Colle Augusto
Collens Stephen T.
Collet Eric C.
Collins Barry A.
Collins Denver G.
Colmano Riccardo
Columbia Gas of Ohio, Inc.
Colyar James J.
Combustion & Energy Systems Ltd.
Combustion Service and Equipment Corporation
Comparato Joseph R.
Condensing Boilers Limited
Cone, II Howard M.
Conematic Heating Systems Inc.
Cooke Elizabeth E.
Cooke George
Coones Lyn D.
Cooney, Jr. Charles T.
Cooperatieve Inkoopvereniging
Corn Company, Inc.