| Company | Role | Joined | Share Capital |
|---|---|---|---|
| GLOBAL HEAT TRANSFER COMERCIAL LTDA | Sócio (22) | 4/14/2010 | R$ 600,000.00 |
| GLOBAL SERVICE CONTROLE TERMICO E MANUTENCAO REFRATARIA LTDA. | Sócio (22) | 8/10/2001 | R$ 4,523,000.00 |
| KROSAKI IBAR REFRATARIOS LTDA | Sócio (22) | 12/27/2024 | R$ 2,350,000.00 |
| NUTEC IBAR FIBRAS CERAMICAS LTDA | Sócio (22) | 1/4/2005 |