Manufacturers of Potato Starch and Derivates in the Americas

Western Polymer Corporation (WPC) of Moses Lake, Washington, is the largest wet-end cationic potato starch supplier to the paper industry in the U.S. Northwest. In addition, WPC supplies and services paper mills throughout the United States.

Western Polymer Corporation Fort Fairfield is a production facility located in Fort Fairfield, Maine, United States. The site manufactures food-grade starch from potatoes as part of Western Polymer Corporation's operations.

Western Polymer Corporation Grand Forks is a production facility located in Grand Forks, North Dakota, United States.