| 2019 | SOLUCIONES TURISTICAS - TRIPTOP |
| 2019 | Solutionar SRL |
| 2019 | SOLVAY QUIMICA S.A. |
| 2019 | SOLVENS S.A. |
| 2019 | Someco Electronics s.a. / First Rate s.a. |
| 2019 | Sonrisas Argentinas |
| 2019 | SONY MUSIC ARGENTINA |
| 2019 | SOS SA |
| 2019 | SPACE PLANNER S.A. |
| 2019 | SPEED CUSTOMS SRL |
| 2019 | SPIRAX SARCO |
| 2019 | ST MARGARET S SCHOOL |
| 2019 | STEEL PLASTIC SA |
| 2019 | STENFAR S.A.I.C |
| 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 |