| 2019 | Stericycle (Habitat ecologico) |
| 2019 | STILO WG SRL |
| 2019 | STIVALE S.A. |
| 2019 | STRAKA |
| 2019 | SUBSECRETARIA DE MEDIO AMBIENTE Y DESARROLLO SUSTENTABLE DE MERLO |
| 2019 | SUCESION BAUDINO JORGE CELESTINO |
| 2019 | SUCESION DE GORGOROSA JUAN CARLOS |
| 2019 | SUEÑO FUEGUINO S.A. |
| 2019 | SUIZO ARGENTINA S.A. |
| 2019 | SUMINISTRA S.R.L. |
| 2019 | SUOLA S.A. |
| 2019 | SUPER SERVICIOS OLIVOS SRL |
| 2019 | SUPERCEMENTO S.A.I.C |
| 2019 | SUPERINTENDENCIA DE ADM. - POLICIA FEDERAL ARG. |
| 2019 | SUPERINTENDENCIA DE RIESGOS DE TRABAJO |
| 2019 | SUPERINTENDENCIA FEDERAL DE TRANSPORTE - BRIGADA DE PREVENCION |
| 2019 | SUPERMERCADO LAS PALMAS |
| 2019 | SUPERMERCADO WEST |
| 2019 | SUPERMERCADOS MAYORISTAS MAKRO S.A. |
| 2019 | SURPLAST S.A. |
| 2019 | SUTEBA |
| 2019 | SWAN TURISMO |
| 2019 | SWISS MEDICAL GROUP |
| 2019 | SWORN JUNIOR COLLEGE |
| 2019 | TABOAS Y ASOCIADOS S.A. |
| 2019 | TALLER FRENCH |
| 2019 | TAMBORES TODARO |
| 2019 | TAPIALES TOYS |
| 2019 | TARCO S.A. (BILLABONG ARGENTINA) |
| 2019 | TASA LOGISTICA S.A. |