D M C
DAIDEN
DAKE
DANCKAERT
DAVI
DEBURGH
DEIMCO / BLASDEL
DEKKER
DELTA
DELTA / INVICTA
DELTA / ROCKWELL
DELTA PROGETTI
DENRAY

DENS-A-CAN
DENVER
DEPENDABLE
DETEL
DEWALT
DIEFFENBACHER
DIEHL
DIMET
DIMTER
DIP-TECH
DISA
DIXIE AIR
DODDS
DONALDSON / TORIT

DORINGER
DOTUL
DOUCET
DOUGLAS MANUFACTURING
DUBOIS
DUBUS
DURAMAC
DURA-QUIP
DURMA
DUST TECHNOLOGY
DUSTEK
DUST-EX
DYNAMOTIVE