Proof Mark

Cardinal Spirits, Cardinal Spirits LLC — Bloomington, IN

Indiana

About Proof Mark

Proof Mark is a vodka brand with origins in Indiana. The spirit is classified as vodka and bottled at a proof level between 80 and 89, placing it in the standard spirit category. According to TTB records, the brand maintains a single distinct product offering currently available through retail channels. The brand has received one label approval from the Alcohol and Tobacco Tax and Trade Bureau, with the most recent approval documentation dated to 2025. As an Indiana-based vodka producer, Proof Mark represents the state's participation in the broader American spirits market. The brand's straightforward classification and single product line suggest a focused approach to vodka production and distribution. Proof Mark vodka is available for purchase through spirits retailers that carry vodka selections, with its 80-89 proof specification making it suitable for standard cocktail applications and direct consumption.