- DATALOGIC
- DOMNICK HUNTER
- DROPSA
- DP POMPE
- DICKOW
- DAVID BROWN
- DOPAG
- DMN-WESTINGHOUSE
- DEWRANCE
- DEUFRA
- DANFOSS SOCLA
- DAVIDBROWN
- DAREGER
- DVC
- DYTRAN
- dyna variacor
- DIATEST
- DAndrea
- DAGU
- Dansk Gummi
- Dynasonics
- Dixell
- digitron
- delmhorst
- Delta
- DE-STA-CO
- DADCO
- DURHER
- DZ TRASMISSIONI
- Denison
- DIAMUT
- DUPLOMATIC
- DNP
- DUCI