L & W Supply Co

In 1948, John Oremus founded Prairie Material with three trucks and a load of stone. Prairie Material is one of the Midwest's largest family-owned and managed producers of ready-mix concrete and building materials. The company has four divisions that serve customers in Illinois, Indiana, Michigan and Wisconsin. It supplies products such as ready-mix concrete, face and paving brick and aggregate. Prairie Material has a location in Bridgeview, Ill.

Established in 1968, Kuriyama of America develops and markets a range of thermoplastic hose and accessories. It offers thermoplastic, rubber and metal hose products and accessories, including couplings and fittings for use in industrial and commercial applications. The company operates through various subsidiaries and distribution centers. Kuriyama of America has achieved its ISO 9001:2000 certification from the International Organization for Standardization. Its product range features Alfagomma, Hose Tec, Tigerflex, TigerDuct, Neo-Duct and Kuri Tec. Kuriyama of America is a part of Kuriyama Corporation, which includes industrial materials manufacturing and sales entities in North America and Asia, as well as construction and sports facilities materials manufacturing and sales in Japan.