- Catalysis,S.L.
| Испания | - Centr mody "Medstilservis", PFK
| Russie | - CENTR-KONTUR, OOO
| Russie | - Centralnoe konstruktorskoe byuro tyazhelogo mashinostroeniya, FGUP
| Russie | - Centrodorstroy ASTAR, OOO
| Russie | - Centrotransstroy, OAO
| Russie | - Centrotranstehmontazh, OAO
| Russie | - CHastnoe ohrannoe predpriyatie "Russkaya ohrana", OOO
| Russie | - CHeboksarsky elektroapparatny zavod, OAO
| Russie | - CHeboksarsky priborostroitelny zavod "Elara", AO
| Russie | - CHelyabinsky mehanichesky zavod, OAO
| Russie | - CHelyabinsky traktorny zavod, OAO
| Russie | - CHelyabinsky truboprokatny zavod, AOOT
| Russie | - CHelyabinsky zavod metallokonstrukciy, AOZT
| Russie | - CHerepovecky staleprokatny zavod, OAO
| Russie | - CHerkassky zavod "Strommashina", AOZT
| Ukraine | - CHerkizovsky molochny zavod, OAO
| Russie | - CHOO "Sfinks Alyans", OOO
| Russie | - CHusovskoy metallurgichesky zavod, OAO
| Russie | - CKB tyazhelogo mashinostroeniya
| Russie | - CKIB SSO, filial GUP KB priborostroeniya
| Russie | - COKBleshozmash, FGUP MPR Rossii
| Russie | - Company "Mir", Ltd
| Russie | - Computer modelling laboratory, Ltd
| Russie | - CONTACT GmbH
| Allemagne | - Cork-S
| Russie | - CTA-Press
| Russie | - CtCt, ZAO
| Russie |
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