Clinotherm Limited
Cloud Michael L.
Cnare Robert F.
Colburn Steven C.
Coleman Cecil A.
Collins Albert R.
Combustion Concepts Inc.
Combustion Research, Inc.
Conybear James G.
Cooke Michael J.
Cooperheat
Corbett James Trail Sinclair
Cosworth Research & Development Limited
Coughlin John Edward
Cox Lloyd R.
Coxhead Bruce
Crilley Jay S.
Crookston James A.
Crowell William F.
CRYCO Twenty-Two, Inc.