| Detail | Jiří Zakouřil | 68996349 | Another entity | CZ020 | Detail |
| Detail | JISR Institute, a.s. | 05295416 | | | Detail |
| Detail | JISTAB,a.s. | 63079003 | | | Detail |
| Detail | JITEX COMFORT s.r.o. | 25166255 | | | Detail |
| Detail | Jitka Chovítková | 01644637 | Another entity | CZ031 | Detail |
| Detail | Jitka KREJČOVÁ | 66450942 | | | Detail |
| Detail | JITMART s.r.o. | 21998639 | | | Detail |
| Detail | JITRO Olomouc, o.p.s. | 29393647 | Another legal entity | CZ071 | Detail |
| Detail | Jitrocel rehabilitační centrum s.r.o. | 29394139 | | | Detail |
| Detail | JK - Trading spol. s r.o. | 46883690 | Another legal entity | CZ010 | Detail |
| Detail | J.K. marketing s.r.o. | 25551329 | | | Detail |
| Detail | JK SERVIS KRYTY s.r.o. | 09682163 | | | Detail |
| Detail | JK stav - realizace staveb s.r.o. | 27328121 | | | Detail |
| Detail | JKA s.r.o. | 01894595 | | | Detail |
| Detail | JKT Group s.r.o. | 08631239 | Another entity | CZ051 | Detail |
| Detail | J.K.Trans Praha s.r.o. | 25742728 | | | Detail |
| Detail | JL OBALY s.r.o. | 14336243 | | | Detail |
| Detail | JL5 spol. s r.o. | 28273176 | | | Detail |
| Detail | JM - Elektro s.r.o. | 27557766 | | | Detail |
| Detail | JM doprava s.r.o. | 04628217 | | | Detail |
| Detail | J|M Dynamic Project s.r.o. | 05292034 | | | Detail |
| Detail | JM Instal s.r.o. | 05585325 | | | Detail |
| Detail | JM ready construct s.r.o. | 17516382 | | | Detail |
| Detail | JML Automotive CZ s.r.o. | 14001748 | | | Detail |
| Detail | JMS Stavební s.r.o. | 26236915 | | | Detail |
| Detail | JM-TOP s.r.o. | 05997518 | | | Detail |
| Detail | JNS elektrotechnika s.r.o. | 45196478 | | | Detail |
| Detail | J.O.Arbo s.r.o. | 11670452 | | | Detail |
| Detail | Job Sileo s.r.o. | 05729564 | Another entity | CZ080 | Detail |
| Detail | Jobman, s.r.o. | 27177726 | | | Detail |
| Detail | Jobsyno Global s.r.o. | 21368881 | | | Detail |
| Detail | JOBTAKO s.r.o. | 04967402 | | | Detail |
| Detail | Johnson Controls Building Solutions, spol. s r.o. | 07868821 | | | Detail |
| Detail | JOKA Moravský Krumlov, s.r.o. | 47910721 | | | Detail |
| Detail | JOM Advisory s.r.o. | 23336838 | | | Detail |
| Detail | Jonáš Staníček | 11656531 | | | Detail |
| Detail | JOPEK Servis, s.r.o. | 01583573 | | | Detail |
| Detail | JORDÁK s.r.o. | 02222051 | Another entity | CZ010 | Detail |
| Detail | Josef Beránek | 48194832 | Another entity | CZ063 | Detail |
| Detail | Josef Bílek | 18335802 | | | Detail |
| Detail | Josef Bouma | 02617242 | | | Detail |
| Detail | Josef Duben | 13702670 | Czech Republic | CZ063 | Detail |
| Detail | Josef Dufek | 88255115 | | | Detail |
| Detail | Josef Gaja | 86669460 | | | Detail |
| Detail | Josef Chrzanowski | 68361700 | | | Detail |
| Detail | Josef Jehlička | 23292091 | | | Detail |
| Detail | Josef Jeřábek | 44425830 | | | Detail |
| Detail | Josef Komrzý | 17773636 | | | Detail |
| Detail | Josef Lhotka | 87322781 | | | Detail |
| Detail | Josef Lidmila | 04782534 | Another entity | CZ063 | Detail |
| Detail | Josef Makovský | 75952866 | | | Detail |
| Detail | Josef Matějka | 07702787 | Czech Republic | CZ063 | Detail |
| Detail | Josef Němec | 74876392 | | | Detail |
| Detail | Josef Nežerka | 67255213 | | | Detail |
| Detail | Josef Sedlák | 23405376 | | | Detail |
| Detail | Josef Škoula | 61138011 | | | Detail |
| Detail | Josef Šplíchal, DiS. | 09423745 | | | Detail |
| Detail | Josefa Krausová | 10694200 | Czech Republic | CZ031 | Detail |
| Detail | JOST interiér s.r.o. | 27828255 | | | Detail |
| Detail | JOSYMA MB, s.r.o. | 27174557 | | | Detail |
| Detail | JOTASTAV s.r.o. | 27973832 | | | Detail |
| Detail | JoTio Tech s.r.o. | 06084681 | | | Detail |
| Detail | JOTIS, s.r.o. | 25406922 | Another legal entity | CZ042 | Detail |
| Detail | JOTRON s.r.o. | 14282062 | | | Detail |
| Detail | JP Clean Servis - správa nemovitostí, s. r. o. | 06480888 | | | Detail |
| Detail | JP firemní úklidy s.r.o. | 17622158 | | | Detail |
| Detail | JP Legal s.r.o., advokátní kancelář | 07421427 | | | Detail |
| Detail | J.P.D. GROUP, s.r.o. | 27486842 | | | Detail |
| Detail | JP-KONTAKT, s.r.o. | 25922378 | | | Detail |
| Detail | JPP consulting s.r.o. | 19529996 | Another legal entity | CZ | Detail |
| Detail | JPRL | | | | Detail |
| Detail | JPROJEKCE a stavby s.r.o. | 07476752 | | | Detail |
| Detail | JPS CZ s.r.o. | 27332918 | | | Detail |
| Detail | JP-STAVAS s.r.o. | 05659426 | | | Detail |
| Detail | JR KLIMA s.r.o. | 26468166 | | | Detail |
| Detail | JR INTERIER s.r.o. | 06541585 | | | Detail |
| Detail | JR stavby CZ, s.r.o. | 26875080 | | | Detail |
| Detail | JRK Česká republika s.r.o. | 24853640 | | | Detail |
| Detail | J&S stav s.r.o. | 29314674 | | | Detail |
| Detail | JSF stavební s.r.o. | 05568714 | | | Detail |
| Detail | JS-import s.r.o. | 06575552 | | | Detail |
| Detail | Jubilejní Masarykova základní škola a mateřská škola Sedliště | 61963607 | Territorial self-governing unit or its contributory organization | CZ080 | Detail |
| Detail | Jubosa s.r.o. | 02045192 | | | Detail |
| Detail | JUDr. Bc. Marcela Lafek, advokátní kancelář | 08825661 | | | Detail |
| Detail | JUDr. DOMINIK FOJTŮ, advokát | 05416507 | | | Detail |
| Detail | JUDr. Jaromír Štůsek - advokát | 73628301 | | | Detail |
| Detail | JUDr. Jindřich Vítek, advokát | 63622777 | | | Detail |
| Detail | JUDr. Jiří Pokorný, Ph.D., advokát | 86944312 | | | Detail |
| Detail | JUDr. Kamil Jelínek, advokátní kancelář | 88120872 | | | Detail |
| Detail | JUDr. Kateřina Krylová | 40572340 | | | Detail |
| Detail | JUDr. Marcela Káňová, Ph.D., advokát | 06873596 | | | Detail |
| Detail | JUDr. Milan Kocík | 01865757 | | | Detail |
| Detail | JUDr. Pavla Martínková, advokátka | 71464069 | | | Detail |
| Detail | JUDr. Petr Suchomel, advokát | 11930098 | Another entity | CZ010 | Detail |
| Detail | JUDr. Zdeňka Novotná | 06305199 | Another entity | CZ031 | Detail |
| Detail | JUKO petfood s.r.o. | 27714250 | | | Detail |
| Detail | Julius Oláh | 49738593 | | | Detail |
| Detail | JUMING s.r.o. | 25920219 | Another entity | CZ | Detail |
| Detail | JUMP FAMILY s.r.o. | 01918532 | Another entity | CZ042 | Detail |
| Detail | JUMP-TANDEM s.r.o. | 27705587 | | | Detail |
| Detail | Junák - český skaut, středisko Dýmka Habartov, z. s. | 62638726 | Another entity | CZ | Detail |
| Detail | Junák - český skaut, středisko Ležáky Skuteč, z. s. | 15054179 | Another legal entity | CZ053 | Detail |
| Detail | Junák - český skaut, středisko Moravská Orlice Moravské Budějovice, z. s. | 60418648 | Another legal entity | CZ063 | Detail |
| Detail | Junák - český skaut, středisko Oheň Most, z. s. | 41324919 | Another legal entity | CZ | Detail |
| Detail | Junák - český skaut, středisko Střela Plzeň, z. s. | 49777998 | Another entity | CZ032 | Detail |
| Detail | Junák - český skaut, z. s. | 00409430 | Another legal entity | CZ010 | Detail |
| Detail | JUREX VOS, s.r.o. | 12895679 | | | Detail |
| Detail | JUST IT Solutions s.r.o. | 29298466 | Another legal entity | CZ064 | Detail |
| Detail | Justiční akademie | 70961808 | Czech Republic | | Detail |
| Detail | JUSTITIA CONSULTING PARTNERS, s.r.o. | 04549431 | Territorial self-governing unit or its contributory organization | CZ010 | Detail |
| Detail | JUSTMEAT s.r.o. | 09160973 | Another legal entity | CZ053 | Detail |
| Detail | Juta Agency s.r.o. | 04496833 | | | Detail |
| Detail | JUVENFORM s.r.o. | 27806596 | | | Detail |
| Detail | JV logistika s.r.o. | 07258054 | Another entity | CZ053 | Detail |
| Detail | JV PROJEKT VH s.r.o. | 26917581 | | | Detail |
| Detail | JV Zahrady s.r.o. | 23014130 | | | Detail |
| Detail | JVAgro Morava s.r.o. | 26826411 | | | Detail |
| Detail | JVK Energy s.r.o. | 22136584 | | | Detail |
| Detail | JVP Praha a.s. | 64949125 | Czech Republic | CZ01 | Detail |
| Detail | JVV GINKGO s.r.o. | 25219456 | | | Detail |
| Detail | J2V services s.r.o. | 03620352 | Another legal entity | CZ020 | Detail |
| Detail | J3AG, s.r.o. | 03438635 | | | Detail |
| Detail | K - AUDIO Impex s.r.o. | 27380793 | Another legal entity | CZ | Detail |
| Detail | K + B armatury, s.r.o. | 25847988 | | | Detail |
| Detail | K + B Progres, a.s. | 61860123 | | | Detail |
| Detail | K - BUILDING CB, a.s. | 26105594 | | | Detail |
| Detail | K + K Kosice, a.s. | 64829065 | Another entity | CZ052 | Detail |
| Detail | K & V ELEKTRO a.s. | 28463005 | | | Detail |
| Detail | K a K stavoinvesta, s.r.o. | 46966218 | | | Detail |
| Detail | K M B systems, s.r.o. | 47781904 | | | Detail |
| Detail | K O D E X Hořovice s.r.o. | 25134108 | | | Detail |
| Detail | K S F spol. s r.o. | 45800995 | | | Detail |
| Detail | KABEL TRADE PRAHA s.r.o. | 25613383 | | | Detail |
| Detail | KABEL 1 informační technologie s.r.o. | 28967747 | | | Detail |
| Detail | KABELOVÉ BUBNY A BEDNY, s.r.o. | 46969691 | Another legal entity | CZ063 | Detail |
| Detail | KABILA Group s.r.o. | 24273406 | | | Detail |
| Detail | KABLANĚ, spol. s r.o. | 49284886 | Another entity | CZ053 | Detail |
| Detail | Kabr.cz s.r.o. | 29146330 | Another entity | CZ042 | Detail |
| Detail | Kácení Šarapatka s.r.o. | 06667490 | | | Detail |
| Detail | KACUR STAVBY s.r.o. | 10696466 | | | Detail |
| Detail | KADAŇKA stav s.r.o. | 05388651 | | | Detail |
| Detail | KAD&B s.r.o. | 09629483 | | | Detail |
| Detail | KADMARSTAV s.r.o. | 28654242 | | | Detail |
| Detail | KA-EM Gastrotechnik s.r.o. | 01402242 | | | Detail |
| Detail | KaeM TECH s.r.o. | 10907599 | | | Detail |
| Detail | KAHAA ATELIER s.r.o. | 09046097 | | | Detail |
| Detail | KAHIM stavby s.r.o. | 28565746 | Czech Republic | CZ080 | Detail |
| Detail | KAISER s.r.o. | 26733102 | Another legal entity | CZ020 | Detail |
| Detail | KAK zakázkový servis s.r.o. | 06294863 | | | Detail |
| Detail | KALAHA a.s. | 25562151 | | | Detail |