| Detail | Horské lázně Karlova Studánka, státní podnik | 14450216 | Another legal entity | CZ080 | Detail |
| Detail | Horský klub Lesná v Krušných horách, z.s. | 27042910 | Another entity | CZ | Detail |
| Detail | Hortibau s.r.o. | 03779882 | | | Detail |
| Detail | HORTUS správa zeleně s.r.o. | 60486791 | Another legal entity | CZ01 | Detail |
| Detail | Hospic na Svatém Kopečku | 73634671 | Another entity | CZ071 | Detail |
| Detail | Hospic svatého Lazara z.s. | 66361508 | Another entity | CZ032 | Detail |
| Detail | Hospic sv. Štěpána, z.s. | 65081374 | Another legal entity | CZ | Detail |
| Detail | HOSPITAL ENGINEERING CZ, s.r.o. | 25564935 | | | Detail |
| Detail | Hospodářská komora České republiky | 49279530 | Another legal entity | CZ | Detail |
| Detail | Hospodářská komora hlavního města Prahy | 49709771 | Another legal entity | CZ010 | Detail |
| Detail | Hotel Jezerka s.r.o. | 25971484 | Another legal entity | CZ05 | Detail |
| Detail | Hotel LAFAYETTE, s.r.o. | 64613267 | Another entity | CZ071 | Detail |
| Detail | Hotel Olšanka, s.r.o. | 26418703 | Another legal entity | | Detail |
| Detail | Hotelová škola, Frenštát pod Radhoštěm, příspěvková organizace | 00576441 | State contributory organization | CZ080 | Detail |
| Detail | Hotelová škola, Ostrava, příspěvková organizace | 00577260 | Territorial self-governing unit or its contributory organization | CZ080 | Detail |
| Detail | HOTELPARK STADION a.s. | 27820998 | | | Detail |
| Detail | Hotel SLEZAN a.s. | 25368575 | | | Detail |
| Detail | Hotel Zámek Valeč s.r.o. | 21259631 | | | Detail |
| Detail | Houdek MZ s.r.o. | 03634973 | Another legal entity | CZ032 | Detail |
| Detail | HOUDEK spol. s r.o. | 49905813 | | | Detail |
| Detail | House of trees s.r.o. | 10924710 | | | Detail |
| Detail | housesmart s.r.o. | 19617607 | | | Detail |
| Detail | Howden ČKD Compressors s.r.o. | 02112507 | | | Detail |
| Detail | HPH, spol.s r.o. | 62957473 | Another entity | CZ020 | Detail |
| Detail | H & P plast, společnost s ručením omezeným | 64792960 | Another legal entity | CZ053 | Detail |
| Detail | H.P. - servis hydraulika s.r.o. | 26944413 | | | Detail |
| Detail | HP-STAVBY s.r.o. | 24841366 | Another legal entity | CZ010 | Detail |
| Detail | HRACHOVEC elektrik s.r.o. | 26795035 | | | Detail |
| Detail | Hradecká kulturní a vzdělávací společnost s.r.o. | 27472809 | Czech Republic | CZ052 | Detail |
| Detail | HRADIL CZ s.r.o. | 62957953 | | | Detail |
| Detail | HRAJAN s.r.o. | 07993081 | | | Detail |
| Detail | HRASPO spol. s r.o. | 25323610 | | | Detail |
| Detail | HRAT, s.r.o. | 64087352 | Another entity | CZ080 | Detail |
| Detail | HR Design s.r.o. | 14080265 | | | Detail |
| Detail | HRDLIČKA spol.s r.o. | 18601227 | | | Detail |
| Detail | H - REKULTIVACE, a.s. | 25032739 | | | Detail |
| Detail | Hřiště 8D s.r.o. | 04436857 | Another entity | CZ064 | Detail |
| Detail | hřiště.cz, s.r.o. | 28354303 | | | Detail |
| Detail | Hřiště hrou s.r.o. | 03673073 | | | Detail |
| Detail | HROCHOSTROJ a.s. | 03012191 | Czech Republic | CZ053 | Detail |
| Detail | Hroch, z.s. | 65760557 | Another legal entity | CZ064 | Detail |
| Detail | Hroší stavby Morava a.s. | 28597460 | | | Detail |
| Detail | HROS s.r.o. | 26978504 | | | Detail |
| Detail | HrubyMOVING TRANSPORT, a.s. | 28517679 | | | Detail |
| Detail | Hrušecká stavební spol. s r.o. | 25585142 | | | Detail |
| Detail | Hruška Pavel | 66633052 | | | Detail |
| Detail | HS Autosdružení s.r.o. | 28226101 | | | Detail |
| Detail | HSC Computers s.r.o. | 25014536 | | | Detail |
| Detail | HSP & Partners advokátní kancelář s.r.o. | 29453101 | | | Detail |
| Detail | HST Hydrosystémy s.r.o. | 26212706 | | | Detail |
| Detail | H.T.D. spol. s r.o. | 25066013 | | | Detail |
| Detail | HT DVEŘE s.r.o. | 01635123 | | | Detail |
| Detail | HTG medical s.r.o. | 17759447 | Another legal entity | CZ010 | Detail |
| Detail | HTT GROUP s.r.o. | 49686062 | | | Detail |
| Detail | Hubert Müller | 10265023 | | | Detail |
| Detail | Hudební centrum s.r.o. | 26004151 | | | Detail |
| Detail | Hudební divadlo v Karlíně | 00064335 | Territorial self-governing unit or its contributory organization | CZ010 | Detail |
| Detail | Hudler Scorpion Security Planá s.r.o. | 29085861 | | | Detail |
| Detail | HUDYsport a.s. | 27268560 | Czech Republic | CZ042 | Detail |
| Detail | Hu-Fa Dental a.s. | 26977851 | | | Detail |
| Detail | Hügli Food s.r.o. | 16193440 | | | Detail |
| Detail | Hullabaloo s.r.o. | 28193148 | | | Detail |
| Detail | HULMAN - kovošrot s.r.o. | 25568311 | Another entity | CZ064 | Detail |
| Detail | HURU group s.r.o. | 09221735 | | | Detail |
| Detail | Husinecký Vladimír | 18272355 | | | Detail |
| Detail | Husitské muzeum v Táboře | 00072486 | State contributory organization | CZ031 | Detail |
| Detail | Huslík s.r.o. | 25527495 | | | Detail |
| Detail | HUSTÁK CZ s.r.o. | 24230154 | | | Detail |
| Detail | Hustý stavby, s.r.o. | 19578580 | | | Detail |
| Detail | HUTNÍ PROJEKT Frýdek-Místek a.s. | 45193584 | | | Detail |
| Detail | HUTNÍ PROJEKT OSTRAVA a.s. | 45193622 | | | Detail |
| Detail | Hvězdárna Valašské Meziříčí, příspěvková organizace | 00098639 | Territorial self-governing unit or its contributory organization | CZ072 | Detail |
| Detail | HYDRAP, spol. s r.o. | 46347232 | Another legal entity | CZ072 | Detail |
| Detail | HYDRAULIKSERVIS I s.r.o. | 25374958 | | | Detail |
| Detail | HydroGENesis s.r.o. | 22325476 | Another legal entity | CZ010 | Detail |
| Detail | Hydrogeologická společnost, s.r.o. | 26473330 | | | Detail |
| Detail | HydroIdea s.r.o. | 02929368 | | | Detail |
| Detail | HYDRO & KOV s.r.o. | 27720161 | Another legal entity | CZ031 | Detail |
| Detail | Hydroscand Service s.r.o. | 03396894 | | | Detail |
| Detail | HYDROSED s. r. o. | 26106051 | | | Detail |
| Detail | HYDROSOFT Veleslavín s.r.o. | 61061557 | | | Detail |
| Detail | HYDROSPOR spol. s r.o. | 47666374 | Another entity | CZ080 | Detail |
| Detail | HYDROZDROJ s.r.o. | 28069064 | | | Detail |
| Detail | Hygienická stanice hlavního města Prahy se sídlem v Praze | 71009256 | Czech Republic | CZ010 | Detail |
| Detail | Hygienické služby s.r.o. | 28516940 | | | Detail |
| Detail | Hynčica, s.r.o. | 28927630 | Another legal entity | CZ020 | Detail |
| Detail | Hyperon advisory s.r.o. | 08165599 | | | Detail |
| Detail | Hysef, s.r.o. | 09727302 | | | Detail |
| Detail | HYSOLAR s.r.o. | 19160607 | | | Detail |
| Detail | HYŠPLER DEVELOPING s.r.o. | 28341848 | | | Detail |
| Detail | HYSTER CZ a.s. | 26923106 | | | Detail |
| Detail | Hyundai Motor Czech s.r.o. | 28399757 | | | Detail |
| Detail | H. Z. C. J. a.s. | 27069753 | Another legal entity | CZ020 | Detail |
| Detail | HZConsult s.r.o. | 25699032 | | | Detail |
| Detail | HZN revital group s.r.o. | 23158034 | | | Detail |
| Detail | HZZ, a.s. | 25309749 | | | Detail |
| Detail | I3 Consultants s.r.o. | 27921344 | | | Detail |
| Detail | I AM THE STAGE s.r.o. | 07505698 | Another legal entity | CZ071 | Detail |
| Detail | Ian Kalashnikov | 09544631 | | | Detail |
| Detail | IBA CZ, s.r.o. | 25783572 | | | Detail |
