C. Voigt Sohne GmbH & Co.
C. Weinberger & Co., Ltd.
Callicott Marten S.
Calvert Paul
Cameron Emma
Camilletti Robert C.
Camilletti Robert Charles
Carbonell Ruben G.
Carciofi Piero
Carden Timothy F.
Carey Kathleen R
Carter Gordon
Casper James William
Casper Richard R.
Castle Laurence
Catalyst Group, Inc.
Cavanaugh Robert John
Centralin Gesellschaft, Chem. Fabrik Kircher & Co.
Centro Nazionale Della Ricerche
Ceram Tech International, Ltd.