A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 1
| D' Ieteren (14) | D-PLOY (10) |
| Daikin Europe (17) | Daoust (main) (6) |
| DAOUST.sa (43) | Darwin Recruitment (6) |
| DE PERSGROEP PUBLISHING (14) | De Post / La Poste (23) |
| De Putter & Co (5) | De Roeve (6) |
| de winter groupe sa (6) | De Zon, O-Vl. afd. van Familiezorg W-Vl. vzw (6) |
| Debrouwer Consulting (37) | Deceuninck (5) |
| DeCom Nederland (8) | Dedevan, part of Novellas Healthcare (7) |
| Delhaize (79) | Delhaize Group (7) |
| Dell (7) | Deloitte (496) |
| Deloitte Belgium (39) | Deloitte Luxembourg (42) |
| Delta Lloyd (12) | Delta Lloyd Bank (10) |
| Dendermonde, AZ Sint-Blasius (23) | Denys (9) |
| Deutsche Bank (16) | DHL (15) |
| DHL Express (11) | Dieteren (6) |
| Digipolis (7) | DIP. (36) |
| DIP Consulting (11) | Dixon & Company (16) |
| DL Chemicals (8) | Drinks2me (5) |
| Drisag (6) | Drisag NV (5) |
| Drug Opera (5) | Dullers Advies (5) |
| DVN (10) |