Costco owns Kirkland Signature olive oil; its Toscano PGI program uses Tuscan growers, mills and bottlers, while other Kirkland oils have different origins and no universal current bottler is confirmed. [1][2]

Who makes Kirkland Olive Oil?

Owner
Kirkland Signature is Costco’s private label. The 2025 annual report identifies the brand as part of Costco’s own retail business. [1]
Made by
Costco’s 2018 archive describes a network of Tuscan grower cooperatives and local milling and bottling for Toscano PGI. It does not name a single company making every Kirkland olive oil. [2]
Made in
For Toscano PGI, the documented chain mills, bottles and numbers the oil in Tuscany. The same archive distinguishes other oils from Greece, Italy and Spain; a statement about one oil is not a country claim for every bottle. [2]

Last checked · 3 sources · English source review

Kirkland Olive Oil supply chain map

Select a node to inspect its role and evidence. Arrows show ownership or manufacturing relationships, not shipment volumes.

Brand

→ Owner

→ Manufacturer

→ Factory

Kirkland Olive Oil

Costco owns Kirkland Signature olive oil; its Toscano PGI program uses Tuscan growers, mills and bottlers, while other Kirkland oils have different origins and no universal current bottler is confirmed.

Evidence: [1][2]

Text version of the map

  • Kirkland Olive Oil (Brand): Costco owns Kirkland Signature olive oil; its Toscano PGI program uses Tuscan growers, mills and bottlers, while other Kirkland oils have different origins and no universal current bottler is confirmed. [1][2]
  • Kirkland Olive Oil → Costco Wholesale (Owner): Kirkland Signature is Costco’s private label. The 2025 annual report identifies the brand as part of Costco’s own retail business. [1]
  • Costco Wholesale → Kirkland Olive Oil manufacturing (Manufacturer): Costco’s 2018 archive describes a network of Tuscan grower cooperatives and local milling and bottling for Toscano PGI. It does not name a single company making every Kirkland olive oil. [2]

Who owns Kirkland Olive Oil?

Kirkland Signature is Costco’s private label. The 2025 annual report identifies the brand as part of Costco’s own retail business. [1]

Ownership guides: Costco Hot DogsKirkland BatteriesKirkland BourbonKirkland cat foodKirkland CoffeeKirkland DiapersKirkland Dog FoodKirkland FormulaKirkland Golf BallsKirkland paper towelsKirkland Protein BarsKirkland TequilaKirkland Toilet PaperKirkland VodkaKirkland waterKirkland whiskeyKirkland WineKirkland Signature

Who actually makes Kirkland Olive Oil products?

Costco’s 2018 archive describes a network of Tuscan grower cooperatives and local milling and bottling for Toscano PGI. It does not name a single company making every Kirkland olive oil. [2]

Where are Kirkland Olive Oil products made?

For Toscano PGI, the documented chain mills, bottles and numbers the oil in Tuscany. The same archive distinguishes other oils from Greece, Italy and Spain; a statement about one oil is not a country claim for every bottle. [2]

Is Kirkland Olive Oil made in China or the USA?

The reviewed evidence establishes European origins for the specified oils. It does not support a universal US or China origin; the current bottle’s origin and harvest information matter. [2][3]

Same factory, different label

In August 2016, trade reporting described the main private-label blend returning from Greek to Italian sourcing. Historical mention of Certified Origins Italia does not establish the current bottler, sole supplier or equivalence to another retail brand. [3]

Compare the sourced ownership and manufacturing guides: Kirkland SignatureKirkland CoffeeKirkland Protein BarsCostco Hot DogsGreat ValueMember’s MarkonnKirkland BatteriesKirkland Dog FoodKirkland BourbonKirkland Golf BallsKirkland Toilet PaperKirkland TequilaKirkland DiapersKirkland paper towelsKirkland VodkaKirkland cat foodKirkland FormulaKirkland waterKirkland whiskeyKirkland Wine

Ownership timeline

  1. 1996: Costco began its Tuscan grower program, according to the 2018 archive. [2]
  2. 2016-08-23: Trade reporting described the return of the main blend to Italian sourcing. [3]
  3. 2018: Costco documented separate Tuscan PGI and other single-origin programs. [2]

Frequently asked questions

4 questions about this supply chain, answered from the records above.

Who makes kirkland olive oil?

Costco’s 2018 archive describes a network of Tuscan grower cooperatives and local milling and bottling for Toscano PGI. It does not name a single company making every Kirkland olive oil.[2]

Who owns kirkland?

Kirkland Signature is Costco’s private label. The 2025 annual report identifies the brand as part of Costco’s own retail business.[1]

Where is kirkland olive oil made?

For Toscano PGI, the documented chain mills, bottles and numbers the oil in Tuscany. The same archive distinguishes other oils from Greece, Italy and Spain; a statement about one oil is not a country claim for every bottle.[2]

Who makes kirkland organic olive oil?

Costco’s 2018 archive describes a network of Tuscan grower cooperatives and local milling and bottling for Toscano PGI. It does not name a single company making every Kirkland olive oil.[2]

Sources and scope

Year-only source dates denote the report’s coverage year. Dated disclosures establish the facts described at that time. Plant output, contracts and ownership can change; this is a selected map, not a complete supplier census.

  1. [1] Costco 2025 Annual Report — 2025 · Primary source · Reviewed 2026-10-21.

    Identifies Kirkland as Costco’s private label; shareholder letter marks its 30th anniversary and expanded meat and coffee manufacturing.

  2. [2] Costco 2018 Sustainability Commitment archive — 2018 · Primary source · Reviewed 2026-10-21.

    Describes Kirkland supplier collaboration and traceability, including milling and bottling Toscano PGI oil in Tuscany and distinct olive-oil origins.

  3. [3] Costco switches back to Italian oil for its private label — 2016-08-23 · Reporting · Reviewed 2026-10-21.

    Dated buyer reporting distinguishes the Greek sourcing period from the return to Italian oil; historical suppliers are not a current bottler list.

Unconfirmed

  • Current bottler and mill for every SKU/harvest; one exclusive supplier for the whole range.