- Ardosia Nacional
- Slate for billiard pool table,Billiards.
- Address:St. Padre Joao Porto 2200
- Grupo Minar - Brazilian Slate Manufacturer
- Slate for billiard,Slate Floor,Slate Roof,Slate Slabs,Billiards,Granite,Slate, Sandstone & Limestone.
- Address:Rua Juca Candido 588-Sala 2
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