Top Note Tonic crafts premium sparkling mixers and cocktail bases designed for the modern beverage enthusiast. Founded by Mary Pellettieri and Noah Swanson, the Milwaukee-based company is inspired by classic apéritifs and traditional tonic water formulas. Top Note formulates all-natural tonics, sodas and bitters syrups using real botanicals, fresh juices and cane sugar, avoiding high-fructose corn syrup and artificial flavors. Its product line includes Indian Tonic Water, Classic Tonic, Grapefruit Soda, Bitter Lemon and ginger beer, as well as small-batch limited releases. Top Note encourages home bartenders and mixologists to elevate drinks with balanced bitterness and layered aromatics. Their mixers are widely available at specialty retailers and through their online store.