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| 2026 | MANN+HUMMEL ARGENTINA SA |
| 2026 | Manuel Belgrano |
| 2026 | MAPRIMED S.A. |
| 2026 | MARCELO MAMONE |
| 2026 | MARCIAL PONS ARGENTINA S.A. |
| 2026 | MARKEN COMERCIAL S.A. |
| 2026 | MARKEN TIME CRITICAL EXPRESS S.A. |
| 2026 | MARMO BRA SRL |
| 2026 | MATAFUEGOS IMPULSO |
| 2026 | MAVICENTER SA |
| 2026 | MAXIKIOSCO - PARTICULAR RODRIGUEZ SERGIO |
| 2026 | MAXIMILIANO LELCZUK - PARTICULAR |
| 2026 | MBP PARTNERS ABOGADOS |
| 2026 | MC KINSEY |
| 2026 | McCain Argentina S.A. |
| 2026 | MEDIPHARMA SA |
| 2026 | MEDITECNA SRL |
| 2026 | Mercedes-Benz Camiones y Buses S.A.U. |
| 2026 | MERCK S.A. |
| 2026 | MERCOMAR S.A. |
| 2026 | MERSEN ARGENTINA SA |
| 2026 | Metalurgica Larraude S.A. |
| 2026 | METALURGICA NOGOYA |
| 2026 | METROGAS |
| 2026 | MEVATERAPIA S.A. |
| 2026 | MICROFILTER S.A. |
| 2026 | MIG SA |
| 2026 | Mijal Salud |
| 2026 | MIMO & COMPANY (VESTIDITOS) |