Ozinga

Wholesale Building MaterialsIllinois, United States501-1000 Employees

Ozinga is a fifth-generation, family-owned American company in the wholesale building materials industry that provides concrete, materials, energy and logistics solutions. The business is based in Mokena, Illinois, at 19001 Old Lagrange Road, and employs between 501 and 1,000 people. Founded in 1928 by the great-grandfather, Ozinga has a long-standing focus on serving customers and communities with integrity and faith. It operates a large ready-mix concrete fleet and has expanded into volumetric concrete assets, including the 2026 acquisition of the volumetric assets of Elston Materials, and has pursued facility expansions such as a low-carbon cement mill in Indiana. The company has engaged in partnerships to modernize operations, including a 2025–2026 collaboration with Spitch US Corp to advance speech analytics for customer support and IT operations, and has signaled plans to deliver net-zero cement by 2030.

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