Bottles of Costco's Kirkland Signature balsamic vinegar on a store shelf

Which Company Is Behind Costco's Kirkland Brand Balsamic Vinegar?

NEWS

By PATRICK MATHERLY

Bottle of Kirkland Signature balsamic vinegar
Costco doesn't make its balsamic vinegar in-house. Instead, it partners with an established producer to do it for them: Acetum, which makes its vinegar in Modena, Italy.
Botte of balsamic vinegar beside a bunch of green grapes
Acetum, founded in 1906, is the largest producer of certified balsamic vinegar of Modena with Protected Geographical Indication, with over 6 million gallons produced annually.
Barrels of balsamic vinegar
Kirkland balsamic vinegar has the Protected Geographical Indication and the Balsamic Vinegar Consortium stamps, indicating high-quality ingredients and processing standards.