• ArcelorMittal Steel
• Archer Daniels Midland
• Ashland
• Best Foods
• BP
• Cargill
• Citgo
• Con Agra Foods
• Corn Products International
• Criterion Catalysts & Technologies
• Dominion
• Dover Chemical Corporation
• Ecolab
• ELG Metals
• Elgin, Joliet & Eastern Railway Company

• Exxon Mobil
• Hammond Port Authority
• Holcim
• Horsehead Corporation
• Indiana Harbor Coke Company
• Koch Industries
• Macsteel Service Centers USA
• Madison Paper Industries
• Material Service Corporation
• Nucor Vulcraft Group
• Rhodia
• Savage Services Corporation
• U.S. Steel Corporation
• Unilever