Grain Processing Corporation (GPC) is a leading manufacturer and worldwide marketer of corn-based products including maltodex ... trins, corn syrup solids, and starches for the food, pharmaceutical, and personal care markets; ethyl alcohol for beverage and industrial use; starches for the paper, corrugated box, textile, and wallboard industries; corn oil; animal feed ingredients, and pet care products. GPC is a privately-owned company with a solid history and the vision for continued success in the future. read more