OBR 21 Participações is a holding company (holding de instituições não-financeiras) based in Belo Horizonte, Minas Gerais. It is the corporate structure behind the OBR industrial group.
The group brings together companies that design and build machinery and equipment, hydraulic and pneumatic systems, and industrial automation — complementary businesses that serve industry across Brazil.
As the holding, OBR 21 provides ownership, governance and shared services, so each company can concentrate on its market and its customers.

| Legal name | OBR 21 Participações LTDA |
|---|---|
| CNPJ (Brazilian company registration) | 63.068.360/0001-45 |
| Type | Holding company (non-financial holdings) |
| Group | OBR industrial group |
| Head office | Avenida Barão Homem de Melo, 2550 – Sala 702, Estoril, Belo Horizonte – MG, 30494-080, Brazil |
| Phone | +55 (31) 3582-6015 |

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