- Geraldo Monteiro
- Address:Via local 21
- LCP MINERAIS DO BRASIL
- Address:SANTA CATARINA 483 PRAIA DA COSTA
- Aguiar Export Management Service
- Address:P.O.Box 33026
- Mining of tantalite
- Address:aviador eduardo chaves
- STDPart
- Address:Rua Italia CHAPECO, Brasil
- CF Commoditie
- Address:415, Clemente Pinto
- RDL Company
- Address:Brazil
- TIMO Group LLC
- Address:Rua Jose Getulio 639
- Stockinger Business Grou
- Address:450 Luciana de ABREU Porto Alegre, Only for companies in USA
- Muteki Trade Corporatio
- Address:Av. Rio Bonito, 1730
- Trading Net
- Address:Julia Huga Negrello Curitiba, Parana
- Carboox Resende Quimica
- Address:
- Pedo Paulo Lope
- Address:Pernanbuco
- Exellente Mina
- Address:City: Fortaleza fotaleza, 602
- Lion Ore
- Address:Otavio Carneiro,143,906
- Extrativa Metalquimica SA
- Address:Jornalista Fernando Carvalho, 120
- mundial intermediacoe
- Address:world 100% Brazil
- ITaylor Representatio
- Address:RUA GROENLANDIA,307, SAO PAULO, SAO PAULO, Brazil,01434-000
- ALPHA MF
- Address:Lane Dracenas 444-Res 5-Alphaville
- Minazil
- Address:Rua Di Cavalcanti 266