| Ruc | Nombre o Razón Social | A partir del | Nro. Resolución |
| 20600081943 | MARCO ROMERO E.I.R.L. | 01/09/2018 | 0230050237311 |
| 20602769314 | MARCO ROMERO SAPALLANAY E.I.R.L. | 01/12/2019 | 0230050293917 |
| 10218829754 | MARCOS MUNAYCO JAIME | 01/02/2022 | 0230050309897 |
| 10415016226 | MARCOS ROJAS JOEL | 01/05/2019 | 0630050020822 |
| 20602118798 | MARCTEX S.A.C. | 01/05/2019 | 0230050264648 |
| 20551343325 | MARDELGE S.A.C. | 01/12/2019 | 0230050291776 |
| 20481521719 | MARDUK EMPRESA INDIVIDUAL DE RESPONSABILIDAD LIMITADA | 01/05/2019 | 0630050020168 |
| 20601279933 | MARE GROUP S.A.C | 01/02/2022 | 0230050316223 |
| 20604797323 | MAREF SOCIEDAD ANONIMA CERRADA - MAREF S.A.C. | 01/02/2022 | 0230050316022 |
| 20600239075 | MARELI'S ODONTOLOGIA ESPECIALIZADA E.I.R.L. | 01/02/2017 | 0230050182184 |
| 20600357787 | MAREN CONSTRUCCIONES Y SERVICIOS GENERALES S.A.C. | 01/05/2019 | 0830050011085 |
| 20101320023 | MARES IMPORT S.A.C. | 01/05/2019 | 0110050002930 |
| 20556083348 | MARES PEDAGOGIA | 01/09/2018 | 0230050243525 |
| 20604769583 | MARESLU ESTRUCTURAS Y CRISOLES S.A.C. | 01/02/2022 | 0230050316736 |
| 20454043589 | MAREX E.I.R.L | 11/04/2019 | 0530050029238 |
| 20600914201 | MAREX GLOBAL SOURCING S.A.C. | 01/05/2019 | 0230050264356 |
| 20508670568 | MARFAC SOCIEDAD ANONIMA CERRADA | 01/09/2018 | 0230050241006 |
| 20533686207 | MARFE SOLUCIONES INTEGRALES S.A.C. | 01/05/2019 | 2330050002996 |
| 20555372672 | MARGUILL SOCIEDAD ANONIMA CERRADA | 01/02/2017 | 0230050180005 |
| 20601691699 | MARHP GROUP CONSULTANTS PROJECTS AND SOLUTIONS S.A.C. | 01/02/2022 | 0230050314354 |