Crutchley Michael
Cruz Petrus Santa
Crystal Clay Corporation
Csanak George
Csillag Frank
Cucinella Salvatore
Cui Yuyou
Cuif Jean Pierre
Cukan Vladimir
curasan AG
Curdt Axel
Curran Matthew John
D'Hont Daniel
Daerr Georg M.
Daiku Nobutaka
Daimer Johann
Dakot CC
Daldrup Heinrich Grosse
Dalfonzo Daniel
Dalmia Institute of Scientific and Industrial Research