Ozinga

Ozinga is a family-owned concrete and building-materials company founded in 1928 and headquartered in Mokena, Illinois. Now in its fourth generation, the firm supplies ready-mixed concrete, cement, aggregates, and bulk materials across the Midwest and beyond, with a growing focus on lower-carbon mixes. Ozinga is finishing North America’s largest low-carbon cement mill in East Chicago, Indiana, a plant sized for about one million tons a year of slag cement and its own CarbonSense blends. The company serves commercial, industrial, residential, and infrastructure projects.