| Ruc | Nombre o Razón Social | A partir del | Nro. Resolución |
| 20528922873 | SERGK E.I.R.L | 01/08/2015 | 1930050003296 |
| 20106176699 | SERICA SRL | 01/09/2018 | 1030050008390 |
| 20511762783 | SERIGAS SRL | 01/02/2017 | 0230050172229 |
| 20512310070 | SERIGRAF PLAST J.C. SAC | 01/02/2016 | 0230050150134 |
| 20600342046 | SERIGRAFIA INDUSTRIAL PERUANA E.I.R.L. | 01/12/2019 | 0230050291872 |
| 20600327241 | SERIGWASH E.I.R.L. | 01/02/2017 | 1130050005987 |
| 20550198518 | SERINDUS SOCIEDAD ANONIMA CERRADA | 01/12/2019 | 0230050292956 |
| 20514717762 | SERING E.I.R.L. | 01/02/2017 | 0230050174005 |
| 20522110427 | SERINGIND E.I.R.L. | 01/08/2015 | 0230050124346 |
| 20535812692 | SERINGRAF PERU S.A.C. | 01/09/2018 | 0230050242137 |
| 20535120031 | SERINGTELL E.I.R.L. | 01/09/2018 | 1030050008501 |
| 20601469635 | SERJES CORPORATION S.A.C. | 01/09/2018 | 0230050245761 |
| 20110480211 | SERLEM S.R. LTDA | 01/04/2003 | 023050079420 |
| 20601422523 | SERLEYO E.I.R.L | 01/12/2019 | 0230050292449 |
| 20602233406 | SERMACONT ASOCIADOS S.A.C. | 01/05/2019 | 0230050265071 |
| 20508954914 | SERMAF SOCIEDAD ANONIMA CERRADA | 01/12/2019 | 0230050290851 |
| 20502258100 | SERMAGEN MAQUERA E.I.R.L | 01/05/2019 | 0230050261499 |
| 20601973309 | SERMAIND PERU S.A.C. | 01/05/2019 | 0230050264653 |
| 20600394267 | SERMAJES E.I.R.L. | 01/09/2018 | 0530050027543 |
| 20264213496 | SERMAPRO SRL | 01/05/2019 | 0230050260817 |