Industrial Ingredients, Inc. (directions) Industrial Ingredients, Inc. (III) was founded in 1981 as a privately held company to provide nationwide distribution for a wide range of raw materials. III serves a variety of industries which include the food, personal care, pharmaceutical, nutritional and vitamin industries well as specialty industrial markets. III has a well-deserved reputation for reliable supply and on-time nationwide delivery from multiple distribution facilities throughout the United States. The III Division is an authorized distributor for a variety of starches, dry sweeteners and sugar-free sweeteners for Roquette America. III is headquartered in Keokuk Iowa.