| Akin Gump Strauss Hauer & Feld |
| ALRUD |
| Arendt & Medernach S.A. |
| Ashurst |
| Baker McKenzie |
| Beiten Burkhardt |
| BGP Litigation |
| Borenius |
| Bracewell |
| BrokerCreditService |
| Bryan Cave Leigton Paisner |
| Capital Legal Services |
| Clifford Chance |
| Debevoice & Plimpton |
| Dentons |
| EPAM |
| Eversheds Attorneys |
| Eversheds Sutherland |
| FBK Pravo |
| Gazprom export |
| Gazprom-Media Holding |
| Gazprombank |
| Gleiss Lutz |
| GvW Graf von Westphalen |
| Hannes Snellman Attorneys |
| Hengeler Mueller |
| INTEGRITES |
| KIAP |
| KOMOSSTROY Holding |
| KPMG |
| Latham & Watkins |
| Lenz & Staehelin |
| Lidings |
| Linklaters |
| MGB Law Offices Limited |
| Morgan Lewis |
| Osborne Clarke |
| PAO "Vysochaishiy" |
| Patentika |
| Patrikios Pavlou & Associates |
| Pepeliaev Group |
| PwC |
| REVERA |
| S.A. Evangelou & Co |
| Schönherr |
| Skrastiņš un Dzenis |
| SUEK |
| Tertychniy Agabalyan |
| Transmashholding |
| Trubor |
| VTB |
| White & Case |