World's Best Cat Litter

GPC Pet Products believes in happy, healthy pets. We understand, too, that pets are members of your family. They're important to you...and they're important to us. That's why we're committed to developing and producing the safest, most effective pet-care products on the market. We're also dedicated to building long-term relationships with our pet-owning customers by providing uncompromising customer service.

GPC Pet Products is a division of Grain Processing Corporation, a leading private manufacturer of corn-based products, including animal feeds; food, pharmaceutical and industrial starches; corn syrup solids and maltodextrins. These quality products are marketed worldwide from our headquarters and research/development facilities in Muscatine, Iowa