Northern Illinois Service Company

Thelen Materials LLC, located in Antioch, Illinois, specializes in providing a variety of materials including aggregate, gravel, and sand as well as specialty and recycled products. The company also offers transportation and delivery services for their products to meet diverse customer needs. With additional facilities in Genoa City, Wisconsin, and Lakemoor, Illinois, Thelen Materials prides itself on ensuring high-quality supplies and services within the construction and landscaping sectors. Their commitment to sustainability is reflected in their range of recycled and organic materials available for various projects. Generated from the website

J.W. Peters, located in Burlington, Wis., is a global leader in the construction of precast parking garages-with more than 400 completed. The company was incorporated in 1961 and was acquired by Cretex Companies in 1977. In 2003, PBM, another Cretex company, merged with J.W. Peters in order to more effectively serve customers and have a single contact point. J.W. Peters operates two PCI certified manufacturing plants in five states. Its customer base consists of general contractors, architects, engineers, real estate developers and local, state and federal government agencies.