| 2005 | SIF |
| 2005 | SIQAT |
| 2005 | SIRTY ARGENTINA |
| 2005 | SITEC BAIRES |
| 2005 | SITECA S.R.L. |
| 2005 | SKAL |
| 2005 | SODERIA FISHETI |
| 2005 | SOIMET |
| 2005 | SOKA GAKKAI |
| 2005 | SOLIS CANO (EX AUTOPISTAS GEA 8) |
| 2005 | SOLUCIONES INFORMATICAS INTEGRALES |
| 2005 | SOLVAY QUIMICA S.A. |
| 2005 | SPORTMAN |
| 2005 | SPP |
| 2005 | SPRAYETTE |
| 2005 | STANDARD CHARTERED BANK |
| 2005 | STC SA |
| 2005 | SUIZO ARGENTINA S.A. |
| 2005 | SUM MICRO SYSTEM |
| 2005 | SUPERINTENDENCIA DE RIESGOS DE TRABAJO |
| 2005 | SUPERINTENDENCIA DE SERVICIOS DE SALUD |
| 2005 | SVD |
| 2005 | SWAN TURISMO |
| 2005 | SWISS INTERNATIONAL AIR LINES LTD - ARGENTINA |
| 2005 | SYNGENTA AGRO S.A |
| 2005 | TA Y M |
| 2005 | TALLER AERONAVAL |
| 2005 | TARANTO |
| 2005 | TAVEX ARGENTINA S.A. |
| 2005 | TEATRO COLON |