- ABBOT
- ALCALÁ-FARMA
- ALK-ABELLÓ
- ALMIRALL PRODESFARMA
- ASTA MÉDICA
- ASTRA
- BAYER
- BOEHRINGER-INGELHEIM
- BRISTOL MYERS SQUIBB
- CEPA
- CONVATEC
- ELI-LILLY
- ESTEVE
- FERRER
- GLAXO WELLCOME
- HOESCHT MARION ROUSELL
- ICN PHARMACEUTICALS
- INIBSA
- INMUNOTEK
- ISOMED
- JOHNSON & JOHNSON
- KNOLL
- MEDEVA
- MENARINI
- MERCK SHARP & DOME
- NOVARTIS
- ORGANON
- OTSUKA
- PARKE DAVIS
- PFIZER
- PHARMACIA & UPJOHN
- RHONE POULENC RORER
- ROCHE
- SALVAT
- SMITHKLINE BEECHAM
- SOLVAY
- URIACH
- ZENECA
LOS LABORATORIOS
