| Detail | Centrum služeb Slunce všem, o.p.s. | 27155064 | Another legal entity | CZ020 | Detail |
| Detail | CENTRUM SOCIÁLNÍCH A ZDRAVOTNÍCH SLUŽEB MĚSTA PŘÍBRAM | 47067071 | Territorial self-governing unit or its contributory organization | CZ020 | Detail |
| Detail | Centrum sociálních služeb Český Těšín, příspěvková organizace | 70985383 | Territorial self-governing unit or its contributory organization | CZ080 | Detail |
| Detail | Centrum sociálních služeb Hrabyně | 70630551 | State contributory organization | CZ080 | Detail |
| Detail | Centrum sociálních služeb Jeseník | 00852163 | Territorial self-governing unit or its contributory organization | CZ071 | Detail |
| Detail | Centrum sociálních služeb Ostrava, o.p.s. | 28659392 | Another entity | CZ080 | Detail |
| Detail | Centrum sociálních služeb pro osoby se zrakovým postižením v Brně-Chrlicích | 13693131 | State contributory organization | CZ064 | Detail |
| Detail | Centrum sociálních služeb Tloskov | 00640841 | State contributory organization | CZ | Detail |
| Detail | Centrum sociálních služeb,příspěvková organizace | 70887039 | Territorial self-governing unit or its contributory organization | CZ064 | Detail |
| Detail | Centrum technických služeb Kuřim, s.r.o. | 26307189 | Another legal entity | CZ064 | Detail |
| Detail | Centrum uznávání a celoživotního učení Pardubického kraje, o.p.s. | 27547086 | Another legal entity | CZ053 | Detail |
| Detail | Centrum výzkumu Řež s.r.o. | 26722445 | Another entity | CZ020 | Detail |
| Detail | CEREALIS, a.s. | 19654022 | Another entity | CZ | Detail |
| Detail | cetto Bohemia s.r.o. | 01529811 | Another entity | CZ041 | Detail |
| Detail | CEVAG - spolek pro podporu účinného a bezpečného použití vakcín | 22877193 | Another entity | CZ052 | Detail |
| Detail | CEVYKO a.s. | 08599254 | Another legal entity | CZ080 | Detail |
| Detail | CIDEM Hranice, a.s. | 14617081 | Czech Republic | CZ071 | Detail |
| Detail | Církevní základní škola a mateřská škola Třinec | 71249460 | Another legal entity | CZ080 | Detail |
| Detail | Církevní základní škola a střední škola Plzeň | 45331227 | Another entity | CZ032 | Detail |
| Detail | Cisterciácké opatství Vyšší Brod | 00476684 | Another legal entity | CZ031 | Detail |
| Detail | CKP Chrudim a.s. | 15052532 | Another legal entity | CZ053 | Detail |
| Detail | Classa Trade s.r.o. | 27738094 | Another legal entity | CZ010 | Detail |
| Detail | CLOSED LOOP Systems s.r.o. | 08063648 | Another legal entity | CZ010 | Detail |
| Detail | Cloverleaf group s.r.o. | 05295475 | Another entity | CZ080 | Detail |
| Detail | CLUB MARK, s.r.o. | 29045240 | Another entity | CZ | Detail |
| Detail | CN CARGO Spedition s.r.o. | 26049422 | Another entity | CZ031 | Detail |
| Detail | CNC Chomutov s.r.o. | 28664558 | Another entity | CZ | Detail |
| Detail | CNC METAL s.r.o. | 26861453 | Another legal entity | CZ080 | Detail |
| Detail | Codasip s.r.o. | 02619725 | Another entity | CZ064 | Detail |
| Detail | Colognia press, a.s. | 26186292 | Another entity | CZ | Detail |
| Detail | COME vending s.r.o. | 47666960 | Another entity | CZ080 | Detail |
| Detail | COMETT PLUS, spol. s r.o. | 60071397 | Another legal entity | CZ031 | Detail |
| Detail | Commexim Group a.s. | 27133222 | Another entity | CZ020 | Detail |
| Detail | COMONT s.r.o. | 42868742 | Czech Republic | CZ | Detail |
| Detail | Compo Tech PLUS, spol. s r. o. | 63507412 | Another legal entity | CZ032 | Detail |
| Detail | COMTES FHT a.s. | 26316919 | Another legal entity | CZ032 | Detail |
| Detail | CONSULEX s.r.o. | 01964178 | Another entity | CZ031 | Detail |
| Detail | Contipro a.s. | 60917431 | Another entity | CZ053 | Detail |
| Detail | Contryso s.r.o. | 01613278 | Another entity | CZ08 | Detail |
| Detail | CORMEN s.r.o. | 25547593 | Another entity | CZ063 | Detail |
| Detail | CORPORIN s.r.o. | 28092635 | Another legal entity | CZ031 | Detail |
| Detail | Corriger s.r.o. | 27533174 | Another entity | CZ052 | Detail |
| Detail | CO2OLTEC Commercial Refrigeration Solutions Czech Republic s.r.o. | 17875030 | Another entity | CZ | Detail |
| Detail | CPA Division s.r.o. | 01940481 | Another legal entity | CZ010 | Detail |
| Detail | CREA Hydro&Energy, z.s. | 22729674 | Another legal entity | CZ064 | Detail |
| Detail | CREAM assets, s.r.o. | 29447372 | Another legal entity | CZ010 | Detail |
| Detail | CREAM SICAV, a.s. | 28545320 | Another legal entity | CZ010 | Detail |
| Detail | Creative work s.r.o. | 04479548 | Another legal entity | CZ | Detail |
| Detail | Crlík, s.r.o. | 05145538 | Another legal entity | CZ064 | Detail |
| Detail | CRUBO Praha s.r.o. | 61500917 | Another legal entity | CZ010 | Detail |
