| Filial | 04.120.966/0002-02 | IRON MOUNTAIN DO BRASIL LTDA | SAO PAULO / SP | Inativa | |
| Filial | 04.120.966/0003-85 | IRON MOUNTAIN DO BRASIL LTDA | CURITIBA / PR | Inativa | |
| Filial | 04.120.966/0004-66 | IRON MOUNTAIN DO BRASIL LTDA | RIO DE JANEIRO / RJ | Ativa | |
| Filial | 04.120.966/0006-28 | IRON MOUNTAIN DO BRASIL LTDA | BRASILIA / DF | Ativa | |
| Filial | 04.120.966/0007-09 | IRON MOUNTAIN DO BRASIL LTDA | CURITIBA / PR | Ativa | |
| Filial | 04.120.966/0008-90 | IRON MOUNTAIN DO BRASIL LTDA | BARUERI / SP | Ativa | |
| Filial | 04.120.966/0009-70 | IRON MOUNTAIN DO BRASIL LTDA | BARUERI / SP | Ativa | |
| Filial | 04.120.966/0010-04 | IRON MOUNTAIN DO BRASIL LTDA | ESTEIO / RS | Inativa | |
| Filial | 04.120.966/0011-95 | IRON MOUNTAIN DO BRASIL LTDA | JANDIRA / SP | Inativa | |
| Filial | 04.120.966/0012-76 | IRON MOUNTAIN DO BRASIL LTDA | SAO PAULO / SP | Ativa | |
| Filial | 04.120.966/0013-57 | IRON MOUNTAIN DO BRASIL LTDA | ITAPEVI / SP | Ativa | |
| Filial | 04.120.966/0014-38 | IRON MOUNTAIN DO BRASIL LTDA | RIO DE JANEIRO / RJ | Inativa | |
| Filial | 04.120.966/0015-19 | IRON MOUNTAIN DO BRASIL LTDA | RECIFE / PE | Inativa | |
| Filial | 04.120.966/0016-08 | IRON MOUNTAIN DO BRASIL LTDA | BARUERI / SP | Inativa | |
| Filial | 04.120.966/0017-80 | IRON MOUNTAIN DO BRASIL LTDA | BARUERI / SP | Inativa | |
| Filial | 04.120.966/0018-61 | IRON MOUNTAIN DO BRASIL LTDA | CACHOEIRINHA / RS | Inativa | |
| Filial | 04.120.966/0019-42 | IRON MOUNTAIN DO BRASIL LTDA | ITAPEVI / SP | Inativa | |
| Filial | 04.120.966/0021-67 | IRON MOUNTAIN DO BRASIL LTDA | JABOATAO DOS GUARARAPES / PE | Ativa | |
| Filial | 04.120.966/0022-48 | IRON MOUNTAIN DO BRASIL LTDA | CAMPINAS / SP | Ativa | |
| Filial | 04.120.966/0023-29 | IRON MOUNTAIN DO BRASIL LTDA | OSASCO / SP | Ativa | |
| Filial | 04.120.966/0024-00 | IRON MOUNTAIN DO BRASIL LTDA | HORTOLANDIA / SP | Ativa | |
| Filial | 04.120.966/0025-90 | IRON MOUNTAIN DO BRASIL LTDA | TABOAO DA SERRA / SP | Ativa | |
| Filial | 04.120.966/0027-52 | IRON MOUNTAIN DO BRASIL LTDA | BARUERI / SP | Ativa | |
| Filial | 04.120.966/0028-33 | IRON MOUNTAIN DO BRASIL LTDA | BARUERI / SP | Ativa | |
| Filial | 04.120.966/0029-14 | IRON MOUNTAIN DO BRASIL LTDA | BARUERI / SP | Ativa | |
| Filial | 04.120.966/0030-58 | IRON MOUNTAIN DO BRASIL LTDA | BARUERI / SP | Ativa | |
| Filial | 04.120.966/0031-39 | IRON MOUNTAIN DO BRASIL LTDA | BARUERI / SP | Ativa | |
| Filial | 04.120.966/0032-10 | IRON MOUNTAIN DO BRASIL LTDA | CURITIBA / PR | Ativa | |
| Filial | 04.120.966/0033-09 | IRON MOUNTAIN DO BRASIL LTDA | JUNDIAI / SP | Ativa | |
| Filial | 04.120.966/0034-81 | IRON MOUNTAIN DO BRASIL LTDA | JUNDIAI / SP | Ativa | |
| Filial | 04.120.966/0036-43 | IRON MOUNTAIN DO BRASIL LTDA | SANTANA DE PARNAIBA / SP | Inativa | |
| Filial | 04.120.966/0037-24 | IRON MOUNTAIN DO BRASIL LTDA | JARINU / SP | Ativa | |
| Filial | 04.120.966/0038-05 | IRON MOUNTAIN DO BRASIL LTDA | ITUPEVA / SP | Ativa | |
| Filial | 04.120.966/0039-96 | IRON MOUNTAIN DO BRASIL LTDA | JANDIRA / SP | Ativa | |
| Filial | 04.120.966/0041-00 | IRON MOUNTAIN DO BRASIL LTDA | DUQUE DE CAXIAS / RJ | Inativa | |
| Filial | 04.120.966/0042-91 | IRON MOUNTAIN DO BRASIL LTDA | RIO DE JANEIRO / RJ | Inativa | |
| Filial | 04.120.966/0043-72 | IRON MOUNTAIN DO BRASIL LTDA | RIO DE JANEIRO / RJ | Ativa | |
| Filial | 04.120.966/0044-53 | IRON MOUNTAIN DO BRASIL LTDA | BETIM / MG | Ativa | |
| Filial | 04.120.966/0045-34 | IRON MOUNTAIN DO BRASIL LTDA | BRASILIA / DF | Ativa | |
| Filial | 04.120.966/0046-15 | IRON MOUNTAIN DO BRASIL LTDA | CONTAGEM / MG | Ativa | |
| Filial | 04.120.966/0047-04 | IRON MOUNTAIN DO BRASIL LTDA | RIBEIRAO DAS NEVES / MG | Inativa | |
| Filial | 04.120.966/0048-87 | IRON MOUNTAIN DO BRASIL LTDA | VIANA / ES | Ativa | |
| Filial | 04.120.966/0050-00 | IRON MOUNTAIN DO BRASIL LTDA | SAO PAULO / SP | Inativa | |
| Filial | 04.120.966/0051-82 | IRON MOUNTAIN DO BRASIL LTDA | CACHOEIRINHA / RS | Ativa | atual |
| Filial | 04.120.966/0052-63 | IRON MOUNTAIN DO BRASIL LTDA | SAO PAULO / SP | Ativa | |
| Filial | 04.120.966/0053-44 | IRON MOUNTAIN DO BRASIL LTDA | VIANA / ES | Ativa | |
| Matriz | 04.120.966/0001-13 | IRON MOUNTAIN DO BRASIL LTDA | SAO PAULO / SP | Ativa | |