Rack & Riddle Custom Wine Services is a California-based company specializing in custom crush winemaking services, with a focus on producing sparkling wines using the traditional French Méthode Champenoise technique. They offer private label sparkling wine services, Charmat and still wine services, and sustainable farming practices for clients of all sizes, from small boutique wineries to major corporations. With a team of experienced winemakers and state-of-the-art facilities in Sonoma County, Rack & Riddle crafts competitive wines that have garnered recognition at professionally judged tastings. Their dedication to quality and expertise ensures clients receive distinctive wines they can be proud to share, sell, and savor.