| Name | Country | Region | Address |
|---|---|---|---|
| Ortabaev Magomet Ismailovich | Russia | Karachaevo-Cherkessia | |
| Ortanov Azamat Zaurbekovich | Russia | Kabardino-Balkaria | |
| Oryekhova A.D. g. Moskva | Russia | Moscow | |
| Oryel T.Yu. | Russia | Калужская область | |
| Orzhikhovskiy A.N. | Kazakhstan | ||
| OS "Mikhaylovskaya" | Russia | Krasnoyarsk region | Krasnoyarsky kray, Uzhursky r-n, s Mikhaylovka, ul Timiryazeva, 5 |
| Osadchaya Mariya Alekseyevna | Russia | S.-Peterburg | |
| Osadchenko Oleg Grigorevich | Russia | Rostov region | |
| Osadchuk Tatyana Nikolayevna | Russia | Ryazan region | |
| Osadchyenko O.N., Rostovskaya obl. | Russia | Rostov region |