The catalog
Kirkland Signature, graded
Costco does not disclose who makes its Kirkland Signature line. We research each product, grade the attribution against a six-tier evidence rubric, archive every citation, and publish an honest unknown when the proof isn’t there. 150 products researched so far, across 20 categories.
Pantry Creamy Almond Butter, 27 oz Unknown Maker not established Pantry Organic Animal Crackers, 4 lbs Unknown Maker not established Pantry Organic Apple Cider Vinegar, Raw & Unfiltered (32 fl oz, 3-count) Unknown Maker not established Pantry Balsamic Vinegar of Modena Rumored Rumored: Acetum S.p.A. Pantry Milk Chocolate Roasted Almonds, 3 lb Unknown Maker not established Pantry Milk Chocolate Covered Raisins, 3.4 lb (54 oz) Unknown Maker not established Pantry Organic Unbleached All-Purpose Flour, 10 lb (2-count) Rumored Rumored: Central Milling Pantry Soft & Chewy Granola Bars, 0.85 oz, 64-count Probable Points to Leclerc Foods USA (Leclerc Group) Pantry Organic Hummus (2.5 oz cups, 20-count; 32 oz tubs) Unknown Maker not established Pantry Gourmet Jelly Belly Beans, 49 Flavors, 64 oz Confirmed Made by Jelly Belly Candy Company Pantry Kettle Brand Krinkle Cut Potato Chips, Himalayan Salt, 32 oz Confirmed Made by Kettle Foods (Campbell Soup Company) Pantry Macadamia Clusters, Salted Caramel & Milk Chocolate, 32 oz Unknown Maker not established Pantry Organic Pure Maple Syrup, Canada Grade A (33.8 oz / 1 L) Unknown Maker not established Pantry Organic Marinara from Tuscany (3 x 24 oz / 650 mL jars) Unknown Maker not established Pantry Real Mayonnaise, 64 oz Unknown Maker not established Pantry Microwave Popcorn, Movie Theater Butter, 3.3 oz, 44-count Probable Points to Weaver Popcorn Manufacturing, LLC Pantry Nut Bars, 1.41 oz, 30-count Probable Points to Leclerc Foods USA (Leclerc Group) Pantry Extra Virgin Olive Oil (Italian 2 L / Organic 2 L) Unknown Maker not established Pantry Organic Strawberry Spread, 42 oz Unknown Maker not established Pantry Organic Tortilla Chips, 40 oz Unknown Maker not established Pantry Organic Peanut Butter, Creamy, 28 oz, 2-count Confirmed Made by Hampton Farms (Severn Peanut Co.) Pantry Peanut Butter Filled Pretzel Nuggets, 55 oz Probable Points to Bay Valley Foods, LLC (TreeHouse Foods) Pantry Protein Bar, Variety Pack, 2.12 oz, 20-count Probable Points to Come Ready Foods, LLC (Ready Nutrition) Pantry 100% U.S. Raw, Unfiltered Honey (3 lb) Rumored Rumored: Rice's Honey (Local Hive) Pantry Whole Grain Rolled Oats, 10 lbs Unknown Maker not established Pantry Organic Salsa, Medium, 38 oz (2-count) Unknown Maker not established Pantry Trail Mix, 4 lbs Unknown Maker not established Pantry Pure Vanilla Extract, 16 fl oz Unknown Maker not established
Beverages Alkaline Water, 1 L, 18-count Probable Points to Niagara Bottling Beverages Apple Juice, Fresh Pressed, 128 fl oz, 2-count Unknown Maker not established Beverages Organic Coconut Water, 11.1 fl oz, 12-count Unknown Maker not established Beverages Ocean Spray Cranberry Premium 100% Juice, 96 fl oz Confirmed Made by Ocean Spray Cranberries, Inc. Beverages Sparkling Energy Drink, Variety Pack, 12 fl oz, 24-count Probable Points to MPL Brands Beverages Energy Shot, 2 fl oz, 48-count Unknown Maker not established Beverages Ito En Matcha Blend Japanese Green Tea Confirmed Made by Ito En Beverages Italian Sparkling Mineral Water, 16.9 fl oz, 24-count Probable Points to La Galvanina S.p.A. Beverages Organic Raw Kombucha, Ginger Lemonade, 16 fl oz, 8-count Unknown Maker not established Beverages Premium Margarita Cocktail Mix (Non-Alcoholic), 1.75 L Unknown Maker not established Beverages Orange Juice, Not from Concentrate, 59 fl oz, 3-count Unknown Maker not established Beverages Purified Drinking Water, 16.9 fl oz, 40-count Probable Points to Niagara Bottling Beverages Sparkling Water, Variety Pack, 12 fl oz, 35-count Probable Points to Niagara Bottling Beverages Vita Rain Zero, Variety Pack, 20 fl oz, 24-count Probable Points to Niagara Bottling
Coffee Colombian Cold Brew Coffee, Ready-to-Drink, 12 fl oz cans Confirmed Made by Berner Foods, Inc. Coffee 100% Colombian Coffee (Supremo Bean), Dark Roast (3 lbs) Probable Points to Rogers Family Company Coffee Espresso Blend Whole Bean Coffee, Dark Roast (2.5 lbs) Unknown Maker not established Coffee French Roast Whole Bean Coffee, Dark Roast (2.5 lbs) Unknown Maker not established Coffee House Blend Whole Bean Coffee, Medium Roast (2.5 lbs) Unknown Maker not established Coffee Coffee K-Cup Pods (Organic Breakfast Blend, Summit Roast, Pacific Bold), 120-count Confirmed Made by Keurig Green Mountain (Green Mountain Coffee Roasters)
Dairy Imported French Brie (Isigny Sainte-Mère, Double Cream, 21.16 oz) Confirmed Made by Isigny Sainte-Mère Dairy Sweet Cream Butter (Salted and Unsalted), 16 oz, 4-count Confirmed Made by Continental Dairy Facilities Southwest, LLC (Select Milk Producers) Dairy Cream Cheese (8 oz bricks, 6-count) Probable Points to Schreiber Foods Dairy Organic Greek Nonfat Yogurt, Plain (48 oz / 3 lb tub) Probable Points to Ehrmann Commonwealth Dairy (acquired by Lactalis Group, 2019) Dairy Ice Cream Bars (Vanilla Dipped in Chocolate with Roasted Almonds), 3.1 fl oz, 18-count Unknown Maker not established Dairy Milk (regionally bottled; organic, lactose-free, and ultra-filtered variants) Unknown Maker not established Dairy Organic Non-Dairy Oat Beverage (32 oz, 6-count) Probable Points to SunOpta Inc. Dairy Aged Parmigiano Reggiano (24-month DOP wedge and whole wheel) Confirmed Made by Formaggi Zanetti (Zanetti S.p.A.) Dairy Super Premium Vanilla Ice Cream, 64 fl oz, 2-count Confirmed Made by Humboldt Creamery (a Crystal Creamery / Foster Farms Dairy brand since 2009)
Meat Sliced Bacon (Regular & Thick-Cut, Hickory Smoked) Unknown Maker not established Meat Grass-fed Beef Sticks, 1.15 oz, 12-count Probable Points to Oberto Snacks Inc. Meat Spiral Sliced Ham, Hickory Smoked (9 lb avg wt) Unknown Maker not established Meat Beef Hot Dogs, 12 Links, 1.5 lbs Confirmed Made by Costco Wholesale (self-manufactured — Costco Wholesale Meat Plant, Tracy, CA) Meat Mild Italian Sausage, 56 oz Unknown Maker not established Meat Seasoned Rotisserie Chicken Confirmed Made by Costco Wholesale (Lincoln Premium Poultry, Fremont, NE)
Frozen Italian Sausage and Beef Lasagna, 3 lbs, 2-count Probable Points to Request Foods, Inc. Frozen Pepperoni Pizza, Thin Crust, 19.05 oz, 4-count Confirmed Made by Palermo Villa, Inc. Frozen Meatballs, Italian Style Beef, 6 lbs Probable Points to Costco Wholesale (self-manufactured — Costco Wholesale Meat Plant, Tracy, CA) Frozen Lightly Breaded Chicken Breast Chunks, Boneless Skinless, 4 lbs Unknown Maker not established Frozen Three Berry Blend, 4 lb Confirmed Made by Townsend Farms, Inc.
Wine Brut Champagne (NV, Champagne AOC, France) Confirmed Made by Manuel Janisson (Champagne Janisson & Fils, Verzenay; estate owned by Moët & Chandon/LVMH since 2019) Wine Malbec (Mendoza, Argentina) Confirmed Made by Trapiche (Broquel Winery) Wine Ti Point Marlborough Sauvignon Blanc Confirmed Made by Ti Point Wines Wine Napa Valley Cabernet Sauvignon Probable Points to DC Flynt MW Selections Wine Friuli Grave Pinot Grigio (Italy) Unknown Maker not established Wine Prosecco (Italian DOC / DOCG sparkling) Unknown Maker not established Wine Red Blend (California / Napa Valley bottlings) Probable Points to DC Flynt MW Selections Wine Côtes de Provence Rosé Confirmed Made by Élie Sumeire (Famille Sumeire) Wine Russian River Valley Pinot Noir Probable Points to DC Flynt MW Selections
Spirits Barrel Aged Rum (20 Year Panama; line incl. 15 Year Panama and Guatemala aged rum) Unknown Maker not established Spirits Small Batch Kentucky Straight Bourbon (line incl. Bottled-in-Bond and Single Barrel) Confirmed Made by Barton 1792 Distillery (Sazerac Company) Spirits Blended Canadian Whisky (1.75 L) Unknown Maker not established Spirits Cognac (XO and VS) Confirmed Made by Maison Peyrat (Peyrat-Associés & Cie) Spirits Eggnog Liqueur (seasonal) Unknown Maker not established Spirits Irish Cream Liqueur (Ireland, 1.75 L) Unknown Maker not established Spirits Irish Whiskey, Aged 4 Years (1.75 L) Unknown Maker not established Spirits London Dry Gin (88 proof) Confirmed Made by Tennessee Distilling Group Spirits Scotch Whisky (line: Blended, 12-Year Blended, Islay Single Malt, Highland & Speyside Single Malts) Confirmed Made by Alexander Murray & Co. (independent bottler) Spirits Spiced Rum (1.75 L) Confirmed Made by Sazerac Company Spirits Tennessee Sour Mash Whiskey, Aged 4 Years (1.75 L) Probable Points to Tennessee Distilling Group Spirits Tequila (Silver, Reposado, Añejo) Probable Points to Corporativo Destileria Santa Lucia, S.A. de C.V. Spirits American Vodka (1.75 L) Confirmed Made by LeVecke Corporation Spirits French Vodka (1.75 L) Confirmed Made by Distillerie de Gayant Spirits Vodka + Soda, 18-Can Variety Pack Unknown Maker not established
Household Reynolds Foodservice Foil, 12 in x 1,000 ft Confirmed Made by Reynolds Consumer Products Household AA/AAA Alkaline Batteries Confirmed Made by Duracell Household Ultra Shine Liquid Dish Soap, Fresh, 90 fl oz Confirmed Made by KIK International LLC Household Ultra Shine Automatic Dishwasher Pacs Probable Points to First Quality Enterprises (Home Care Products division) Household Ultra Soft Premium Liquid Fabric Softener, Refreshing Scent Probable Points to First Quality Enterprises (Home Care Products division) Household Moist Flushable Wipes Confirmed Made by Nice-Pak Products, Inc. Household Freezer Gallon Plus / Quart Plus Bags, Double Zipper Unknown Maker not established Household Ultra Clean HE Liquid Laundry Detergent, 146 Loads, 194 fl oz Probable Points to First Quality Enterprises (Home Care Products division) Household Ultra Clean HE Laundry Detergent Pacs, 152 ct Probable Points to First Quality Enterprises (Home Care Products division) Household Nitrile Exam Gloves, 400-count Unknown Maker not established Household Chinet Red Plastic Cups, 18 oz, 240 ct Confirmed Made by Huhtamaki (Chinet brand) Household Flex-Tech Kitchen Trash Bags, 13 Gallon, 200 ct Unknown Maker not established
Paper Goods Facial Tissue, 3-Ply, 84-count, 12-pack Unknown Maker not established Paper Goods Napkins, 1-Ply, 280-count, 4-pack Unknown Maker not established Paper Goods Paper Towels, 2-Ply, 160 Sheets, 12 Rolls Unknown Maker not established Paper Goods Bath Tissue, 2-Ply, 380 Sheets, 30 Rolls Unknown Maker not established
Home Professional Charcoal Briquettes, 30 lbs Unknown Maker not established Home by Samsonite Hardside Spinner (Polycarbonate, 29 in) Confirmed Made by Samsonite Home by Stearns & Foster Mattress (Lakeridge / Hope Bay) Confirmed Made by Stearns & Foster Home BBQ Hardwood Pellets (Premium Blend, 40 lb) Unknown Maker not established
Beauty & Personal Care Bar Soap with Shea Butter, 4.5 oz (15 Bars) Confirmed Made by Vanguard Soap Beauty & Personal Care Liquid Body Wash, Natural Citrus, 27 fl oz, 2-count Unknown Maker not established Beauty & Personal Care Daily Makeup Remover Towelettes, 180-count Unknown Maker not established Beauty & Personal Care Professional Salon Formula Moisture Shampoo & Conditioner (33.8 fl oz) Probable Points to Cosway Company, Inc.
Health Extra Strength Acetaminophen 500 mg, 1,000 Caplets Unknown Maker not established Health AllerClear (Loratadine 10 mg), 365 Tablets Probable Points to Perrigo Health Daily Disposable Contact Lenses (90-pack) Confirmed Made by CooperVision Health Fish Oil 1000 mg., 400 Softgels Probable Points to Pharmavite Health Hearing Aid Batteries (Zinc Air, Sizes 10, 13, 312, 675) Unknown Maker not established Health Hearing Aids (KS4–KS10; line discontinued 2022) Confirmed Made by Sonova Health Ibuprofen 200 mg, 500 Tablets Probable Points to Perrigo Health Krill Oil 500 mg, 180 Softgels Probable Points to WN Pharmaceuticals Health Minoxidil 5% (Men's Extra Strength Hair Regrowth Solution and Foam) Probable Points to Perrigo Health OptiFiber Prebiotic Fiber Supplement, 26.8 oz (190 Servings) Unknown Maker not established Health Daily Multi (Multivitamin), 500 Tablets Probable Points to International Vitamin Corporation Health Whey Protein, Creamy Chocolate, 5.4 lbs Unknown Maker not established
Pet Canned (Wet) Dog Food Unknown Maker not established Pet Super Premium Dry Cat Food Confirmed Made by Diamond Pet Foods Pet Dental Chews (Grain-Free, 72-count) Unknown Maker not established Pet Super Premium Dry Dog Food Confirmed Made by Diamond Pet Foods Pet Nature's Domain Grain-Free Dry Dog Food Confirmed Made by Diamond Pet Foods Pet Wet (Canned) Cat Food, Pâté Unknown Maker not established
Auto Automotive Battery (lead-acid; discontinued, replaced by Interstate) Unknown Maker not established Auto Gasoline (Regular 87 / Premium 91, sold at Costco fuel stations) Unknown Maker not established Auto Motor Oil (Full Synthetic 0W-20, 5W-20, 5W-30) Confirmed Made by Highline Warren (formerly Warren Distribution)
Sporting Goods Performance+ Golf Ball (V3.0, three-piece urethane) Probable Points to SM Global, LLC Sporting Goods Golf Clubs (KS1 putter, wedges, Players Distance irons, driver) Probable Points to Southern California Design Company (SCDC) Sporting Goods Golf Gloves, Premium Cabretta Leather (4-pack) Unknown Maker not established