Who makes Kirkland Signature Organic Pure Maple Syrup, Canada Grade A (33.8 oz / 1 L)?
No reliable public evidence identifies the manufacturer of Kirkland Signature Organic Pure Maple Syrup, Canada Grade A (33.8 oz / 1 L) as of October 12, 2026.
The common claim
What’s commonly claimed, and what the evidence supports
Food-media roundups converge on two Canadian bottlers — Citadelle (the Plessisville, Quebec maple co-operative) and The Maple Treat Corporation (a subsidiary of the sugar company Lantic) — and several say Costco uses both as co-suppliers. None of these articles cites a label, lot code, importer record, or company/Costco statement; the naming is unsourced across every outlet, and reader discussion floats still other packers (B&G Foods' Maple Grove Farms, Decacer). Because the Kirkland bottle discloses only "Product of Canada" and no tier 1-5 source pins the current bottler, this record treats the maker as not reliably established.
Evidence & sources
Costco does not disclose its suppliers, and no tier 1–5 source names the maker of this product. Below are the databases and records we checked, and what each one returned.
Recall sweep — openFDA food-enforcement API + Health Canada / CFIA recalls database ("Kirkland" + maple syrup) July 5, 2026
No Kirkland Signature maple syrup recall on record. openFDA food-enforcement returned no Kirkland maple matches; the Canadian recall database surfaced only unrelated generic-brand maple recalls (e.g., a 9227-8712 Quebec Inc. / L'Erabeille pure maple syrup recall for container-integrity spoilage) that name no Kirkland link and no Kirkland co-packer. The recall route surfaced no bottler for this product.
Food-media / "who makes" sweep (Food Republic, Chowhound, Tasting Table, Mashed, Daily Meal) July 5, 2026
Every outlet converges on the same two Canadian bottlers as co-suppliers but cites no evidence. Food Republic (2026-03-26): names "Citadelle Maple Syrup and Lantic Maple. Citadelle Maple Syrup's headquarters is in Plessisville, Quebec ... Lantic operates The Maple Treat Corporation." Chowhound (2025-03-26): "Two Canadian companies supply maple syrup to Costco: The Maple Treat and Citadelle," adding The Maple Treat is "a subsidiary of Lantic, Canada's largest sugar company." Tasting Table (2025-03-13) repeats the same pair. None cites a label, lot code, importer record, or company/Costco statement — the naming is unsourced (tier 6) across all outlets, so it does not establish the current bottler. Reader discussion also floats other large packers (B&G Foods' Maple Grove Farms, Decacer). Food Republic archived: https://web.archive.org/web/20260414054052/https://www.foodrepublic.com/2129926/costco-kirkland-signature-maple-syrup/ (snapshot contains Citadelle, Maple Treat, Lantic, Plessisville — verified).
Label / country-of-origin check (Costco product page + Amazon import listing + food-press reviews) July 5, 2026
The bottle is labeled "100% Pure Organic Maple Syrup, Canada Grade A," imported from Canada, and discloses only Costco Wholesale as distributor — no bottler, sugarworks, or packing plant is named on the front label surfaced in listings. The Canada Organic operator name and the lot/production code printed on an actual bottle are the direct way to confirm who packed a given batch; those are legible only on a physical unit, and none has been read yet.
Costco's manufacturer field on Costco.com product pages (costco.com blocks bots, existing Wayback snapshots only) July 5, 2026
Neither the US product page (item 100333884, 33.8 oz) nor the Canadian product page (item 100417609, 1 L) has any Wayback snapshot (CDX checked, exact URL and prefix), and costco.com blocks automated fetching, so Costco's manufacturer field that resolved diapers and batteries is unavailable for this item. Capturing the live product page's manufacturer field still needs a manual browser check.
CourtListener + RECAP federal court / TTAB records ("Kirkland Signature" "maple syrup") July 5, 2026
One hit, unrelated: a 2017 TTAB trademark proceeding (Destileria Serralles, Inc. v. Kabushiki Kaisha Donq) that merely lists maple syrup in a goods description. No litigation names a supplier of Kirkland maple syrup.
ImportYeti / US customs bills of lading July 5, 2026
Structurally weak here and not resolved to a bottler: Costco masks many shipments via freight forwarders and imports Canadian maple in bulk, so import records neither surfaced nor could disprove a specific packer (tier 5 caveat).
Frequently asked
Who makes Kirkland Signature organic maple syrup?
Does Citadelle or The Maple Treat make Costco's maple syrup?
Where does Kirkland maple syrup come from?
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