| Ruc | Nombre o Razón Social | A partir del | Nro. Resolución |
| 20549217053 | METAL MECANICA TICONA SERVICE S.A.C. | 01/08/2015 | 0230050132972 |
| 20526396031 | METAL ROJAS S.A.C. | 01/02/2022 | 0830050012715 |
| 20550438411 | METAL TEK J.J.B.G. S.A.C. | 01/02/2022 | 0230050308061 |
| 20601527031 | METAL WORK SOLUTIONS S.A.C. | 01/02/2022 | 0630050024443 |
| 20602604889 | METAL Y ESTRUCTURAS CONTRATISTAS S.A.C. | 01/12/2019 | 0230050293262 |
| 20600036026 | METALAVANCE S.A.C. | 01/02/2022 | 0230050313796 |
| 20481148066 | METALBUS S.A. | 01/02/2022 | 0610050000970 |
| 20552590547 | METALCAM INGENIEROS SOCIEDAD ANONIMA CERRADA - METALCAM INGENIEROS S.A.C. | 01/02/2016 | 0230050152397 |
| 20601574277 | METALCOM CARZU EMPRESA INDIVIDUAL DE RESPONSABILIDAD LIMITADA - MECARZU E.I.R.L. | 01/04/2018 | 0530050025250 |
| 20504144934 | METALDUST S.A.C. | 01/09/2017 | 0230050200609 |
| 20523224051 | METALES ADONAY S.A.C. | 01/02/2022 | 0230050307846 |
| 20492587801 | METALES H&C CHILCA S.A.C | 01/02/2022 | 0230050307549 |
| 20555885548 | METALFORM DEL PERÚ S.A.C. | 01/08/2015 | 0230050134725 |
| 20557010832 | METALGAS PERU S.A.C. | 01/08/2015 | 0230050131203 |
| 20536794043 | METALHSA PERU S.A.C. | 01/02/2022 | 0230050312240 |
| 20524120217 | METALI-K HERRAMIENTAS E.I.R.L. | 01/02/2015 | 0230050105965 |
| 20439131234 | METALICAS AMERICA E.I.R.L | 01/02/2022 | 0630050023883 |
| 20509832341 | METALICOS MODERNOS S.A.C. | 01/03/2007 | 0230050037971 |
| 20525198961 | METALINSUMOS S.A.C. | 01/02/2017 | 0230050174507 |
| 20600984170 | METALLKRAFT E.I.R.L. | 01/09/2017 | 0230050201918 |