• AgReliant Genetics
• AgriCorps
• Barr T Farms
• BASF Corporation
• Beck's Hybrids
• Berkshire Botanical Gardens
• Bunge Milling
• Cargill
• Country Visions Cooperative
• Dow AgroSciences
• DuPont Pioneer
• Effingham Equity
• Elawa Farm Foundation
• Farmers Mutual Hail
• Gray Research Production
• GROWMARK
• Hi-tech Farms
• Hughes's Seed Farms
• Illinois Foundation Seeds
• Insight FS
• Interoceanic Corporation
• Ipava State Bank
• JCJ Farms
• KWS
• Martin Auction Services
• McCormick Group
• Monsanto
• Napa Wine Company
• Norm Rademacher Farm
• Omnitracs
• Pioneer
• Prairieland FS
• PrimusLabs / Azzule Data Management
• ProHarvest Seeds
• Sailer Farms
• Select Botanicals Group
• Shoup Manufacuring
• Smith Fertilizer and Grain
• South Central FS
• Stine Seed
• Stine seed company
• University of Illinois at Urbana-Champaign
• University of Illinois Extension
• University of Nebraska-Lincoln
• Zehr Acres