- Astra Zeneca, UK
- Astra Zeneca, Lund, Sweden
- Aventis International, France
- Aventis Pharma, UK
- Bayer Consumer Care, Switzerland
- Bioglan, UK
- Bristol Myers, UK
- Imro Tramarko
- Intervet Ltd, UK
- Knoll/BASF, UK
- Leo, Denmark
- Lundbeck, Denmark & UK
- Medtronic Europe, Switzerland
- Medtronic, UK
- Merck-Serono, Switzerland
- Novartis Consumer Care, Switzerland & USA
- Novex Pharma (Innovex), UK
- NV Organon, The Netherlands
- Organon Inc, USA
- Organon Labs, UK
- Orion, Finland
- Össur, UK
- Pfizer, UK
- Profiad, UK
- Q-Med, Sweden
- Roche, UK
- Roche Consumer Health, Switzerland
- Rosemont, UK
- Sandoz/Novartis, UK
- Schering Plough, UK
- Tramedico, The Netherlands
- TRB Chemedica, Switzerland & UK
- UCB Pharma, UK
- Wyeth, UK
- Yamanouchi Europe, The Netherlands
- Yamanouchi Pharma, UK
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