Frito-Lay North America is the division which controls Frito-Lay product research and development, sales, and distribution within the U.S. and Canada. Its primary brands include Lay's and Ruffles potato chips, Doritos tortilla chips, Tostitos tortilla chips and dips, Cheetos cheese flavored snacks, Fritos corn chips, Rold Gold pretzels, Sun Chips, and Cracker Jack popcorn. Products made by this division are sold to independent distributors and retailers, and are transported from Frito-Lay's manufacturing plants to distribution centers, primarily in vehicles owned and operated by the company.[35]