| 2011 | MUNICIPALIDAD FLORENTINO AMEGHINO |
| 2011 | MUNICIPALIDAD GRAL. ARENALES |
| 2011 | MUNICIPALIDAD VILLA GESELL |
| 2011 | MURCHISON |
| 2011 | MUSEO DE LAS ESCUELAS |
| 2011 | MUSEO METROPOLITANO |
| 2011 | MUSIC BROKERS |
| 2011 | MUSS |
| 2011 | MUTUAL 1ro. DE AGOSTO |
| 2011 | MWH ARGENTINA S.A |
| 2011 | N.U.O.C.C. TRANS. SRL |
| 2011 | NA-SA NUCLEOELECTRICA ARGENTINA S.A. |
| 2011 | NA.SA. |
| 2011 | NACION LEASING S.A. |
| 2011 | NALCO |
| 2011 | NAUTICO HACOAJ |
| 2011 | NAYA MEDIOS |
| 2011 | NEC ARGENTINA S.A. |
| 2011 | NEORIS |
| 2011 | NEPTUNO VIAJES |
| 2011 | NEROVA |
| 2011 | NESTLE - MASTER OFFICE |
| 2011 | NETIZEN |
| 2011 | NEUBELL S.A. |
| 2011 | NEUTRALSOFT SRL |
| 2011 | NEW START SA |
| 2011 | NICE PEOPLE |
| 2011 | NICHOLSON Y CANO ABOGADOS |
| 2011 | NICKY |
| 2011 | NIDERA |