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.sa (38) |
| Darwin Recruitment (12) | 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 (33) |
| Deceuninck (5) | DeCom Nederland (8) |
| Dedevan, part of Novellas Healthcare (7) | Delhaize (89) |
| Delhaize Group (7) | Dell (7) |
| Deloitte (507) | Deloitte Belgium (39) |
| Deloitte Luxembourg (44) | Delta Lloyd (12) |
| Delta Lloyd Bank (10) | Dendermonde, AZ Sint-Blasius (22) |
| Denys (9) | Deutsche Bank (16) |
| DHL (15) | DHL Express (11) |
| Dieteren (6) | Digipolis (8) |
| DIP. (33) | DIP Consulting (9) |
| Dixon & Company (18) | DL Chemicals (8) |
| Drinks2me (5) | Drisag (6) |
| Drisag NV (6) | Drug Opera (5) |
| Dullers Advies (5) | DVN (10) |