Jefferson's Bourbon is a Louisville, Kentucky-based brand of bourbon whiskey which is distilled, blended, and bottled in the US by Pernod-Ricard. The brand was first released in 1997. Jefferson's has used experimental blending and aging techniques, such as aging bourbon at sea, where wave action can affect the product's development. It also produces a rye whiskey. Jefferson's works in four step process for making bourbon which is: Distill, age, cut to proof and bottle putting more time and focus into the maturation process.