stearns & Foster, per on-label, first-party, or executive statement evidence.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature BBQ Hardwood Pellets (Premium Blend, 40 lb) as of July 5, 2026.
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Reynolds Foodservice Foil, 12 in x 1,000 ft is Reynolds Consumer Products, per on-label, first-party, or executive statement evidence.
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Ultra Shine Liquid Dish Soap, Fresh, 90 fl oz is KIK International LLC, per on-label, first-party, or executive statement evidence.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to First Quality Enterprises (Home Care Products division) as the manufacturer of Kirkland Signature Ultra Shine Automatic Dishwasher Pacs, but no tier 1–3 source names the link directly.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to First Quality Enterprises (Home Care Products division) as the manufacturer of Kirkland Signature Ultra Soft Premium Liquid Fabric Softener, Refreshing Scent, but no tier 1–3 source names the link directly.
- Moist Flushable Wipes Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Moist Flushable Wipes is Nice-Pak Products, Inc., per court / regulatory record evidence.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Freezer Gallon Plus / Quart Plus Bags, Double Zipper as of July 5, 2026.
Added to the catalog with a probable attribution.
Fact As of August 10, 2026, evidence points to First Quality Enterprises (Home Care Products division) as the manufacturer of Kirkland Signature Ultra Clean HE Liquid Laundry Detergent, 146 Loads, 194 fl oz, but no tier 1–3 source names the link directly.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to First Quality Enterprises (Home Care Products division) as the manufacturer of Kirkland Signature Ultra Clean HE Laundry Detergent Pacs, 152 ct, but no tier 1–3 source names the link directly.
- Chinet Red Plastic Cups, 18 oz, 240 ct Confirmed
Added to the catalog with a confirmed attribution.
Fact As of August 3, 2026, the manufacturer of Kirkland Signature Chinet Red Plastic Cups, 18 oz, 240 ct is Huhtamaki (Chinet brand), per on-label, first-party, or executive statement evidence.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Flex-Tech Kitchen Trash Bags, 13 Gallon, 200 ct as of August 10, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Sliced Bacon (Regular & Thick-Cut, Hickory Smoked) as of August 3, 2026.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Oberto Snacks Inc. as the manufacturer of Kirkland Signature Grass-fed Beef Sticks, 1.15 oz, 12-count, but no tier 1–3 source names the link directly.
- Beef Hot Dogs, 12 Links, 1.5 lbs Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Beef Hot Dogs, 12 Links, 1.5 lbs is Costco Wholesale (self-manufactured — Costco Wholesale Meat Plant, Tracy, CA), per on-label, first-party, or executive statement evidence.
- Mild Italian Sausage, 56 oz Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Mild Italian Sausage, 56 oz as of July 5, 2026.
- Seasoned Rotisserie Chicken Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Seasoned Rotisserie Chicken is Costco Wholesale (Lincoln Premium Poultry, Fremont, NE), per on-label, first-party, or executive statement evidence.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Organic Apple Cider Vinegar, Raw & Unfiltered (32 fl oz, 3-count) as of July 5, 2026.
- Balsamic Vinegar of Modena Rumored
Added to the catalog with a rumored attribution.
Fact Kirkland Signature Balsamic Vinegar of Modena is rumored (unverified) to be made by Acetum S.p.A.; no tier 1–5 evidence supports the claim as of July 5, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Milk Chocolate Roasted Almonds, 3 lb as of July 5, 2026.
Added to the catalog with a rumored attribution.
Fact Kirkland Signature Organic Unbleached All-Purpose Flour, 10 lb (2-count) is rumored (unverified) to be made by Central Milling; no tier 1–5 evidence supports the claim as of July 5, 2026.
Added to the catalog with a probable attribution.
Fact As of August 10, 2026, evidence points to Leclerc Foods USA (Leclerc Group) as the manufacturer of Kirkland Signature Soft & Chewy Granola Bars, 0.85 oz, 64-count, but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Organic Hummus (2.5 oz cups, 20-count; 32 oz tubs) as of July 5, 2026.
Added to the catalog with a confirmed attribution.
Fact As of August 10, 2026, the manufacturer of Kirkland Signature Gourmet Jelly Belly Beans, 49 Flavors, 64 oz is Jelly Belly Candy Company, per on-label, first-party, or executive statement evidence.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Organic Pure Maple Syrup, Canada Grade A (33.8 oz / 1 L) as of July 5, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Organic Marinara from Tuscany (3 x 24 oz / 650 mL jars) as of July 5, 2026.
- Real Mayonnaise, 64 oz Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Real Mayonnaise, 64 oz as of August 10, 2026.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Weaver Popcorn Manufacturing, LLC as the manufacturer of Kirkland Signature Microwave Popcorn, Movie Theater Butter, 3.3 oz, 44-count, but no tier 1–3 source names the link directly.
- Nut Bars, 1.41 oz, 30-count Probable
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Leclerc Foods USA (Leclerc Group) as the manufacturer of Kirkland Signature Nut Bars, 1.41 oz, 30-count, but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Extra Virgin Olive Oil (Italian 2 L / Organic 2 L) as of July 5, 2026.
- Organic Strawberry Spread, 42 oz Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Organic Strawberry Spread, 42 oz as of August 1, 2026.
Added to the catalog with a confirmed attribution.
Fact As of July 11, 2026, the manufacturer of Kirkland Signature Organic Peanut Butter, Creamy, 28 oz, 2-count is Hampton Farms (Severn Peanut Co.), per on-label, first-party, or executive statement evidence.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Come Ready Foods, LLC (Ready Nutrition) as the manufacturer of Kirkland Signature Protein Bar, Variety Pack, 2.12 oz, 20-count, but no tier 1–3 source names the link directly.
- Whole Grain Rolled Oats, 10 lbs Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Whole Grain Rolled Oats, 10 lbs as of July 5, 2026.
- Trail Mix, 4 lbs Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Trail Mix, 4 lbs as of July 5, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Paper Towels, 2-Ply, 160 Sheets, 12 Rolls as of August 1, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Bath Tissue, 2-Ply, 380 Sheets, 30 Rolls as of August 1, 2026.
- Canned (Wet) Dog Food Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Canned (Wet) Dog Food as of July 5, 2026.
- Super Premium Dry Cat Food Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Super Premium Dry Cat Food is Diamond Pet Foods, per recall notice evidence.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Dental Chews (Grain-Free, 72-count) as of July 5, 2026.
- Nature's Domain Grain-Free Dry Dog Food Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Nature's Domain Grain-Free Dry Dog Food is Diamond Pet Foods, per recall notice evidence.
- Wet (Canned) Cat Food, Pâté Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Wet (Canned) Cat Food, Pâté as of July 5, 2026.
Added to the catalog with a confirmed attribution.
Fact As of July 13, 2026, the manufacturer of Kirkland Signature Solid White Albacore Tuna in Water, 7 oz, 8-count is Bumble Bee Foods (owned by FCF Co., Ltd. since 2020), per on-label, first-party, or executive statement evidence.
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Frozen Cooked Shrimp (Peeled & Deveined, Tail-On, 2 lb) is Kader Exports (Kader Exports Pvt. Ltd., India), per recall notice evidence.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Barrel Aged Rum (20 Year Panama; line incl. 15 Year Panama and Guatemala aged rum) as of July 5, 2026.
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Small Batch Kentucky Straight Bourbon (line incl. Bottled-in-Bond and Single Barrel) is Barton 1792 Distillery (Sazerac Company), per on-label, first-party, or executive statement evidence.
- Blended Canadian Whisky (1.75 L) Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Blended Canadian Whisky (1.75 L) as of July 5, 2026.
- Cognac (XO and VS) Confirmed
Added to the catalog with a confirmed attribution.
Fact As of August 3, 2026, the manufacturer of Kirkland Signature Cognac (XO and VS) is Maison Peyrat (Peyrat-Associés & Cie), per on-label, first-party, or executive statement evidence.
- Eggnog Liqueur (seasonal) Unknown
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Eggnog Liqueur (seasonal) as of July 5, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Irish Cream Liqueur (Ireland, 1.75 L) as of July 5, 2026.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Irish Whiskey, Aged 4 Years (1.75 L) as of July 5, 2026.
- London Dry Gin (88 proof) Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 11, 2026, the manufacturer of Kirkland Signature London Dry Gin (88 proof) is Tennessee Distilling Group, per plant / registration code evidence.
- Scotch Whisky (line: Blended, 12-Year Blended, Islay Single Malt, Highland & Speyside Single Malts) Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 11, 2026, the manufacturer of Kirkland Signature Scotch Whisky (line: Blended, 12-Year Blended, Islay Single Malt, Highland & Speyside Single Malts) is Alexander Murray & Co. (independent bottler), per on-label, first-party, or executive statement evidence.
- Spiced Rum (1.75 L) Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Spiced Rum (1.75 L) is Sazerac Company, per on-label, first-party, or executive statement evidence.
- Tequila (Silver, Reposado, Añejo) Probable
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Corporativo Destileria Santa Lucia, S.A. de C.V. as the manufacturer of Kirkland Signature Tequila (Silver, Reposado, Añejo), but no tier 1–3 source names the link directly.
- American Vodka (1.75 L) Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature American Vodka (1.75 L) is LeVecke Corporation, per plant / registration code evidence.
- French Vodka (1.75 L) Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature French Vodka (1.75 L) is Distillerie de Gayant, per on-label, first-party, or executive statement evidence.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Vodka + Soda, 18-Can Variety Pack as of July 5, 2026.
Added to the catalog with a probable attribution.
Fact As of July 5, 2026, evidence points to Southern California Design Company (SCDC) as the manufacturer of Kirkland Signature Golf Clubs (KS1 putter, wedges, Players Distance irons, driver), but no tier 1–3 source names the link directly.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Golf Gloves, Premium Cabretta Leather (4-pack) as of July 5, 2026.
- Malbec (Mendoza, Argentina) Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Malbec (Mendoza, Argentina) is Trapiche (Broquel Winery), per on-label, first-party, or executive statement evidence.
- Ti Point Marlborough Sauvignon Blanc Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Ti Point Marlborough Sauvignon Blanc is Ti Point Wines, per on-label, first-party, or executive statement evidence.
Added to the catalog with an unknown attribution.
Fact No reliable public evidence identifies the manufacturer of Kirkland Signature Friuli Grave Pinot Grigio (Italy) as of July 5, 2026.
Added to the catalog with a probable attribution.
Fact As of August 10, 2026, evidence points to DC Flynt MW Selections as the manufacturer of Kirkland Signature Red Blend (California / Napa Valley bottlings), but no tier 1–3 source names the link directly.
- Côtes de Provence Rosé Confirmed
Added to the catalog with a confirmed attribution.
Fact As of July 5, 2026, the manufacturer of Kirkland Signature Côtes de Provence Rosé is Élie Sumeire (Famille Sumeire), per on-label, first-party, or executive statement evidence.
- July 4, 2026AA/AAA Alkaline Batteries Confirmed
Added to the catalog with a confirmed attribution.
Fact As of August 1, 2026, the manufacturer of Kirkland Signature AA/AAA Alkaline Batteries is Duracell, per on-label, first-party, or executive statement evidence.
- Super Premium Dry Dog Food Confirmed
Added to the catalog with a confirmed attribution.
Fact As of August 3, 2026, the manufacturer of Kirkland Signature Super Premium Dry Dog Food is Diamond Pet Foods, per recall notice evidence.
Added to the catalog with a probable attribution.
Fact As of August 1, 2026, evidence points to SM Global, LLC as the manufacturer of Kirkland Signature Performance+ Golf Ball (V3.0, three-piece urethane), but no tier 1–3 source names the link directly.
- April 2025Ultra Clean HE Laundry Detergent Pacs, 152 ct Change logged
A manufacturer change is on the record for this product — previously attributed to Henkel Corporation (Sun Products until Henkel's 2016 acquisition).
Note The pacs' documented trail runs through the Sun Products/Henkel private-label detergent business: a February 2017 UK-market SDS for Kirkland Ultra Clean pacs lists 'Manufacturer Address: Sun Products Corporate Office, 60 Danbury Road, Wilton, CT 06897' (Sun Products, formed from the 2008 Huish-Unilever merger, had been acquired by Henkel in September 2016 but still carried its own name), and the January 2024 SDS Costco currently posts names Henkel Corporation outright (cited in sources above). The relationship's start date is not publicly documented. Henkel's retailer-brands business - and with it, this product line - transferred to First Quality Enterprises on April 1, 2025.
- January 2025Diapers (Sizes 1-7) Change logged
A manufacturer change is on the record for this product — previously attributed to Kimberly-Clark.
Note Kimberly-Clark manufactured Kirkland diapers for years (start date not publicly confirmed; documented at least as of the 2022 WTAE report), and was reported by Bloomberg in December 2024 — per people familiar with the decision — to be exiting the private-label business, with First Quality taking over in January 2025.
- 2024Espresso Blend Whole Bean Coffee, Dark Roast (2.5 lbs) Change logged
A manufacturer change is on the record for this product — previously attributed to Starbucks Coffee Company.
Note Label-verified era: Costco's own listing for the espresso blend (item #100493949, 2.5 lbs) carried 'Custom Roasted by Starbucks Coffee Company' in its product features across the captured window of October 2022 through December 2023, and the online listing was formerly titled 'Kirkland Signature Roasted by Starbucks'. Food Republic describes the Starbucks arrangement as long-standing before that window. The credit disappeared when Costco relisted the product (item #4000232153) in early 2024 — the same order-of-events as the House Blend — with no comment from either company and no successor identified.
- House Blend Whole Bean Coffee, Medium Roast (2.5 lbs) Change logged
A manufacturer change is on the record for this product — previously attributed to Starbucks Coffee Company.
Note Label-verified era: bags and Costco's own listing carried an on-label roasting credit ('Roasted by Starbucks Coffee Co.®' / 'Custom Roasted by Starbucks'), documented from February 2013 through the October 2022 listing capture. The credit disappeared when Costco relisted the product under new item #4000232205 between late 2023 and April 2024, with no comment from either company; press reports the contract ended, but the reason for the change is unconfirmed and no successor has been identified.
- Organic Tortilla Chips, 40 oz Change logged
A manufacturer change is on the record for this product — previously attributed to Mission Foods.
Note Costco's organic tortilla chips formerly co-branded Mission Foods: the bags "used to bear both the label for Mission Foods as well as the Kirkland Signature logo" (Food Republic, Jan 2025), a documented on-label co-brand that names the brand-manufacturer link. By the time of that January 2025 reporting the current 40 oz bag carried only Kirkland Signature branding. The 'to' date marks the observed removal of the Mission co-brand, not a confirmed manufacturer exit - it is not publicly documented whether Mission still produces the chips under a de-branded arrangement or was replaced.
- 2023Performance+ Golf Ball (V3.0, three-piece urethane) Change logged
A manufacturer change is on the record for this product — previously attributed to Qingdao SM Parker Golf Co., Ltd..
Note Performance+ v2.0 three-piece era (and the 2019 four-piece reissue), attributed by teardown/industry reporting (unverified) to the Qingdao, China factory formerly operated as Fantom; dates approximate. By the V3 generation, MyGolfSpy reported production at an SM Parker factory in Vietnam.
- 2019ProCare Non-GMO Infant Formula Change logged
A manufacturer change is on the record for this product — previously attributed to Abbott Laboratories (Ross/Similac).
Note A USDA Economic Research Service report to Congress documented Abbott entering private-label production for Costco in spring 2001, and the Kirkland Signature formula was identified with Abbott/Similac until Costco replaced the yellow-container formula with the Perrigo-made blue-container ProCare line in late 2019.
- Hearing Aids (KS4–KS10; line discontinued 2022) Change logged
A manufacturer change is on the record for this product — previously attributed to Sivantos (Rexton).
Note Sivantos, selling in Costco under its Rexton label, manufactured the KS7 (launched September 2016 at $1,699/pair) and the KS8 (launched early 2018). Sonova replaced Sivantos when the KS9 contract was awarded in July 2019.
- unknown (last documented December 2018)Beer (Helles-Style Lager, discontinuation announced July 2026; Light Beer and Craft Variety Packs, discontinued) Change logged
A manufacturer change is on the record for this product — previously attributed to Gordon Biersch Brewing Company.
Note West Coast Kirkland beers carried the trade name "Hopfen und Malz Brewing Co." of San Jose, California - Gordon Biersch's San Jose plant. The Takeout's December 2018 variety-pack review stated the Kirkland beers were brewed by Gordon Biersch or Matt Brewing depending on region, and opened by noting the "recent demise of Kirkland Signature Light beer" (discontinued 2018 after years of poor reviews). The craft variety packs later left shelves with no announced end date.
- Beer (Helles-Style Lager, discontinuation announced July 2026; Light Beer and Craft Variety Packs, discontinued) Change logged
A manufacturer change is on the record for this product — previously attributed to F.X. Matt Brewing Company.
Note East Coast Kirkland beers came from Matt Brewing of Utica, New York (brewer of Saranac), per The Takeout's December 2018 review of the craft variety pack; East Coast packaging carried Utica trade names rather than Matt's own brand.
- 2017Performance+ Golf Ball (V3.0, three-piece urethane) Change logged
A manufacturer change is on the record for this product — previously attributed to Nassau Golf Co., Ltd..
Note Original four-piece K-Sig ball, widely attributed (unverified) to Nassau Golf of South Korea; pulled from the U.S. market amid the Acushnet patent/false-advertising dispute. The litigation never names a manufacturer — it establishes only that packaging said the balls were made in Korea, and that the case settled.
- August 2016Extra Virgin Olive Oil (Italian 2 L / Organic 2 L) Change logged
A manufacturer change is on the record for this product — previously attributed to Unnamed Greek suppliers.
Note Attributed (unverified) at the country level only: Costco corporate switched the 2 L Kirkland Signature EVOO — "the main sales driver for the past few years" — to 100% Greek oil in April 2015 and back to Italian oil in August 2016, per Costco buyer Chad Sokol on record with Olive Oil Times. The Greek producers, and the Italian suppliers Costco returned to, were never publicly named.
- 2016Hearing Aids (KS4–KS10; line discontinued 2022) Change logged
A manufacturer change is on the record for this product — previously attributed to GN ReSound (GN Hearing).
Note GN ReSound manufactured the KS5 and KS6 generations, per Hearing Review. The KS6 link is independently deterministic: FDA's device registration and listing database shows "Kirkland Signature 6" listed as a proprietary name by five GN entities (GN ReSound Malaysia, GN ReSound China, GN Hearing A/S, GN Hearing Care Corporation).
- April 2015Extra Virgin Olive Oil (Italian 2 L / Organic 2 L) Change logged
A manufacturer change is on the record for this product — previously attributed to Certified Origins Italia.
Note Attributed (indirect — one of several import resources, never established as sole bottler): trade press reported Certified Origins Italia was "one of the resources employed by Costco for its EVOO imports" when the FDA detained and refused shipments from the producer in 2013. Costco dropped its Italian exporters entirely in April 2015.
- ~2013Hearing Aids (KS4–KS10; line discontinued 2022) Change logged
A manufacturer change is on the record for this product — previously attributed to Rexton (Siemens, later Sivantos).
Note Per Hearing Review's 2019 recap of the program's history, Rexton supplied the early Kirkland Signature product line, including the KS4, before GN ReSound took over for the KS5 and KS6. Launch years for the earliest KS generations are not well documented in accessible sources.
- 2012Organic Peanut Butter, Creamy, 28 oz, 2-count Change logged
A manufacturer change is on the record for this product — previously attributed to Sunland, Inc..
Note Sunland's Portales, New Mexico peanut butter plant made Kirkland natural and organic peanut butter until the September 2012 Salmonella recall: the expanded recall notice of October 4, 2012 — posted on costco.com — lists 'Kirkland Natural Peanut Butter Creamy' and 'Kirkland Organic Creamy Peanut Butter' among the products manufactured in the plant. The FDA suspended Sunland's food-facility registration on November 26, 2012 (its first-ever use of that 2011 food-safety-law power); Sunland briefly resumed operations in May 2013, then filed Chapter 7 bankruptcy in October 2013. No public source documents who made Kirkland peanut butter between Sunland's collapse and the Hampton Farms-era listing data.
- August 2009Super Premium Vanilla Ice Cream, 64 fl oz, 2-count Change logged
A manufacturer change is on the record for this product — previously attributed to Humboldt Creamery Association (farmer-owned cooperative).
Note The independent co-op made the Kirkland tub from at least November 2006 (CEO interview; start date not publicly confirmed). After CEO Rich Ghilarducci's abrupt February 2009 resignation, a book-cooking scandal that ended in his federal fraud conviction, and Chapter 11, Foster Farms Dairy (Crystal Creamery) bought the assets at the August 2009 bankruptcy auction. The brand, the Fernbridge plant, and — per the 2016 trade profile and the 06-1187 code on current tubs — the Costco production all continued under the new owner.
- date unknown
A manufacturer change is on the record for this product — previously attributed to Aurora Organic Dairy (organic milk line).
Note Documented supplier of Costco's Kirkland private-label organic milk in the December 2007 class-action era, when consumers in ~40 states alleged Aurora-supplied store-brand milk was mislabeled organic and USDA found Aurora had willfully violated 14 organic regulations (Aurora settled for $7.5M, admitting no wrongdoing). Aurora's Platteville, CO bottling plant carries FDA IMS code 08-29. The relationship was still being described in the present tense nine years later: certifier Where Food Comes From's March 2016 SEC-filed press release names 'Aurora Organic Dairy, which supplies milk for COSTCO's Kirkland Signature Milk brands' (source below), extending the documented era to at least 2016. The end of the Kirkland relationship is not publicly documented and current organic sourcing is 'unknown or changeable' per Cornucopia's Oct 2025 scorecard - so this is a documented-then-uncertain attribution for the organic line only, not a confirmed current maker or a cleanly dated change. Covers the organic cartons; conventional, lactose-free, and 2026 ultra-filtered variants are separate.
- Seasoned Rotisserie Chicken Change logged
A manufacturer change is on the record for this product — previously attributed to Foster Farms.
Note Foster Farms supplied the birds for Costco rotisserie chickens at least as of 2013, when the product label itself read 'Kirkland Signature Foster Farms' — documented in the CDC's record of the October 2013 salmonella Heidelberg recall at Costco's South San Francisco warehouse. No public source documents when the relationship began or whether it continues today; after Lincoln Premium Poultry opened in 2019 it covered roughly 43% of rotisserie supply, and Costco does not name who supplies the rest.
- Canned (Wet) Dog Food Change logged
A manufacturer change is on the record for this product — previously attributed to American Nutrition, Inc..
Note A 2007 FDA firm recall documents American Nutrition, Inc. (Ogden, Utah) as the canner of Kirkland Signature canned dog food as of 2007 — the recall list includes the 'Kirkland Signature Premium Dog 2-Flavor Variety Pack' and states 'These products represent a small percentage of those manufactured by American Nutrition.' Neither the start nor the end of this co-packing relationship is publicly documented, and American Nutrition merged into Alphia in 2020; the entry records the last verifiable maker of the cans, not a current attribution.
A manufacturer change is on the record for this product — previously attributed to Jim Beam.
Note The earliest Kirkland bourbon bottlings were Jim Beam-distilled: PUNCH (2017) reported "their previous bourbon was Jim Beam juice (according to TTB filings)," and Forbes (2021) independently listed Jim Beam as the first source. Exact years are not publicly documented.
A manufacturer change is on the record for this product — previously attributed to George Dickel.
Note Forbes (2021) reported an interim George Dickel-sourced period between the Jim Beam era and Barton: "Costco's original bourbon bottlings were sourced from Jim Beam and then George Dickel before ending up with Barton." Dates are not publicly documented, and PUNCH (2017) associated Dickel with the Kirkland Tennessee whiskey line rather than the bourbon — so this window rests on the single Forbes statement.
- Tequila (Silver, Reposado, Añejo) Change logged
A manufacturer change is on the record for this product — previously attributed to Fábrica de Tequilas Finos, S.A. de C.V..
Note NOM 1472 — attributed (unverified) as the prior distillery for the Añejo and some Silver bottlings, per Agave Matchmaker community bottle logs; exact date range not evidenced.
- Tequila (Silver, Reposado, Añejo) Change logged
A manufacturer change is on the record for this product — previously attributed to Destiladora del Valle de Tequila, S.A.P.I. de C.V. (Casa Maestri).
Note NOM 1438 — attributed (unverified) as the prior distillery for the Reposado and some Silver bottlings, per Agave Matchmaker community bottle logs; exact date range not evidenced.
- Tequila (Silver, Reposado, Añejo) Change logged
A manufacturer change is on the record for this product — previously attributed to La Madrileña, S.A. de C.V..
Note NOM 1142 — attributed (unverified) as the earlier producer of Kirkland tequila; Tasting Table (2023-11-01) reported it being phased out in favor of Santa Lucia. A KIRKLAND SIGNATURE brand registration still appears under La Madrileña on the CRT certified-brands list dated 2026-06-23, but no current bottling under NOM 1142 is reported.
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