| 2020 | SODIMAC |
| 2020 | SOL KLING BRAVERMAN |
| 2020 | SOL Y LUNA FOTOCOPIADORA |
| 2020 | SOLIS CANO (EX AUTOPISTAS GEA 8) |
| 2020 | SOLUCIONES TRAUMATOLOGICAS SRL |
| 2020 | SOLVAY QUIMICA S.A. |
| 2020 | Someco Electronics s.a. / First Rate s.a. |
| 2020 | SOS SA |
| 2020 | South America Implants |
| 2020 | SPECIALTRUCK |
| 2020 | SPEED CUSTOMS SRL |
| 2020 | SPF Argentina SA |
| 2020 | SPIRAX SARCO |
| 2020 | STA SA |
| 2020 | STEEL PLASTIC SA |
| 2020 | Stericycle (Habitat ecologico) |
| 2020 | STONCOR SOUTH CONE S.A. |
| 2020 | STRAPLAS S.A. |
| 2020 | SUBSECRETARIA DE MEDIO AMBIENTE Y DESARROLLO SUSTENTABLE DE MERLO |
| 2020 | SUCESION BAUDINO JORGE CELESTINO |
| 2020 | SUCESION DE GORGOROSA JUAN CARLOS |
| 2020 | SUEÑO FUEGUINO S.A. |
| 2020 | SUIZO ARGENTINA S.A. |
| 2020 | SUMINISTRA S.R.L. |
| 2020 | SUOLA S.A. |
| 2020 | SUPER SERVICIOS OLIVOS SRL |
| 2020 | SUPERCEMENTO S.A.I.C |
| 2020 | SUPERINTENDENCIA DE ADM. - POLICIA FEDERAL ARG. |
| 2020 | SUPERINTENDENCIA DE RIESGOS DE TRABAJO |
| 2020 | SUPERINTENDENCIA DE SERVICIOS DE SALUD |