| Company | Revenue from IT services for 2020, million rubles | Revenue from IT services for 2019, million rubles | IT services provided |
| ΠΆ1 | 30,800 | 26,518 | Software development, creation of cloud services |
| CROC | 20455.1 | 17261.8 | System integration, consulting |
| Infosystem Jet | 19460.6 | 18046.4 | Service and outsourcing, integration, consulting, software development |
| League of Digital Economy | 16,771 | 11,230 | System integration, consulting |
| Tegrus | 18,300 | 18,200 | Design, implementation and support of engineering systems, |