For more than 80 years, Grain Processing Corporation (GPC) has provided superior grain-based products and exceptional service to iconic brands and companies worldwide. From Field to Family®, GPC uses corn, chickpeas, soy and other grains and pulses to craft high-quality ingredients used in the food, beverage, industrial, agricultural and pet care industries. Headquartered in Muscatine, Iowa, with facilities across the United States, GPC is a fourth-generation, family-owned business.