| Detail | Betonárna Klamoš s.r.o. | 07216254 | Another entity | CZ052 | Detail |
| Detail | BETON HRONEK s.r.o. | 26066084 | Another entity | CZ031 | Detail |
| Detail | Betonpres a.s. | 60646551 | Another entity | CZ031 | Detail |
| Detail | Betrian International s.r.o. | 05304261 | Another legal entity | CZ064 | Detail |
| Detail | BEVESTAV,s.r.o. | 27410935 | Another legal entity | CZ020 | Detail |
| Detail | BEZAN s.r.o. | 61945552 | Another entity | CZ080 | Detail |
| Detail | BF Logistics s.r.o. | 27406911 | Another entity | CZ | Detail |
| Detail | BIC Brno spol. s r.o. | 41601670 | Another entity | CZ | Detail |
| Detail | BIKEMAX s.r.o. | 29460549 | Another legal entity | CZ064 | Detail |
| Detail | BIMtwin s.r.o. | 19419881 | Another legal entity | CZ010 | Detail |
| Detail | Biofarma Rašovice s.r.o. | 04025181 | Another legal entity | CZ031 | Detail |
| Detail | BIO - FERM, s.r.o. | 47540605 | Another entity | CZ020 | Detail |
| Detail | BIOFERT AGRO s.r.o. | 03936163 | Another legal entity | CZ | Detail |
| Detail | BioFish s.r.o. | 60930527 | Another legal entity | CZ063 | Detail |
| Detail | Biofyzikální ústav AV ČR, v. v. i. | 68081707 | Czech Republic | CZ064 | Detail |
| Detail | Bio - Groot s.r.o. | 07855494 | Another entity | CZ032 | Detail |
| Detail | BioImpro s.r.o. | 25474189 | Another entity | CZ042 | Detail |
| Detail | BIOKOM CZ s.r.o. | 28117956 | Another legal entity | CZ031 | Detail |
| Detail | Biologické centrum AV ČR, v. v. i. | 60077344 | Another legal entity | | Detail |
| Detail | BIONA JERSÍN, s.r.o. | 49976371 | Another legal entity | CZ063 | Detail |
| Detail | BIOPLYN ENERGY s.r.o. | 27314413 | Another entity | CZ042 | Detail |
| Detail | BIOPREPARÁTY, spol. s r.o. | 25607324 | Another legal entity | CZ | Detail |
| Detail | Biosférická rezervace Dolní Morava o.p.s. | 26938171 | Another entity | CZ064 | Detail |
| Detail | BISA s.r.o. | 25863258 | Another entity | CZ052 | Detail |
| Detail | Biskupské gymnázium | 43379486 | Another legal entity | CZ063 | Detail |
| Detail | Biskupské gymnázium J. N. Neumanna, církevní základní škola a základní umělecká škola České Budějovice | 00666122 | Another legal entity | CZ031 | Detail |
| Detail | Biskupské gymnázium v Ostravě | 00845388 | Another entity | CZ080 | Detail |
| Detail | Biskupství litoměřické | 00445126 | Another entity | CZ042 | Detail |
| Detail | Biskupství ostravsko-opavské | 65468953 | Another entity | CZ080 | Detail |
| Detail | BLAHA V. s.r.o. | 28317831 | Czech Republic | CZ | Detail |
| Detail | Blanský les - podhůří | 70819963 | Territorial self-governing unit or its contributory organization | CZ031 | Detail |
| Detail | BM asistent s.r.o. | 26796350 | Another legal entity | CZ071 | Detail |
| Detail | BMT Medical Technology s.r.o. | 46346996 | Another legal entity | CZ06 | Detail |
| Detail | bobbys cz s.r.o. | 03789217 | Another legal entity | CZ064 | Detail |
| Detail | BODEN - MATTE, spol. s r.o. | 25364197 | Czech Republic | CZ | Detail |
| Detail | Bohemia - Hotelová škola a Střední pedagogická škola a Základní škola s.r.o. | 25272501 | Czech Republic | CZ053 | Detail |
| Detail | BOHEMILK, a.s. | 26470535 | Another entity | CZ052 | Detail |
| Detail | Bohuslav Pecina | 60306874 | Another entity | CZ071 | Detail |
| Detail | BOMS Development & Consultancy s.r.o. | 09541110 | Another entity | CZ | Detail |
| Detail | Bonanza Vendolí, z.ú. | 26673703 | Another legal entity | CZ053 | Detail |
| Detail | BONA, o.p.s. | 25732587 | Another legal entity | CZ010 | Detail |
| Detail | BONATRANS GROUP a.s. | 27438678 | Another entity | CZ080 | Detail |
| Detail | BooBo Group s.r.o. | 21838119 | | | Detail |
| Detail | BorsodChem MCHZ, s.r.o. | 26019388 | Another legal entity | CZ080 | Detail |
| Detail | Botanický ústav AV ČR, v. v. i. | 67985939 | Another legal entity | CZ020 | Detail |
| Detail | BOUKAL s.r.o. | 04229282 | Another legal entity | CZ042 | Detail |
| Detail | Boveraclub z.s. | 26989166 | Another legal entity | CZ051 | Detail |
| Detail | BOVYS, s.r.o. | 62028626 | Another legal entity | CZ053 | Detail |
| Detail | BOX Logistic Czech s.r.o. | 28654102 | Another legal entity | CZ080 | Detail |
| Detail | BP Action s.r.o. | 02882591 | Another legal entity | CZ010 | Detail |
| Detail | BPS - VM s.r.o. | 07377924 | Czech Republic | CZ010 | Detail |
| Detail | Brabec velkoobchod s.r.o. | 27710017 | Another entity | CZ063 | Detail |
| Detail | BRAHA plasty, s.r.o. | 25928571 | Another entity | CZ052 | Detail |
| Detail | BrainBeams Health s.r.o. | 19422865 | Another legal entity | CZ010 | Detail |
| Detail | BrainBrush, z. s. | 08378126 | Another entity | CZ080 | Detail |
| Detail | brainymonkey.ai s.r.o. | 21466955 | Another legal entity | CZ032 | Detail |
| Detail | Brandýsko - Boleslavská městská a.s. | 04285638 | Another legal entity | CZ020 | Detail |
| Detail | BRAVEX RADNICE s.r.o. | 10848452 | Another legal entity | CZ032 | Detail |
| Detail | brend elektro s.r.o. | 07435291 | Another legal entity | CZ071 | Detail |
| Detail | BRENSTON BM s.r.o. | 25866893 | Another entity | CZ080 | Detail |
| Detail | BRIKLIS, spol. s r.o. | 43833497 | Another legal entity | CZ031 | Detail |
| Detail | BRIKWOOD s.r.o. | 28817923 | Another entity | CZ063 | Detail |
| Detail | Brněnská diecéze Církve československé husitské | 62160974 | Another legal entity | CZ064 | Detail |
| Detail | BRNIE, s.r.o. | 05448981 | Another legal entity | CZ064 | Detail |
| Detail | BROMIL s.r.o. | 28162692 | Czech Republic | CZ020 | Detail |
| Detail | B:TECH, a.s. | 05615348 | Another entity | CZ | Detail |
| Detail | Buďánka, z.ú. | 05822238 | Another legal entity | CZ010 | Detail |
| Detail | Budějovický Budvar, národní podnik, Budweiser Budvar, National Corporation, Budweiser Budvar, Entreprise Nationale | 00514152 | Another entity | CZ031 | Detail |
| Detail | BUILD LINE s.r.o. | 03809081 | Another entity | CZ010 | Detail |
| Detail | Bunge Czech s.r.o. | 24148032 | Another legal entity | CZ042 | Detail |
| Detail | BuranTeatr z.ú. | 27052460 | Another legal entity | CZ064 | Detail |
| Detail | BUSINESS INFORMATION SYSTEMS & SERVICES BISS, s.r.o. | 25284746 | Another legal entity | CZ053 | Detail |
| Detail | BVS HK s.r.o. | 25923579 | Another entity | CZ052 | Detail |
| Detail | Bydlení Lužec n. C, spol. s r. o. | 19258828 | Another legal entity | CZ052 | Detail |
| Detail | Bytop Zákupy s.r.o. | 22030531 | Another legal entity | CZ051 | Detail |
| Detail | Bytová správa Malé Svatoňovice | 60150645 | Territorial self-governing unit or its contributory organization | CZ052 | Detail |
| Detail | Bytová správa Ministerstva vnitra, s.p.o. | 65737393 | State contributory organization | | Detail |
| Detail | Bytové družstvo BYTSTAV Choceň | 25938185 | Another entity | CZ053 | Detail |
| Detail | Bytové družstvo Cvikovská 3 | 25655591 | Another legal entity | CZ010 | Detail |
| Detail | Bytové družstvo Zubatého 1 | 01791931 | Another legal entity | CZ010 | Detail |
| Detail | CANNONEER group s.r.o. | 27959147 | Another entity | CZ010 | Detail |
| Detail | Čáp CZ s.r.o. | 28761928 | Another entity | CZ010 | Detail |
| Detail | CAPITAL REFRACTORIES s.r.o. | 25881728 | Another legal entity | CZ080 | Detail |
| Detail | Capitol Development s.r.o. | 45307156 | | | Detail |
| Detail | CARBIDE, s.r.o. | 25524879 | Another legal entity | CZ063 | Detail |
| Detail | CARLING, spol. s r. o. | 45477680 | Another legal entity | CZ064 | Detail |
| Detail | Carpe Orbis, z. s. | 05211727 | Another legal entity | CZ | Detail |
| Detail | CARRY TECH INDUSTRIES s.r.o. | 27300242 | Another legal entity | CZ | Detail |
| Detail | Carter\reproplus s.r.o. | 49356828 | Another legal entity | CZ010 | Detail |
| Detail | CasInvent Pharma, a.s. | 09684221 | Czech Republic | CZ064 | Detail |
| Detail | CASRI (Vědecké a servisní pracoviště tělesné výchovy a sportu) | 49366378 | State contributory organization | CZ010 | Detail |
| Detail | CCOE s.r.o. | 04422066 | Another legal entity | CZ010 | Detail |
| Detail | Cecemínsko | 71199845 | Another legal entity | CZ020 | Detail |
| Detail | CECHO - BOHUMIL CEMPÍREK s.r.o. | 27680703 | Another entity | CZ | Detail |
| Detail | CEDR - komunitní spolek | 26590735 | Another entity | CZ042 | Detail |
| Detail | Cemex Czech Republic s.r.o. | 27892638 | Another entity | CZ010 | Detail |
| Detail | C-energy s.r.o. | 25106481 | Another entity | CZ031 | Detail |
| Detail | Centrála cestovního ruchu Olomouckého kraje, s.r.o. | 08658251 | Another legal entity | CZ071 | Detail |
| Detail | Centrální nákup Plzeňského kraje, příspěvková organizace | 72046635 | Territorial self-governing unit or its contributory organization | CZ032 | Detail |
| Detail | Centrální polytechnické dílny, z.s. | 02058774 | Another legal entity | CZ053 | Detail |
