| 2006 | SERVIFLEX |
| 2006 | SERVINI |
| 2006 | SET LOGISTICA |
| 2006 | SETEMA S.R.L. |
| 2006 | SGS ARGENTINA S.A. |
| 2006 | SHERWIN WILLIAMS |
| 2006 | SHILTON WEYENS |
| 2006 | SIM MICROFILM |
| 2006 | SIQAT |
| 2006 | SIRTY ARGENTINA |
| 2006 | SISCOM DE ARGENTINA S.A. |
| 2006 | SITEC BAIRES |
| 2006 | SITECA S.R.L. |
| 2006 | SKAL |
| 2006 | SKANSKA |
| 2006 | SMC ARGENTINA |
| 2006 | SOCIEDAD ARGENTINA DE CARDIOLOGIA |
| 2006 | SOCIEDAD ARGENTINA DE MARKETING |
| 2006 | SOCIEDAD ARGENTINA DE NEFROLOGIA |
| 2006 | SOCIEDAD DE DAMAS DE LA MISERICORDIA |
| 2006 | SOIMET |
| 2006 | SOLIS CANO (EX AUTOPISTAS GEA 8) |
| 2006 | SOLOMANICK |
| 2006 | SOLUCIONES INFORMATICAS INTEGRALES |
| 2006 | SOLVAY QUIMICA S.A. |
| 2006 | STANDARD CHARTERED BANK |
| 2006 | SUIZO ARGENTINA S.A. |
| 2006 | SUM MICRO SYSTEM |
| 2006 | SUMINISTRO HECAR |
| 2006 | SUPERINTENDENCIA DE SEGUROS DE LA NACION |