| Filial | 63.441.802/0002-38 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0003-19 | INLAB - INVESTIGACAO LABORATORIAL LTDA | PACO DO LUMIAR / MA | Inativa | |
| Filial | 63.441.802/0004-08 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0005-80 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0006-61 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | atual |
| Filial | 63.441.802/0007-42 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0008-23 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0009-04 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0010-48 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0011-29 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0012-00 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0013-90 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0014-71 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO JOSE DE RIBAMAR / MA | Inativa | |
| Filial | 63.441.802/0016-33 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0017-14 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0018-03 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0019-86 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0020-10 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0021-09 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0022-81 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Filial | 63.441.802/0023-62 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |
| Matriz | 63.441.802/0001-57 | INLAB - INVESTIGACAO LABORATORIAL LTDA | SAO LUIS / MA | Inativa | |