| Difway Studio | Saint Petersburg |
| Digidom | Saint Petersburg |
| Digispot Alliance | |
| Digital Alliance | |
| Digital Design | Saint Petersburg |
| Digital Experience | |
| Digital Horizon | Moscow |
| Digital Mind Development | |
| Digital Nomads | Tomsk |
| Digital October | |
| Digital Report | Moscow |
| Digital Telecommunicationn Systems | Moscow |
| Digital Zone | |
| DigitalHR | |
| DigitalRazor | Moscow |
| diHouse | Moscow |
| DirectLine | Novosibirsk |
| Discom Network Technologies | Moscow |
| Disruptive.vc | Moscow |
| DMT Software | Moscow |
| Doczilla | |
| DomainContext, Inc. | Moscow |
| Double Data | |
| Double s electronics | Vologda |
| Download Software | Moscow |
| Dragondatabasesoft | Moscow |
| DrBobah.com | Mari El |
| DRD Biotech | |
| Dreampix | |
| Drive Software Company | Tver |
| DriverPack Solution | Moscow |
| Drupal Россия | Moscow |
| DSM Telecom | Moscow |
| Duality Software | Saint Petersburg |
| DuoDimension Software Company | Udmurt |
| DVIGA | Primorsky |
| Dyn-SOft | Moscow |
| DynamicSun | |
| E-soft | Moscow |
| e-sport24 | |
| E-Terra Software | Nizhny Novgorod |
| e. Development | |
| East-West Digital News | Moscow |
| Easy Electronics | Moscow |
| Easy Trace Group | Ryazan |
| EasyJobStart | |
| EasyPrint | Moscow |
| ECMGroup | Moscow |
| EcoBanking | Moscow |
| Edna | |