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Da - Danaher Controls, Danaher Motion, Danfoss, Dataforth(Modules, PLCs), DATA LOGIC (SENSORS), DAIKIN, DATASENSOR, DATAEAGLE,DAIKIN,DAITRON,DAKOTA,DANFOSS,DATA TRANLATION,DATACON,DATALUX,DAYTON
Dd - DDK
De - DELTA, Demag, Demag Cranes, DATALOGIC datasensor, DeltaV (Emerson),DE LEONE,DEC,December,DELATECH,DELL,DELTA F,Delta-V,DELTRON,DESERT GLASS WORKS,DESIGNS,DESPATCH,DEUBLIN
Di - Digiplan,DIAMOND,DIETZ,DIGI-KEY,DIGITAL POWER,DISCO,DISCO HI-TEC,DIVERSIFIED TECHNOLOGY
Do - DOLD RELAYS, DOHNALEK, DONGWOO FINE CHEMICAL(Korea),DODGE,DOMINICK HUNTER,DORLEN,DOW CORNING
Dr - DREXELBROOK (DE),DRAEGER,DRESSER,DRYSCRUB
Du - DURAMETER,DU PONT,DUFF-NORTON,DUNGS,DUNN,DUPONT,DUPONT,DURALITE
Dw - Dwyer
Dy - DYNAMCO,DYNAPAR,DYNAROLL
