DumoreCorporation
Dumore
DumaGmbH
Duma-Bandzink
Düker（GmbH）
Dukane(美)
Dukane
DUK
Duesen-schlick
Duerr-technik
Duerholdt(Durholdt)
Duci
Duchting
Dubuis
Duarte Neves
DTS
DSW Elektronik
Dsti
DSM Computer
DSM
