Citti Olivier
Clade Jürgen
Clemmons Orville C.
Coblenz William S.
Cochet Gerard
Cochrane Ronald L.
Colavito Dominick M.
Colle Laurent
Colozzi Thierry Bruno Jacques
Commissariat A L'Energie Atomique Center National De La Recherch
Consales Thierry Claude
Coors Porcelain Company
Cordi-Geopolymere SA
Corhart Refractories
Corhart Refractories Corporation
Cornu David
Corral Jose S. M.
Corry Arthur A.
Cortellini Edmund A.
Cortese Stephen M. A.