| Filial | 20.148.953/0002-90 | SIDERURGIA SANTO ANTONIO LTDA | BELO HORIZONTE / MG | Inativa | |
| Filial | 20.148.953/0003-70 | SIDERURGIA SANTO ANTONIO LTDA | ITAUNA / MG | Ativa | |
| Filial | 20.148.953/0004-51 | SIDERURGIA SANTO ANTONIO LTDA | ITAUNA / MG | Ativa | |
| Filial | 20.148.953/0005-32 | SIDERURGIA SANTO ANTONIO LTDA | CACHOEIRA DE PAJEU / MG | Inativa | |
| Filial | 20.148.953/0006-13 | SIDERURGIA SANTO ANTONIO LTDA | ARINOS / MG | Ativa | |
| Filial | 20.148.953/0007-02 | SIDERURGIA SANTO ANTONIO LTDA | JANAUBA / MG | Inativa | |
| Filial | 20.148.953/0008-85 | SIDERURGIA SANTO ANTONIO LTDA | BELO HORIZONTE / MG | Ativa | |
| Filial | 20.148.953/0009-66 | SIDERURGIA SANTO ANTONIO LTDA | ARINOS / MG | Ativa | |
| Filial | 20.148.953/0010-08 | SIDERURGIA SANTO ANTONIO LTDA | ITATIAIUCU / MG | Ativa | |
| Filial | 20.148.953/0011-80 | SIDERURGIA SANTO ANTONIO LTDA | ITAUNA / MG | Ativa | |
| Filial | 20.148.953/0012-61 | SIDERURGIA SANTO ANTONIO LTDA | ITAUNA / MG | Inativa | |
| Filial | 20.148.953/0013-42 | SIDERURGIA SANTO ANTONIO LTDA | ITAUNA / MG | Ativa | |
| Filial | 20.148.953/0014-23 | SIDERURGIA SANTO ANTONIO LTDA | GUARULHOS / SP | Inativa | |
| Filial | 20.148.953/0015-04 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0016-95 | SIDERURGIA SANTO ANTONIO LTDA | FORMOSO / MG | Ativa | |
| Filial | 20.148.953/0017-76 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0018-57 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0019-38 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0020-71 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0021-52 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0022-33 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0023-14 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0024-03 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0025-86 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0026-67 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0027-48 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0028-29 | SIDERURGIA SANTO ANTONIO LTDA | MONTEZUMA / MG | Ativa | |
| Filial | 20.148.953/0029-00 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0030-43 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0031-24 | SIDERURGIA SANTO ANTONIO LTDA | VARGEM GRANDE DO RIO PARDO / MG | Ativa | |
| Filial | 20.148.953/0032-05 | SIDERURGIA SANTO ANTONIO LTDA | COROMANDEL / MG | Ativa | atual |
| Filial | 20.148.953/0033-96 | SIDERURGIA SANTO ANTONIO LTDA | VOLTA REDONDA / RJ | Inativa | |
| Filial | 20.148.953/0034-77 | SIDERURGIA SANTO ANTONIO LTDA | VOLTA REDONDA / RJ | Ativa | |
| Filial | 20.148.953/0035-58 | SIDERURGIA SANTO ANTONIO LTDA | MONTEZUMA / MG | Ativa | |
| Matriz | 20.148.953/0001-09 | SIDERURGIA SANTO ANTONIO LTDA | ITAUNA / MG | Ativa | |