| Ruc | Nombre o Razón Social | A partir del | Nro. Resolución |
| 15255110851 | OU RONGLI | 01/09/2018 | 0230050239304 |
| 20600654234 | OUSIA E.I.R.L. | 01/04/2018 | 0230050226265 |
| 20603219644 | OUT THE BOX MARKETING S.A.C. | 01/12/2019 | 0230050295610 |
| 20601239591 | OUTER TRAVELS INNER JOURNEYS S.R.L. | 01/12/2019 | 1230050005827 |
| 20508797983 | OUTSOURCING CONTABLE MINERO S.A.C. | 01/08/2015 | 0230050134528 |
| 20600436083 | OUTSOURCING EN PROCESOS S.A.C. | 01/02/2017 | 0230050183129 |
| 20602040233 | OUTSOURCING IN HOUSE EMPRESA INDIVIDUAL DE RESPONSABILIDAD LIMITADA | 01/09/2018 | 0230050246206 |
| 20491879042 | OUTSOURCING PERU BUSINESS SOCIEDAD ANONIMA CERRADA - OUTSOURCING PERU BUSINESS S.A.C. | 01/02/2017 | 0230050171118 |
| 20602482180 | OUTSOURCING SERVICE CORPORATION S.A.C.- OSERCORP S.A.C. | 01/12/2019 | 0230050292908 |
| 15521863584 | OUYANG WANGQIANG | 01/05/2019 | 0230050260690 |
| 20600627113 | OVACENTER E.I.R.L. | 11/04/2019 | 0530050029626 |
| 20601203945 | OVAMIG E.I.R.L. | 01/05/2019 | 1130050008486 |
| 20549182756 | OVAS CONSULTORES & CONTRATISTAS SOCIEDAD ANONIMA CERRADA | 01/05/2019 | 0230050263309 |
| 20565908899 | OVEJITAS DEL CIELO S.R.L. | 01/04/2018 | 0230050224863 |
| 20547072406 | OVENS MEDIC S.A.C. | 01/09/2017 | 0230050201264 |
| 20520665065 | OVER NETWORK EMPRESA INDIVIDUAL DE RESPONSABILIDAD LIMITADA | 01/02/2017 | 0230050175018 |
| 20122620434 | OVERALL BUSINESS S.A. | 01/02/2015 | 0210050002259 |
| 20568438419 | OVERALL HEALTH CONSULTORA E.I.R.L. | 11/04/2019 | 1330050014133 |
| 20600848497 | OVERALL ORIENTE SOCIEDAD ANONIMA CERRADA - OVERALL ORIENTE S.A.C. | 01/09/2017 | 1830050008901 |
| 20547536089 | OVERALL REENGINEERING S.A.C. | 01/02/2017 | 0230050177998 |