- Amgen
- AstraZeneca
- Bristol Myers Squibb
- Dupont Pharmaceuticals
- Eli Lilly
- GlaxoSmithKline
- Janssen-Ortho
- Novartis
- Ortho Biotech
- Ortho-McNeil
- Patheon-MOVA
- Pfizer
- Procter & Gamble
- Rhône-Poulenc Rorer
- Roche Pharmaceuticals
- Schering-Plough
- Sanofy-Aventis
- Valeant Pharmaceuticals International
- Wyeth Pharmaceuticals
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