| Detail | ZLKL, s. r. o. | 47973943 | | | Detail |
| Detail | ZLS s.r.o. | 25441281 | Another entity | CZ051 | Detail |
| Detail | ŽLTC Brno, z.s. | 13692534 | Another legal entity | CZ064 | Detail |
| Detail | Z + M Logistics, spol. s r.o. | 28650808 | | | Detail |
| Detail | Z + M Partner, spol. s r.o. | 26843935 | | | Detail |
| Detail | ZM SERVIS MORAVIA, s.r.o. | 27785807 | Another entity | CZ080 | Detail |
| Detail | Z + M servis, spol. s r.o. | 41032004 | | | Detail |
| Detail | ZMS s.r.o. | 25309099 | Another entity | CZ063 | Detail |
| Detail | Značky Morava, a.s. | 25865871 | Another entity | CZ080 | Detail |
| Detail | Značky Praha s.r.o. | 49434951 | Another legal entity | CZ020 | Detail |
| Detail | ZNAK Malá Skála, družstvo hodinářské a umělecké výroby | 00029513 | | | Detail |
| Detail | Znalecká kancelář Lidinský Mašín s.r.o. | 08622515 | | | Detail |
| Detail | Znalecký ústav Pardubice s.r.o. | 49812815 | | | Detail |
| Detail | ZNOJBUS s.r.o. | 27695352 | | | Detail |
| Detail | Znojemská dopravní společnost - PSOTA, s.r.o. | 63496283 | | | Detail |
| Detail | Žoček Jiří, Ing. | 14908930 | | | Detail |
| Detail | ZO ČSOP Brněnsko | 71155937 | Another legal entity | CZ064 | Detail |
| Detail | ZO ČSOP Ekocentrum Čtyřlístek | 44117477 | | | Detail |
| Detail | ZO ČSOP NOVÝ JIČÍN 70/02 | 47657901 | Another legal entity | CZ080 | Detail |
| Detail | ZO ČSOP ONYX | 75103397 | Another legal entity | CZ064 | Detail |
| Detail | ZO ČSOP SLOVÁCKÁ KRAJINA Hradčovice | 46254668 | | | Detail |
| Detail | ZO ČSOP Vlašim | 18595677 | Another legal entity | CZ020 | Detail |
| Detail | ZOGENA s.r.o. | 27460444 | | | Detail |
| Detail | ZOLVEi AB | | | | Detail |
| Detail | ZOO a zámek Zlín - Lešná, příspěvková organizace | 00090026 | Territorial self-governing unit or its contributory organization | CZ072 | Detail |
| Detail | Zoo Brno a stanice zájmových činností, příspěvková organizace | 00101451 | Territorial self-governing unit or its contributory organization | CZ064 | Detail |
| Detail | Zoologická zahrada Tábor, a.s. | 04074025 | Another legal entity | CZ010 | Detail |
| Detail | Zotavovna Vězeňské služby České republiky Pracov | 65997999 | State contributory organization | CZ031 | Detail |
| Detail | Zotavovna Vězeňské služby České republiky, PRAHA | 65997964 | State contributory organization | | Detail |
| Detail | Zotavovna Vězeňské služby České republiky Přední Labská | 65997981 | State contributory organization | | Detail |
| Detail | ZOT CZ, s.r.o. | 49971654 | Another legal entity | CZ064 | Detail |
| Detail | ZPA Smart Energy a.s. | 27445976 | | | Detail |
| Detail | ZPI, spol. s r.o. | 46963774 | | | Detail |
| Detail | ZPM Zíma, s.r.o. | 05708273 | | | Detail |
| Detail | Z-projekt s.r.o. | 25023691 | | | Detail |
| Detail | ZPS - SLÉVÁRNA, a.s. | 47908319 | Another entity | CZ072 | Detail |
| Detail | ZRIA, a.s. | 63080303 | Another legal entity | CZ072 | Detail |
| Detail | ZŠ Karla Vokáče | 47694815 | Territorial self-governing unit or its contributory organization | CZ032 | Detail |
| Detail | ZŠ Praha 7, Strossmayerovo nám. 4, P7 | 61389838 | Territorial self-governing unit or its contributory organization | CZ010 | Detail |
| Detail | ZULIP s.r.o. | 27696537 | Another legal entity | CZ072 | Detail |
| Detail | ZUNI Care s.r.o. | 23139960 | | | Detail |
| Detail | ZVÁNOVEC a.s. | 26026279 | | | Detail |
| Detail | ZVVZ ENGINEERING, a.s. | 25696882 | | | Detail |
| Detail | Zymestic Solutions, a.s. | 08071128 | Another legal entity | CZ010 | Detail |
