| Detail | TOSK Žamberk z.s. | 26652871 | Jiná právnická osoba | CZ053 | Detail |
| Detail | TOSMONT servis s.r.o. | 05647321 | | | Detail |
| Detail | Tost s.r.o. | 11981148 | | | Detail |
| Detail | TOTAL PROTECT s.r.o. | 27488861 | | | Detail |
| Detail | TOTAL SERVICE a.s. | 25618067 | | | Detail |
| Detail | TOUSROL czech s.r.o. | 06362338 | | | Detail |
| Detail | TOVEK, spol. s r.o. | 49687981 | | | Detail |
| Detail | TP ingestav s.r.o. | 27543145 | | | Detail |
| Detail | TP PŘÍBOR s.r.o. | 26865327 | Jiná právnická osoba | CZ080 | Detail |
| Detail | TPP Design and Building s.r.o. | 14202891 | | | Detail |
| Detail | TQM - holding s.r.o. | 49606395 | | | Detail |
| Detail | TR instruments spol. s r.o. | 15530779 | | | Detail |
| Detail | TR systém s.r.o. | 08155691 | | | Detail |
| Detail | TRACO SYSTEMS a.s. | 26200660 | | | Detail |
| Detail | Trade Corporation s.r.o. | 24136361 | | | Detail |
| Detail | Trade FIDES, a.s. | 61974731 | | | Detail |
| Detail | TRADETEX s.r.o. | 03594262 | | | Detail |
| Detail | TRADO-BUS, s.r.o. | 25503316 | | | Detail |
| Detail | Traffic Design s.r.o. | 06499236 | | | Detail |
| Detail | TRAFIN OIL, a.s. | 27789080 | Jiná osoba | CZ080 | Detail |
| Detail | Trafo CZ, a.s. | 27636224 | Jiná právnická osoba | CZ052 | Detail |
| Detail | TRAIVA, s.r.o. | 25380141 | | | Detail |
| Detail | Traktor Centrum s.r.o. | 17496187 | | | Detail |
| Detail | Tramex Rail s.r.o. | 26246422 | | | Detail |
| Detail | TRANCIO Consulting s.r.o. | 06687539 | | | Detail |
| Detail | TRANE ČR spol. s r.o. | 62418661 | | | Detail |
| Detail | Transdev Čechy s.r.o. | 15040500 | Jiná právnická osoba | CZ052 | Detail |
| Detail | Transdev Morava s.r.o. | 06738346 | | | Detail |
| Detail | Transdev Slezsko a.s. | 45192081 | Jiná právnická osoba | CZ080 | Detail |
| Detail | TRANSENERGY s.r.o. | 29152445 | | | Detail |
| Detail | TRANSFORM a.s. Lázně Bohdaneč | 15050114 | Jiná právnická osoba | CZ053 | Detail |
| Detail | Transport tycoon s.r.o. | 03058433 | | | Detail |
| Detail | TRASK SOLUTIONS a.s. | 62419641 | | | Detail |
| Detail | Traťová strojní společnost, a.s. | 04946685 | | | Detail |
| Detail | TRE BAU s.r.o. | 29390150 | | | Detail |
| Detail | Tree Green Silesia s.r.o. | 05191491 | | | Detail |
| Detail | TREKVILA NÁHRADNÍ PLNĚNÍ s.r.o. | 09769544 | | | Detail |
| Detail | TREKVILA s.r.o. | 03329275 | | | Detail |
| Detail | TREMBITA, spol. s r. o. | 48591432 | | | Detail |
| Detail | TRENTO s.r.o. | 63219409 | | | Detail |
| Detail | TREPART Group a.s. | 23062177 | | | Detail |
| Detail | TREPART s.r.o. | 25917838 | | | Detail |
| Detail | TREPP_BIO, s.r.o. | 21162719 | | | Detail |
| Detail | TresTech holding s.r.o. | 22369589 | | | Detail |
| Detail | TresTech s.r.o. | 04262719 | | | Detail |
| Detail | Trevinstav s.r.o. | 21825793 | | | Detail |
| Detail | TREXIMA, spol. s r.o. | 44004508 | | | Detail |
| Detail | TRICK SFX s.r.o. | 04223314 | | | Detail |
| Detail | TRIDEX, a.s. | 24760285 | | | Detail |
| Detail | Tries spol. s r.o. | 47784091 | Jiná právnická osoba | CZ | Detail |
| Detail | Trigema Building a.s. | 27653579 | Jiná osoba | CZ010 | Detail |
| Detail | TRiGY s.r.o. | 06049923 | | | Detail |
| Detail | Trikaya Ponavia IV s.r.o. | 23284773 | Jiná právnická osoba | CZ064 | Detail |
| Detail | TRIMR s.r.o. | 14616238 | | | Detail |
| Detail | Trina Solar (Schweiz) AG | | | | Detail |
| Detail | TRINITY ART s.r.o. | 26874474 | | | Detail |
| Detail | TRIO HAVEL s.r.o. | 60276584 | | | Detail |
| Detail | TRIOS, spol. s r.o. | 44269471 | | | Detail |
| Detail | TRIPLAN s.r.o. | 29457238 | | | Detail |
| Detail | Tris Plzeň s.r.o. | 14148226 | | | Detail |
| Detail | TRITENG, s.r.o. | 09469338 | | | Detail |
| Detail | Tritia spol. s r.o. | 18233864 | | | Detail |
| Detail | TRITON TEAM s.r.o. | 26815788 | Jiná právnická osoba | CZ080 | Detail |
| Detail | TRL Space Systems s.r.o. | 03467112 | Jiná osoba | CZ | Detail |
| Detail | TROJEK, a.s. | 49606778 | Jiná osoba | CZ010 | Detail |
| Detail | TrollComputers s.r.o. | 22799389 | | | Detail |
| Detail | TRON, spol. s r.o. | 42340730 | | | Detail |
| Detail | TRS BV | | | | Detail |
| Detail | TRS Inženýring Brno s.r.o. | 06173888 | | | Detail |
| Detail | TRUCK SERVICE GROUP s.r.o. | 60110759 | | | Detail |
| Detail | TRUHLÁŘ a spol., s.r.o. | 00537284 | Jiná osoba | CZ010 | Detail |
| Detail | Trusted Network Solutions, a.s. | 21771189 | | | Detail |
| Detail | TŘI.ČTRNÁCT architekti s.r.o. | 08668931 | | | Detail |
| Detail | Třinecká Stavební s.r.o. | 11715324 | | | Detail |
| Detail | TŘINECKÉ ŽELEZÁRNY, a. s. | 18050646 | Jiná právnická osoba | CZ080 | Detail |
| Detail | TS Hlučín s.r.o. | 25887289 | Jiná právnická osoba | CZ080 | Detail |
| Detail | TS Jedlová s.r.o. | 27516440 | Jiná právnická osoba | CZ053 | Detail |
| Detail | TS Valašské Meziříčí s.r.o. | 26814463 | | | Detail |
| Detail | TSG, s.r.o. | 41188225 | | | Detail |
| Detail | TSI Písek z.s. | 04812182 | Státní příspěvková organizace | CZ | Detail |
| Detail | T-SOFT a.s. | 40766314 | | | Detail |
| Detail | TSP DATA, a.s. | 26224712 | | | Detail |
| Detail | TSP Plus s.r.o. | 05650780 | | | Detail |
| Detail | TSV Electrics s.r.o. | 23561521 | | | Detail |
| Detail | TŠ recycling s.r.o. | 23441127 | | | Detail |
| Detail | TT HOLDING, a.s. | 24171034 | Jiná právnická osoba | CZ064 | Detail |
| Detail | TTC Controls s.r.o. | 09358650 | | | Detail |
| Detail | TTC MARCONI s. r. o. | 48591254 | | | Detail |
| Detail | TTC TELEKOMUNIKACE, s.r.o. | 41194403 | | | Detail |
| Detail | TTK CZ s.r.o. | 25928180 | | | Detail |
| Detail | TUFÍR, spol. s r.o. | 26263718 | | | Detail |
| Detail | TU-FLOR spol. s r.o. | 48264873 | Jiná osoba | CZ042 | Detail |
| Detail | TUkas ČSAO a.s. | 25614304 | Česká republika | CZ | Detail |
| Detail | Tunkr, spol. s r.o. | 26952734 | | | Detail |
| Detail | Turek Lukáš | 66877181 | Jiná osoba | CZ020 | Detail |
| Detail | TUZETU s.r.o. | 17447828 | | | Detail |
| Detail | TVAR, výrobní družstvo Klatovy | 00028983 | | | Detail |
| Detail | TVD-Technická výroba, a.s. | 26252937 | Jiná právnická osoba | CZ072 | Detail |
| Detail | Tvé barvy s.r.o. | 23303204 | | | Detail |
| Detail | TVM stavby s.r.o. | 06331807 | | | Detail |
| Detail | twibbit spol. s r.o. | 03569004 | | | Detail |
| Detail | TYP AGENCY s.r.o. | 48039306 | Jiná právnická osoba | CZ | Detail |
| Detail | Type.Bo s.r.o. | 14305356 | | | Detail |
| Detail | Typos, tiskařské závody, s.r.o. | 28433301 | | | Detail |
| Detail | Tyr-stav s.r.o. | 23803665 | | | Detail |
| Detail | TZB Consult Prague s.r.o. | 24832618 | | | Detail |
| Detail | TZMO Czech Republic s.r.o. | 26723476 | | | Detail |
| Detail | T2K Progressive s.r.o. | 09849009 | | | Detail |
| Detail | U Hezounů s.r.o. | 10873988 | Jiná osoba | CZ080 | Detail |
| Detail | U Laury s.r.o. | 28388721 | | | Detail |
| Detail | Účetní ústředna s.r.o. | 09362258 | | | Detail |
| Detail | UDIMO, spol. s r.o. | 44740069 | | | Detail |
| Detail | UFIR s.r.o. | 09186701 | | | Detail |
| Detail | UH CAR, s.r.o. | 25512021 | Jiná právnická osoba | CZ072 | Detail |
| Detail | Uhelný Mlýn s.r.o. | 60742399 | Jiná právnická osoba | CZ020 | Detail |
| Detail | Uherskohradišťská nemocnice a.s. | 27660915 | Jiná právnická osoba | CZ072 | Detail |
| Detail | UCHYTIL s.r.o. | 60734078 | | | Detail |
| Detail | ÚJV Řež, a. s. | 46356088 | Jiná osoba | CZ020 | Detail |
| Detail | Úklid a Pořádek, s.r.o. | 21751901 | | | Detail |
| Detail | UKLIDHK s.r.o. | 04265092 | | | Detail |
| Detail | Úklid-Zlín s.r.o. | 06509088 | | | Detail |
| Detail | Ulehla Ivan s.r.o. | 29212375 | | | Detail |
| Detail | uLékaře.cz, s.r.o. | 05341051 | | | Detail |
| Detail | U+M Servis s.r.o. | 25157540 | | | Detail |
| Detail | UMBRELLA CITY LINES s.r.o. | 09057846 | | | Detail |
| Detail | UMBRELLA Coach & Buses s.r.o. | 02665824 | | | Detail |
| Detail | UMBRELLA s.r.o. | 25299352 | Jiná osoba | CZ052 | Detail |
| Detail | Umbrella.technology s.r.o. | 17132959 | Česká republika | CZ042 | Detail |
| Detail | Uměleckoprůmyslové museum v Praze | 00023442 | Státní příspěvková organizace | | Detail |
| Detail | U-MYVAL Čištění & Nátěry s.r.o. | 21810354 | | | Detail |
| Detail | UNBC spol. s r.o. | 05720621 | | | Detail |
| Detail | Underline, a.s. | 25294482 | | | Detail |
| Detail | Unicont Opava s.r.o. | 65142756 | | | Detail |
| Detail | Unicorn Business Systems a.s. | 21940321 | | | Detail |
| Detail | Unicorn Systems a.s. | 25110853 | | | Detail |
| Detail | UNIDATAZ s.r.o. | 25339061 | | | Detail |
| Detail | Unifrol CZ s.r.o. | 04132327 | Jiná osoba | CZ071 | Detail |
| Detail | UNIGEO a.s. | 45192260 | | | Detail |
| Detail | Unigras trend s.r.o. | 07315651 | | | Detail |
| Detail | UNIKO PÍSEK, s.r.o. | 46679405 | | | Detail |
| Detail | Unikont Group s.r.o. | 41193113 | | | Detail |
| Detail | UNILES, a.s. | 47307706 | | | Detail |
| Detail | Unimed Praha, s.r.o. | 14891344 | | | Detail |
| Detail | UNIMETAL - engineering, s.r.o. | 26787385 | | | Detail |
| Detail | UNImont plus s.r.o. | 06875327 | Jiná osoba | CZ063 | Detail |
| Detail | UnionOcel, s.r.o. | 26487292 | Jiná právnická osoba | CZ010 | Detail |
| Detail | UNIONSTEEL s.r.o. | 25381601 | Jiná osoba | CZ080 | Detail |
| Detail | UNIPRESS spol. s r.o. | 47282789 | Česká republika | CZ | Detail |
| Detail | UNIPRO - ALPHA C.S., spol. s r.o. | 26435357 | | | Detail |
| Detail | Unis Services s.r.o. | 29370451 | | | Detail |