- Abbott
- American home products
- Astellas Pharma
- AstraZeneca
- Bayer
- Boehringer-Ingelheim
- Bristol-Myers Squibb
- Dokteronline
- Eli Lilly and Company
- GlaxoSmithKline
- Hoechst
- Janssen-Cilag B.V.
- Johnson & Johnson
- Merck & Co.
- Novartis
- Novo Nordisk
- Pfizer, Inc
- Pharmaia
- Primagon
- Procter&Gamble
- Roche
- Solvay Pharma