| ConSync Digital | |
| Content Hacker | Metro Manila |
| Core Application Services, Inc. | |
| Core Support Hub | |
| Corqspace | |
| Course Finder PH | Metro Manila |
| Creatizens | |
| Cynder | |
| Cynthia Bauzon-Arre | Metro Manila |
| Data Gateway Philippines | |
| Davao de Norte State College | |
| Davao del Sur State College | |
| Davao Doctors College, Inc. | |
| Davao Medical School Foundation, Inc. | |
| DCExcel Business Process Outsourcing Services | |
| DCGWS Internet Solutions | Metro Manila |
| De La Salle University | Metro Manila |
| De La Salle-College of Saint Benilde | |
| Decode Tech | |
| Dev Partners | |
| Developers Connect Philippines | Metro Manila |
| Development Academy of the Philippines | |
| Devtac | Leyte |
| Dice205 Digital Corporation | |
| Digilution Creative Media Group | |
| Digital Marketing Manila | |
| Digital Marketing Philippines | |
| Digital Strategies for Development Forum | Metro Manila |
| DITO | |
| DMAP | Metro Manila |
| DMark Solutions | Bulacan |
| DMC College Foundation, Inc. | |
| Don Mariano Marcos Memorial State University | |
| dotPH | Metro Manila |
| DoubleSquare Networks, Inc. | Metro Manila |
| Dragonpay | Metro Manila |
| Dreamlords Digital | Metro Manila |
| Drupal Philippines Group | Metro Manila |
| Dthree Digital | Metro Manila |
| Eastern Communications | Metro Manila |
| Eastern Samar State University | |
| Eastern Visayas State University | |
| EasyCall Communications Philippines | Metro Manila |
| EC&M Corporation | Metro Manila |
| ECMnetworks | Metro Manila |
| ECOMM Global Technologies, Inc. | Metro Manila |
| ECPay | Metro Manila |
| EDS Innoventions, Inc. | |
| EdsaHosting | Metro Manila |
| Edusuite, Inc. | Metro Manila |