- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)63
- Tsentralnaia Studiia Dokumentalnykh Filmov (TsSDF)15
- Lennauchfilm9
- Leningradskaia Studiia Dokumentalnykh Filmov (LSDF)8
- Fokin, Vladimir5
- Tsentrnauchfilm4
- Ukrainskaia Studiia Khronikalno-dokumentalnykh Filmov4
- Šijan, Slobodan3
- Armianskaia Studiia Dokumentalnykh Filmov2
- Gazdag, Gyula2
- Kievskaia Kinostudiia Nauchno-populiarnykh Filmov2
- Lowery, Alan2
- Milošević, Milivoje Mića2
- Radovanović, Vlastimir2
- Tsentralnaia Kinostudiia Detskikh i Iunosheskikh Filmov2
- Aktasheva, Irina1
- Azerbaijanfilm1
- Babić, Nikola1
- Bacsó, Péter1
- Baletić, Branko1