- RDL Company
- tin ore, tin concentrate, cassiterite.
- Address:Brazil
- Marcavit Representações Ltda
- manganese ore, ilmenite ore, cassiterite ore, quartzite stone.
- Address:Frederico Malesherbers Figueredo Bl.01 Apto 1403 niteroi, Rio De Janeiro
- World Mineral Broker
- iobium, cooper, cassiterite, columbite..
- Address:Av Augusto de Lima 1376 suite 908, Belo Horizonte, Minas Gerais, Brazil,30190-003
- CM Company Ltda
- Tantalite,Beryl,Ambligonite,Tin (Cassiterite),Petalite,Cab,Briolet.
- Address:Benjamin Constant 461
- SPHERA ARQUITETURA E CONSTRUCOES LTDA
- Niobium,Tantalite,Cassiterite (tin),Manganese,MANGANESE MINE.
- Address:Rua 19 Nr 151 Sala 401 Setor Central
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