Abbott Laboratories Aventis and AgrEvo USA Company Agrimar Corporation Agrium US Inc. Agtrol International Auxein Corporation BASF Corporation Bayer Corporation - Agricultural Information Bayer Corporation - Pest Control Cal Crop USA Cenex/Land O'Lakes Agronomy Company Cheminova, Inc. Consep, Inc. Dow AgroSciences Drexel Chemical Company E.I. duPont de Nemours & Co., Inc Ecogen, Inc. Elf Atochem North America, Inc. FMC Corporation Gowan Company Griffin LLC Gustafson, Inc. Helena Chemical Company J. R. Simplot Company Mineral Research & Devel. Corp. Monsanto Company Monterey Chemical Company Mycogen Corporation Mycotech Corporation Novartis Crop Protection, Inc. Old Bridge Chemicals, Inc. Pace International LLC PBI Gordon Corporation Rhone-Poulenc Ag Company Riverdale Chemical Company Rohm and Haas Company Sanitek Sipcam Agro USA, Inc. Tomen Agro, Inc. Troy Biosciences, Inc. UCB Chemicals Corporation Uniroyal Chemical Company, Inc. Valent USA Corporation Western Farm Service Wilbur-Ellis Company WILFARM L.L.C. ZENECA Ag Products