| 2017 | Orien S.A. |
| 2017 | ORIGENES |
| 2017 | ORLOSH - ORL MEDIC S.A. |
| 2017 | ORTOPEDIA Y OPTICA CIENTIFICA LANUS |
| 2017 | OSFE - OBRA SOCIAL FERROVIARIA |
| 2017 | OSIM |
| 2017 | OSMEDICA |
| 2017 | Osmotica Pharmaceutical |
| 2017 | OSPEDYC - UTEDYC |
| 2017 | OSPIM - OBRA SOCIAL DEL PERSONAL DE LA INDUSTRIA MOLINERA |
| 2017 | OSPOCE |
| 2017 | OSPRERA |
| 2017 | OSTIG - OBRA SOCIAL DE LOS TRABAJADORES DEL GAS |
| 2017 | OSTRILION S.A.C.e I. |
| 2017 | OXPANE |
| 2017 | OXY NET S.A. |
| 2017 | PAGINA 12 |
| 2017 | PAGO FACIL |
| 2017 | PALLARO HNOS. S.A. |
| 2017 | PAMATEX |
| 2017 | PAMI |
| 2017 | PAMI - ADROGUE |
| 2017 | PAMI - AGENCIA 7 |
| 2017 | PAMI - ARCHIVOS |
| 2017 | PAMI - CENTRO DE COMPUTOS |
| 2017 | PAMI - HURLINGHAM |
| 2017 | PAMI - ITUZAINGO |
| 2017 | PAMI - LUJAN |
| 2017 | PAMI - MERLO AGENCIA 29 |
| 2017 | PAMI - RECURSOS FISICOS |