13. Germanium industries

Worldwide, germanium-based products are manufactured by 17 companies located in 12 countries. Of these companies, 16 produce the metal and only 7 produce GeO ₂ .

Wrought and semi-manufactured forms are marketed by 93 companies in 31 countries. Dioxide is marketed by 68 companies in 27 countries. . Table 6 lists worldwide suppliers of germanium or GeO ₂ , according to Roskill Publications.