• 3M Corporation
• Advanced Biotherapy
• Allergan
• American Home Products
• Amgen
• ANDA Management, LLC
• Ares-Serono
• arGentis Pharmaceutical
• Armour Pharmaceutical Co.(Aventis)
• Asahi Chemical
• Aventis
• Bank of America
• Bayer
• BioMarin
• BioMimetic Therapeutics
• Boehringer Ingelheim
• Bristol-Myers Squibb
• Burroughs Wellcome Co.
• Celltech
• Centocor
• Chiron
• Columbia Laboratories
• Connective Therapeutics
• Cumberland Pharma
• Cypros Pharmaceutical
• Daiichi Pharmaceutical Co.
• Daiichi Pharmaceutical, Ltd
• Darby Drug
• DaySpring Pharma
• Demegen
• DFB Pharmaceuticals
• DOR BioPharma, Inc.
• DuPont Merck
• Dynagen
• Filtron
• G. D. Searle
• Gene-Cell
• Genentech
• Genesis Pharmaceuticals
• Gensia
• Genzyme
• GlaxoSmithKline
• Gradient Medical
• Grassroots
• Harpeth Capital, LLC
• Healthpoint
• High-Tech Pharmacal, Co., Inc.
• INO Therapeutics
• Johnson & Johnson
• Marion Merrell Dow
• Matrix
• MCR American Pharmaceuticals
• MedChem Products
• Merck & Co.
• Merocel
• Miles Laboratories - Consumer Products Division
• Monsanto
• NABI
• Nastech
• Neose Pharmaceuticals
• Network PDF
• Neurocrine Biosciences, Inc.
• New Century Pharmaceuticals
• Nova Pharmaceuticals
• Novartis
• Oclassen Pharmaceuticals
• Orphan Medical
• Ortho Pharmaceuticals
• Osteotech
• Parco Merged Media
• Pfizer
• Pharmacia Upjohn
• PharmaSciences
• PharmItalia
• PointStake
• Prometheus Laboratories
• Provisio – iTrials
• Rhone Poulenc Rorer
• Roche Laboratories
• Rugby
• Sangstat Medical Corp.
• Schein Pharmaceutical
• SerVaas Laboratories
• SmashingIT
• SmithKline Beecham
• Stuart Pharmaceuticals
• Takeda
• Thuris Corporation
• Titan Pharmaceuticals
• Triax Pharmaceutics
• Tutarus Corporation
• Virtual Drug Development
• Xcel Pharmaceutical
• Zeneca