| 2009 | LABORATORIO PABLO CASSARA |
| 2009 | LABORATORIO PFIZER S.R.L. |
| 2009 | LABORATORIO WYETH S.A. |
| 2009 | LABORATORIOS BERNABO S.A. |
| 2009 | LABORATORIOS BOUSCH Y LOMB |
| 2009 | LABORATORIOS CRAVERI |
| 2009 | LABORATORIOS ELEA PHOENIX S.A. |
| 2009 | LABORATORIOS GADOR |
| 2009 | LABORATORIOS GLAXO SMITH KLINE ARG. S.A. (GSK) |
| 2009 | LABORATORIOS RAFFO y MONTEVERDE S.A. |
| 2009 | LABORATORIOS RAYMOS |
| 2009 | LABORATORIOS RICHET |
| 2009 | LABORATORIOS ROEMMERS SAICF |
| 2009 | LADEVI |
| 2009 | LAESA ONG |
| 2009 | LAMINACION BASCONIA |
| 2009 | LANOLEC INVERSIONES S.A. |
| 2009 | LANXESS S.A. |
| 2009 | LANXESS S.A. - SUCURSAL BURZACO |
| 2009 | LAS MARIAS SACIFA |
| 2009 | LASER INTERNATIONAL GROUP |
| 2009 | LATAM ARGENTINA |
| 2009 | LATIN AMERICA POSTAL S.A. |
| 2009 | LATINO AMERICA |
| 2009 | LATINTRIALS ARGENTINA S.A |
| 2009 | LAURITSEN Y ASOCIADOS |
| 2009 | LEDESMA |
| 2009 | LEDVANCE S.A. |
| 2009 | LENGUAS VIVAS |
| 2009 | LENGUAS VIVAS - JARDIN |