Cunningham Emmett Manuel
Curtis-Dyna Products Corporation
Cutchins Malcolm A.
Cutler Donald
D.B. Smith & Co., Inc.
Daiken Iko Kabushiki Kaisha
Daley Stuart
Damper Design, Inc.
Danag AG
Danmist APS
Dantes Günter
Dany Walter
Dauenhauer Manufacturing, Inc.
Davidson John C.
Davis James Scott
De Juan Landaburu Julian
de la Chevreliere Ayme'
de la Mora Juan Fernandez
Delavan Corporation
Delavan Manufacturing Co.