| GetData Graph Digitizer | Moscow |
| GetFinance | Moscow |
| Getmobit | Moscow |
| Getsoft.ru | Moscow |
| Gisoft | Moscow |
| Gkhsoft | Moscow |
| Global Factoring Network | |
| Global Venture Alliance | Moscow |
| Globus-IT LLC | |
| Golang Conf | |
| GoodsForecast | |
| Gorsky State Agrarian University | |
| GoTech Innovation | Saint Petersburg |
| GPS Партизан | Moscow |
| Gracebyte Software | Bashkortostan |
| Greatis Software | Yaroslavl |
| GritTec Ltd | Moscow |
| Group IB | Moscow |
| Grozny State Oil Technical University | |
| Grsoft | Moscow |
| GSF Company Ltd | Saint Petersburg |
| GsmMoscow.ru | Moscow |
| Gubkin Russian State University of Oil and Gas | Moscow |
| Gzhel State University | |
| Ham Software Archive | Ulyanovsk |
| Hands App | |
| Hax Ventures | Tomsk |
| Hay Studio | |
| Heads and Hands | |
| Heart.Zone, LLC | Moscow |
| Helexis Software Development | Moscow |
| Helpsoft | Moscow |
| Hi-fi-shop | Moscow |
| High Technologies Center | |
| HireRussians | Novosibirsk |
| Home page - Innopolis | |
| Home Soft | Moscow |
| Homeapp | |
| Hostland | Moscow |
| Hot Soft | Moscow |
| Hot-WiFi | |
| HP Россия | Moscow |
| HRlink | |
| HRS | Moscow |
| HSE University | |
| HTML5BOOK.RU | |
| Humanitarian University | |
| I.I. Mechnikov Research Institute of Vaccines and Serums | |
| IBSG Company Ltd | Saint Petersburg |
| IBSurgeon Ltd | Moscow |