C-Tech Industries Inc.
C. B. F. Systems Inc.
C. Valves Ltd.
C.h. Perrot Inc.
C.h. Perrott Inc.
Cai An
Caillet Jacques
Calabretta Peter T.
Calder Limited
Caldwell William C. (jr.)
Calhoun John W.
Callahan Richard P.
Calvert Michael A.
Calzavara Luciano
Cambri Pty Ltd
Cambri Pty Ltd.
Cambridge Brass Inc.
Cameron David W.
Cameron James F.
Cameron Iron Works Inc.