Update (November 2024) re Naturalis:
Sarah emailed a photo of the Naturalis 2023 Sauvignon Blanc, which has a vegan friendly logo on the bottle. Their website (https://www.tfewines.com/our-brands/naturalis/) also states "all [Naturalis] wines are vegan friendly, gluten-free and non-GMO."
Company email (September 2019)
[Company sent PDF listing vegan and non-vegan wines]
Company Email (circa 2019)
"Our Cabernet, Merlot and Meritage are not vegetarian or vegan."
Montevina Estate Barbera
Vegan
This product is listed as vegan friendly.
What the company told us
Correspondence on record, with the date of each entry.