| 2017 | Marsh S.A. |
| 2017 | MARTELLI ABOGADOS SC |
| 2017 | MARTIN CAVA S.A. |
| 2017 | MARTINA DI TRENTO |
| 2017 | Marymar |
| 2017 | mascotitas |
| 2017 | MASIVOS S.A. |
| 2017 | MASTER BUS S.A. |
| 2017 | MASTER OFFICE |
| 2017 | MATERIA PRIMA S.A. |
| 2017 | MATRICERIA GENESIS |
| 2017 | Maxi Repuestos |
| 2017 | MAXICONSUMO |
| 2017 | MAXICONSUMO LOMA HERMOSA |
| 2017 | MAYNAR AG SA |
| 2017 | MAYORISTA SAN TELMO SRL |
| 2017 | Mc Lean & Asociados S.A. |
| 2017 | McCain Argentina S.A. |
| 2017 | MD CORREO |
| 2017 | Mead Johnson Nutrition Argentina S.A. |
| 2017 | MEDANITO S.A |
| 2017 | MEDICINA LABORAL - GOB. DE LA CIUDAD |
| 2017 | MEDICINA LABORAL RP SALUD |
| 2017 | MEDICUS S.A. |
| 2017 | MEDIFE ASOCIACION CIVIL |
| 2017 | MEDITERRANEAN SHIPPING COMPANY SA ARGENTINA |
| 2017 | MEDIX I.C.S.A. |
| 2017 | MEDIZIN DE SERVICIOS S.A. |
| 2017 | MEISTER SRL |
| 2017 | MERCADO DE LINIERS - OFICINA SAENZ VALIENTE BULLRI |