Cecilware, Omega, Margaritaville, Bunn, Nostalgia Electrics, Margarita Girl and Frosty Factory are all brands of frozen-drink machines. They can be purchased from WebstaurantStore, Lowe's or Amazon.com, as of 2015.
Granita/slushy machines make fruity, frozen smoothies, slushies, frozen cocktails and more. They are often used commercially in concession stands or ice-cream parlors to serve frozen drinks to customers. The clear containers allow customers to see the flavors easily while standing in line.
Reviews of each frozen-drink machine can be read on Amazon.com, allowing buyers to see star ratings and comments from previous customers. Prices vary widely depending upon the brand, model and features offered.