PRODUÇÃO DE ALUMÍNIO PRIMÁRIO 
ANODOS (SODERBERG & PRE-COZIDO)
MATERIAIS - REFRATÁRIOS & CERÂMICOS
BNZ
Materials, Inc.
Eirich
Machines, Inc.
NV
Gouda Vuurvast
A.P
Green Refractories
Harbison-Walker
Refractories
Hodges
Group
Hope
Engineering Services
McAllister
Mills
MINTEQ
International
Nat'l
Refractories & Mineral Corp.
Saint
Gobain Industrial Ceramics
Simonsen
& Sons
Skamol
Insulation
Thermal
Ceramics
TYK
America
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