| Detail | AQUEKO, spol. s r.o. | 45476691 | | | Detail |
| Detail | AR Praha plus s.r.o. | 24715972 | | | Detail |
| Detail | ARAGON Security s.r.o. | 02104831 | | | Detail |
| Detail | ARAKI s.r.o. | 21166668 | | | Detail |
| Detail | ARAMARK, s.r.o. | 45794707 | | | Detail |
| Detail | ARBOR Mělník, s.r.o. | 26743477 | Another entity | CZ020 | Detail |
| Detail | ARBYD CZ s.r.o. | 26339269 | | | Detail |
| Detail | ARCA s.r.o. | 03265480 | | | Detail |
| Detail | ARCDATA PRAHA, s.r.o. | 14889749 | | | Detail |
| Detail | Arcibiskupské gymnázium | 44846738 | Another entity | CZ010 | Detail |
| Detail | ARCIMPEX s.r.o. | 15502511 | Another entity | CZ080 | Detail |
| Detail | ARCO INTERIER s.r.o. | 26140918 | | | Detail |
| Detail | ARCTICFOOD s.r.o. | 17766729 | | | Detail |
| Detail | Areál Třeboradice, a.s. | 29132282 | Another entity | CZ | Detail |
| Detail | aReception.ai s.r.o. | 19836082 | | | Detail |
| Detail | ARENA BRNO, a.s. | 09133267 | Another legal entity | CZ064 | Detail |
| Detail | Aréna Lesná, z.s. | 05334349 | Another legal entity | CZ064 | Detail |
| Detail | Arens Oberflächenfullservice s.r.o. | 27065057 | Another legal entity | CZ | Detail |
| Detail | ARGO22 s.r.o. | 24710237 | | | Detail |
| Detail | Arch 5d s.r.o. | 05825466 | | | Detail |
| Detail | ARCHA 66 a.s. | 26236885 | | | Detail |
| Detail | ARCHATT, s.r.o. | 46960180 | | | Detail |
| Detail | ARCHCOM s.r.o. | 28978749 | | | Detail |
| Detail | Archeo Sever o.p.s. | 01507583 | | | Detail |
| Detail | Archeologický ústav AV ČR, Praha, v. v. i. | 67985912 | | | Detail |
| Detail | ARCHEON Stavby s.r.o. | 60753013 | | | Detail |
| Detail | ArchiBIM studio s.r.o. | 05489491 | | | Detail |
| Detail | Archie Samuel s.r.o. | 26974240 | | | Detail |
| Detail | Archip s.r.o. | 28881699 | Czech Republic | CZ010 | Detail |
| Detail | ARCHITEMA s.r.o. | 28274881 | | | Detail |
| Detail | ARCHITETTO ALBERTO ZETTI | | | | Detail |
| Detail | ARCHITO ATELIER, s.r.o. | 24223417 | | | Detail |
| Detail | Archiv bezpečnostních složek | 75112817 | Czech Republic | CZ010 | Detail |
| Detail | ARCHIVUM, s.r.o. | 25215191 | Another legal entity | CZ010 | Detail |
| Detail | ARCH-KREJCI s.r.o. | 11773821 | | | Detail |
| Detail | ArchOpa s.r.o. | 22019014 | | | Detail |
| Detail | ARCHTEAM PROJEKTOVÁ KANCELÁŘ s.r.o. | 27755690 | | | Detail |
| Detail | ARCHUM architekti s.r.o. | 01894871 | | | Detail |
| Detail | Aricoma Enterprise Applications s.r.o. | 08526541 | | | Detail |
| Detail | Aricoma Enterprise Cybersecurity a.s. | 04772148 | | | Detail |
| Detail | ARIGA s.r.o. | 25130293 | | | Detail |
| Detail | ARIPROS s.r.o. | 26174936 | | | Detail |
| Detail | ARISTOKRAT CATERING, s.r.o. | 27655083 | | | Detail |
| Detail | Arjo Czech Republic s.r.o. | 46962549 | Another legal entity | CZ010 | Detail |
| Detail | ARKO TECHNOLOGY, a.s. | 00219169 | | | Detail |
| Detail | ARKOL s.r.o. | 27099164 | | | Detail |
| Detail | Arlen S.A. | | | | Detail |
| Detail | ARLES, s.r.o. | 25544276 | Another legal entity | CZ072 | Detail |
| Detail | Armádní Servisní, příspěvková organizace | 60460580 | State contributory organization | CZ010 | Detail |
| Detail | Armastav s.r.o. | 08290067 | | | Detail |
| Detail | ARMED STORE s.r.o. | 28108523 | | | Detail |
| Detail | ARMOR s.r.o. | 25157671 | | | Detail |
| Detail | ARMYSHOP.CZ, s.r.o. | 25919229 | | | Detail |
| Detail | ARMYTEX s.r.o. | | | | Detail |
| Detail | ARROWS advokátní kancelář, s.r.o. | 06717586 | | | Detail |
| Detail | ARS rozvojová agentura, s.r.o. | 27791637 | Another entity | CZ | Detail |
| Detail | ART ECON - Gymnázium a Střední odborná škola Praha, s.r.o. | 45796955 | Another legal entity | CZ010 | Detail |
| Detail | ARTENDR s.r.o. | 24190853 | | | Detail |
| Detail | ARTEO CZ s.r.o. | 18240160 | | | Detail |
| Detail | ARTER - CATERINGOVÝ SERVIS s.r.o., zařízení školního stravování | 28959396 | | | Detail |
| Detail | ARTES LEGAL s.r.o. | 11671351 | | | Detail |
| Detail | ARTHEON s.r.o. | 09139940 | | | Detail |
| Detail | Arthrex s.r.o. | 07578814 | | | Detail |
| Detail | Arthur Design s.r.o. | 08731543 | | | Detail |
| Detail | Artisan Consulting s.r.o. | 03303772 | | | Detail |
| Detail | Artory - Consulting, s.r.o. | 27782921 | Another legal entity | CZ071 | Detail |
| Detail | Artspect, a.s. | 28123395 | | | Detail |
| Detail | Arup Deutschland GmbH | | | | Detail |
| Detail | ARVAL CZ s.r.o. | 26726998 | | | Detail |
| Detail | Arvento furniture s.r.o. | 29305144 | | | Detail |
| Detail | ARYBAZ s.r.o. | 62966219 | Another legal entity | CZ | Detail |
| Detail | Arzinger & Partneři, s.r.o., advokátní kancelář | 27613917 | Another entity | CZ010 | Detail |
| Detail | ASA expert a.s. | 27791891 | | | Detail |
| Detail | ASAGRAPH s.r.o. | 27442462 | | | Detail |
| Detail | ASAP Management CZ s.r.o. | 28625552 | | | Detail |
| Detail | Ascend s.r.o. | 27097005 | Another entity | CZ010 | Detail |
| Detail | ASCO-MED,spol. s r.o. | 49688723 | | | Detail |
| Detail | ASD Software, s.r.o. | 62363930 | | | Detail |
| Detail | ASEI,spol. s r.o. | 49452495 | Another legal entity | CZ064 | Detail |
| Detail | aSERVIS spol. s r.o. | 48951331 | | | Detail |
| Detail | Aseta Cleaning a.s. | 06826466 | Another legal entity | CZ | Detail |
| Detail | Aseta Handicap s.r.o. | 29374928 | | | Detail |
| Detail | ASETA SERVICES s.r.o. | 29281113 | | | Detail |
| Detail | ASF jobs s.r.o. | 08488550 | | | Detail |
| Detail | ASFALTELAST, spol. s r.o. | 47904615 | | | Detail |
| Detail | ASIO REAL, spol. s r.o. | 06719627 | Another entity | CZ064 | Detail |
| Detail | AsisTeam s.r.o. | 28319061 | Another legal entity | CZ010 | Detail |
| Detail | Asistenční centrum, a.s. | 63144883 | Another legal entity | CZ | Detail |
| Detail | ASITIS s.r.o. | 07836686 | | | Detail |
| Detail | ASJ s.r.o. | 25281861 | | | Detail |
| Detail | ASMG Sp. z o.o. | | | | Detail |
| Detail | ASMO TECH s.r.o. | 09735551 | | | Detail |
| Detail | Asociace malých a středních podniků a živnostníků ČR | 26547783 | | | Detail |
| Detail | Asociace obranného a bezpečnostního průmyslu ČR | 67362176 | Another legal entity | CZ010 | Detail |
| Detail | Asociace organizací v oblasti vězeňství, z. s. | 08610126 | Another legal entity | CZ | Detail |
| Detail | Asociace polygonů AČR | 22897381 | | | Detail |
| Detail | Asociace poskytovatelů sociálních služeb České republiky, z. s. | 60445831 | | | Detail |
| Detail | Asociace pro elektromobilitu České republiky, z.s. | 00565431 | Another legal entity | CZ020 | Detail |
| Detail | Asociace pro mezinárodní otázky, z. s. | 65999533 | Another legal entity | CZ | Detail |
| Detail | Asociace pro mládež, vědu a techniku AMAVET, z. s. | 00564613 | Another legal entity | CZ010 | Detail |
