| Extreme Design Group | Moscow |
| Extremelab | |
| Eyeline Communications CIS | Novosibirsk |
| EYKON | Nizhny Novgorod |
| Factoria Innovation | Moscow |
| Factory5 | |
| Faitid | Moscow |
| Falcon Space | |
| Farpost Inc. | Primorsky |
| Fast Reports, Inc. | Rostov |
| Fastlane Ventures | Moscow |
| FBS Group SRL | Moscow |
| Federal State Budgetary Institution "National Medical Research Center of Hematology" of the Ministry of Health of the Russian Federation | |
| Fedora-Hosting | Chukotka |
| Fibrum LLC | Moscow |
| Filin | |
| Financial University | Moscow |
| FindFace | Moscow |
| Findsoft | Moscow |
| Finopolis | Moscow |
| FINSTICK Innovations, LLC | |
| Firmasoft | Moscow |
| FirmTools.com | Moscow |
| First-Soft | Moscow |
| Fitmost | |
| Flash Computers | Moscow |
| Flat22 | Moscow |
| Fly Code | |
| Focus Technologies | |
| Fogsoft | Moscow |
| Forapp | |
| Fortel | Moscow |
| Fraisys | |
| Free For All Software | Moscow |
| Free PHP Web Hosting directory | Moscow |
| Free-Software-Shareweare-Downloads.com | Rostov |
| FreeEXE.net | Moscow |
| Freesoft Server | Moscow |
| FscoreLab | |
| GameGuru | |
| GARPIX | |
| Gartle Technology Corporation | Moscow |
| Gasaw Software | Saint Petersburg |
| Gatchina Online | Leningrad |
| GenerationS | |
| Genesis Block | |
| Genotek | |
| Geomatrix predictive analytics | |
| GEROPHARM | |
| Get4click | Moscow |