GCA serves the world:

• Americas from its USA sales base.
• Europe through a direct sales office in Italy.
• the rest of the world through a network of reliable distributors.

The Germanium Corporation of America (GCA) was founded in 2001 by the Indium Corporation to address the global requirements for pure and dependable supplies of Germanium tetrachloride, Germanium oxide, Germanium metal, and related products and services.