| 2018 | STRAKA |
| 2018 | STRAPLAS S.A. |
| 2018 | Stur - Mones Ruiz |
| 2018 | SUBASTAS DE ARTE - ROLDAN S.R.L. |
| 2018 | SUBSECRETARIA DE MEDIO AMBIENTE Y DESARROLLO SUSTENTABLE DE MERLO |
| 2018 | SUBSECRETARIA DE TRABAJO, INDUSTRIA Y COMERCIO GCBA |
| 2018 | SUBSECRETARIA DE TRANSPORTE - RIO GALLEGOS |
| 2018 | SUCMA |
| 2018 | SUEÑO FUEGUINO S.A. |
| 2018 | SUIZO ARGENTINA S.A. |
| 2018 | SUOLA S.A. |
| 2018 | SUPERCEMENTO S.A.I.C |
| 2018 | SUPERINTENDENCIA DE ADM. - POLICIA FEDERAL ARG. |
| 2018 | SUPERINTENDENCIA DE RIESGOS DE TRABAJO |
| 2018 | SUPERMERCADO LAS PALMAS |
| 2018 | SUPERMERCADOS MAYORISTAS MAKRO S.A. |
| 2018 | SUR MOLDURAS E INSUMOS SRL |
| 2018 | SURE RAIN SA |
| 2018 | SURREAL - AUSTRADE S.A. |
| 2018 | SUSHI FURUSATO SRL |
| 2018 | SUTEBA |
| 2018 | SUTEP ESPECTACULOS PUBLICOS |
| 2018 | SWAN TURISMO |
| 2018 | SWISS MEDICAL GROUP |
| 2018 | SWORN JUNIOR COLLEGE |
| 2018 | SYNGENTA AGRO S.A |
| 2018 | TABOAS Y ASOCIADOS S.A. |
| 2018 | TAGING |
| 2018 | TALLER FRENCH |
| 2018 | Talleres Graficos Morales |