| 2004 | LABORATORIO DALAS |
| 2004 | LABORATORIO DUPOMAR - FERRING |
| 2004 | LABORATORIO ELEA |
| 2004 | LABORATORIO FARMESA |
| 2004 | LABORATORIO FERRING |
| 2004 | LABORATORIO ICN ARG. |
| 2004 | LABORATORIO IVAX |
| 2004 | LABORATORIO MERCK-SHARP & DOHME ARG |
| 2004 | LABORATORIO NOVARTIS ARG. |
| 2004 | LABORATORIO ORGANON ARG. |
| 2004 | LABORATORIO RIVERA |
| 2004 | LABORATORIO ROUX - OCEFA |
| 2004 | LABORATORIO SIDUS |
| 2004 | LABORATORIO WYETH S.A. |
| 2004 | LABORATORIOS AEROPHARMA |
| 2004 | LABORATORIOS ALLERGAN PRODUCTOS FARMACEUTICOS S.A. |
| 2004 | LABORATORIOS BERNABO S.A. |
| 2004 | LABORATORIOS CRAVERI |
| 2004 | LABORATORIOS ELEA PHOENIX S.A. |
| 2004 | LABORATORIOS GADOR |
| 2004 | LABORATORIOS GLAXO SMITH KLINE ARG. S.A. (GSK) |
| 2004 | LABORATORIOS RAFFO y MONTEVERDE S.A. |
| 2004 | LABORATORIOS ROEMMERS SAICF |
| 2004 | LACBA |
| 2004 | LACSA |
| 2004 | LADY STORK |
| 2004 | LAGO ELECTROMECANICA |
| 2004 | LAS CORTADERAS |
| 2004 | LASER INTERNATIONAL GROUP |
| 2004 | LATIN MARKET |