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 Corp. currently purchases recovered potato starch from all major North American French fry and potato chip processors.
Western Polymer Corp. has two facilities that receive recovered starch: Moses Lake, Washington and Grand Forks, North Dakota.
In 2013, Western Polymer Corp. also acquired the Aroostook Starch Company, LLC, in Fort Fairfield, Maine. Western Polymer will continue to process food grade potato starch at this location after some upgrades to the plant and equipment.