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| C.E.G. INVEST S.R.O. (4) | Cadrexport com (13) |
| CAF LOCRANDI S.R.O. (4) | CBA SLOVAKIA S.R.O. (4) |
| CENTRUM SUCHANEK A.S. (4) | CIRKEVNA ZAK.UMEL.SKOLA (4) |
| CMB - DT, S.R.O. (4) | COLOR CAR SERVIS (5) |
| Construct Data Publishers a.s. (5) | CONTITECH VC SLOV.S.R.O (4) |
| COOP JEDNOTA NITRA SD (5) | Covance (6) |
| CPL Jobs (8) | Crystal Call, a.s. (7) |