| Detail | RecyKab s.r.o. | 06554148 | Another legal entity | CZ020 | Detail |
| Detail | RECYKLAČNÍ CENTRUM s.r.o. | 07612648 | Another entity | CZ042 | Detail |
| Detail | RECYS-MACH s.r.o. | 26344955 | | | Detail |
| Detail | ReDat Recording, a.s. | 05648114 | | | Detail |
| Detail | Red Fox Event s.r.o. | 08514305 | | | Detail |
| Detail | Ředitelství silnic a dálnic s. p. | 65993390 | Another legal entity | CZ | Detail |
| Detail | Ředitelství silnic Zlínského kraje,příspěvková organizace | 70934860 | Territorial self-governing unit or its contributory organization | CZ072 | Detail |
| Detail | Ředitelství vodních cest ČR | 67981801 | Czech Republic | CZ010 | Detail |
| Detail | REDL - servis s.r.o. | 25828355 | | | Detail |
| Detail | REDO, s.r.o. | 46342010 | | | Detail |
| Detail | Redox Core s.r.o. | 23744936 | | | Detail |
| Detail | Red Robot s.r.o. | 09154736 | | | Detail |
| Detail | REDSTORE ONLINE s.r.o. | 11999632 | | | Detail |
| Detail | Refi-CZ s.r.o. | 63496411 | | | Detail |
| Detail | Refreshed Development s.r.o. | 21476390 | | | Detail |
| Detail | Refri systémy, s.r.o. | 01751255 | | | Detail |
| Detail | Refuel s.r.o. | 24849308 | | | Detail |
| Detail | Regenu s.r.o. | 14200210 | | | Detail |
| Detail | RegioJet a.s. | 28333187 | Another legal entity | CZ064 | Detail |
| Detail | Regionální hospodářská komora Brno | 48907723 | Another legal entity | CZ064 | Detail |
| Detail | Regionální muzeum v Českém Krumlově | 00070572 | Territorial self-governing unit or its contributory organization | CZ | Detail |
| Detail | Regionální muzeum v Teplicích, příspěvková organizace | 00083241 | Territorial self-governing unit or its contributory organization | CZ042 | Detail |
| Detail | Regionální rada rozvoje a spolupráce se sídlem v Třinci, z. s. | 44741031 | Another legal entity | CZ080 | Detail |
| Detail | Regionální rozvojová agentura Vysočina, zájmové sdružení právnických osob v likvidaci | 70857555 | Territorial self-governing unit or its contributory organization | CZ063 | Detail |
| Detail | Region Orlicko-Třebovsko | 70939659 | Another legal entity | CZ053 | Detail |
| Detail | Region Slezská brána | 69609969 | Territorial self-governing unit or its contributory organization | CZ080 | Detail |
| Detail | Region Za Moravú | 70878919 | Another legal entity | CZ072 | Detail |
| Detail | REGONIK CZ s.r.o. | 25290819 | | | Detail |
| Detail | REGOSYS s.r.o. | 06972462 | | | Detail |
| Detail | Reg- Pharm, s.r.o. | 49703684 | | | Detail |
| Detail | REGRA PLAST spol. s r.o. | 25400797 | Another legal entity | CZ042 | Detail |
| Detail | RegulatoryOne OÜ | | | | Detail |
| Detail | R E G U L U S spol. s r.o. | 45317020 | | | Detail |
| Detail | Rehabilitační centrum Čeladná s.r.o. | 25868951 | Another legal entity | CZ080 | Detail |
| Detail | Rehabilitační ústav Hrabyně | 00601233 | State contributory organization | CZ080 | Detail |
| Detail | Rehabilitační ústav Kladruby | 00068705 | State contributory organization | CZ02 | Detail |
| Detail | Řehák Josef | 42205131 | | | Detail |
| Detail | Řehák – SPELEO s.r.o. | 04203216 | | | Detail |
| Detail | REIMONT - ELEKTRO s.r.o. | 47283025 | | | Detail |
| Detail | Reinsberg Group Czechia and Slovakia a.s. | 14003155 | | | Detail |
| Detail | RE IN s.r.o. | 48109339 | | | Detail |
| Detail | REINVEST spol. s r.o. | 65410840 | | | Detail |
| Detail | REISSWOLF s.r.o. | 25097008 | | | Detail |
| Detail | Rejstřík trestů | 00026085 | Czech Republic | CZ | Detail |
| Detail | Rekenber s.r.o. | 08976350 | Another entity | CZ | Detail |
| Detail | REKMA, spol. s r.o. | 25551337 | | | Detail |
| Detail | REKOLA Bikesharing s.r.o. | 04893875 | Czech Republic | CZ010 | Detail |
| Detail | REKOL - komplexní stavební rekonstrukce s.r.o. | 28653386 | | | Detail |
| Detail | REKOM Nový Bydžov, a.s. | 25264737 | Another entity | CZ052 | Detail |
| Detail | Rekomont, a. s. | 00499838 | | | Detail |
