| Detail | Severočeská stavební, a.s. | 25458426 | | | Detail |
| Detail | Severočeské doly a.s. | 49901982 | Another entity | CZ | Detail |
| Detail | Severočeské vodovody a kanalizace, a.s. | 49099451 | Another legal entity | CZ | Detail |
| Detail | Severochema, družstvo pro chemickou výrobu, Liberec | 00029220 | Another legal entity | CZ051 | Detail |
| Detail | Severomoravské vodovody a kanalizace Ostrava a.s. | 45193665 | Another entity | CZ080 | Detail |
| Detail | SEVITECH CZ s.r.o. | 07081561 | | | Detail |
| Detail | SE V Saxonie s.r.o. | 17368341 | Another entity | CZ010 | Detail |
| Detail | Seyfor, a. s. | 01572377 | | | Detail |
| Detail | SEZAKO Prostějov s.r.o. | 25579703 | | | Detail |
| Detail | SEŽEV chráněná dílna s.r.o. | 05098882 | | | Detail |
| Detail | SEŽEV facility s.r.o. | 29244960 | | | Detail |
| Detail | SEZZAM spol. s r.o. | 00655368 | | | Detail |
| Detail | SFK ELKO Holešov, z.s. | 26535475 | Another entity | CZ072 | Detail |
| Detail | S.G.E.C. s.r.o. | 21771553 | | | Detail |
| Detail | SGEN it, s.r.o. | 04660340 | | | Detail |
| Detail | SG Geotechnika a.s. | 41192168 | | | Detail |
| Detail | SG IVS Global - L.L.C | | | | Detail |
| Detail | SGS Czech Republic, s.r.o. | 48589241 | | | Detail |
| Detail | SHAREPORT s.r.o. | 06732321 | Another legal entity | CZ | Detail |
| Detail | Sharp Business Systems Czech Republic s.r.o. | 04059573 | | | Detail |
| Detail | SHB Hovorka s.r.o. | 28076044 | | | Detail |
| Detail | Š + H Bohunice, s.r.o. | 45022313 | | | Detail |
| Detail | SH ČMS - Krajské sdružení hasičů Královéhradeckého kraje | 71175083 | Another entity | CZ052 | Detail |
| Detail | SH ČMS - Sbor dobrovolných hasičů Jevíčko | 64210693 | Another entity | CZ053 | Detail |
| Detail | SH ČMS - Sbor dobrovolných hasičů Mladkov | 49317491 | Another entity | CZ053 | Detail |
| Detail | SH ČMS - Ústřední hasičská škola Jánské Koupele | 66144591 | Another entity | CZ080 | Detail |
| Detail | SH Commerce, s.r.o. | 07124856 | | | Detail |
| Detail | Sherpas TECH, s. r. o. | 08598495 | | | Detail |
| Detail | Shiftiary s.r.o. | 07772726 | Another legal entity | CZ010 | Detail |
| Detail | SHIMAN AND KOMPANY s.r.o. | 22136592 | | | Detail |
| Detail | SHOP TRADING s.r.o. | 24717509 | | | Detail |
| Detail | Showdown Displays Europe, s.r.o. | 64574822 | | | Detail |
| Detail | SHP TS s.r.o. | 28342771 | | | Detail |
| Detail | SIAD Czech spol. s r.o. | 48117153 | | | Detail |
| Detail | SIAGRA s.r.o. | 26260409 | | | Detail |
| Detail | SIBOM s.r.o. | 48395625 | | | Detail |
| Detail | SICAR, spol. s r.o. | 47541547 | | | Detail |
| Detail | S.ICZ a.s. | 26482444 | | | Detail |
| Detail | SIDA s.r.o. | 60697148 | | | Detail |
| Detail | SIEBERT + TALAŠ, spol. s r.o. | 06943187 | | | Detail |
| Detail | Siemens Healthcare, s.r.o. | 04179960 | | | Detail |
| Detail | Siemens Mobility, s.r.o. | 06931995 | | | Detail |
| Detail | Siemens, s.r.o. | 00268577 | Another legal entity | CZ | Detail |
| Detail | SIGI Aquatec s.r.o. | 28747321 | | | Detail |
| Detail | SIGMA GROUP a.s. | 60702001 | Another legal entity | CZ071 | Detail |
| Detail | Signal Projekt s.r.o. | 25525441 | | | Detail |
| Detail | SIGNIA, s.r.o. | 28298951 | | | Detail |
| Detail | Signify Commercial Czech Republic s.r.o. | 04264240 | | | Detail |
| Detail | SiJaMo s.r.o. | 28738861 | | | Detail |
| Detail | SIKS a.s. | 28213882 | | | Detail |
| Detail | Šikula - Stěhovák, s.r.o. | 02449366 | | | Detail |
| Detail | SILASFALT s.r.o. | 62302370 | Another legal entity | CZ | Detail |
| Detail | silkroad brand s.r.o. | 14319055 | | | Detail |
| Detail | SILNET, s.r.o. | 06684939 | | | Detail |
| Detail | Silnice Cajk, s.r.o. | 08894311 | | | Detail |
| Detail | SILNICE ČÁSLAV - HOLDING, a.s. | 25261282 | Another entity | CZ020 | Detail |
| Detail | Silnice Chleby s.r.o. | 22192913 | | | Detail |
| Detail | SILNICE.CZ s. r. o. | 26792711 | Another legal entity | CZ080 | Detail |
| Detail | Silnice doprava a.s. | 25827898 | | | Detail |
| Detail | SILNICE HEJDA s.r.o. | 25189565 | | | Detail |
| Detail | Silnice Klatovy a.s. | 45357307 | | | Detail |
| Detail | Silnice Kubát s.r.o. | 21694052 | Czech Republic | CZ020 | Detail |
| Detail | SILNICE MORAVA s.r.o. | 25357352 | | | Detail |
| Detail | Silnice Topolany a.s. | 05758734 | | | Detail |
| Detail | Silnice TS s.r.o. | 25796160 | | | Detail |
| Detail | Silniční inženýrská společnost, s.r.o. | 46885315 | | | Detail |
| Detail | Silniční vývoj - ZDZ spol. s r.o. | 64507181 | | | Detail |
| Detail | Siluett plast, s.r.o. | 29115361 | | | Detail |
| Detail | Silvafortis s.r.o. | 23880139 | | | Detail |
| Detail | SILVAGRO s.r.o. | 27476162 | Another legal entity | CZ052 | Detail |
| Detail | Silvan Špicar | 73030406 | Another entity | CZ080 | Detail |
| Detail | Silverton s.r.o. | 24283410 | | | Detail |
| Detail | S I M A T , akciová společnost | 43001211 | | | Detail |
| Detail | Simbit Enterprises s.r.o. | 07177810 | | | Detail |
| Detail | ŠIMEK proficentrum s.r.o. | 25247301 | Another legal entity | CZ032 | Detail |
| Detail | SIMEXA s.r.o. | 17545196 | | | Detail |
| Detail | Simona Plast-Technik s.r.o. | 25496344 | Czech Republic | CZ042 | Detail |
| Detail | Simona Zagora | 03605108 | Another legal entity | CZ020 | Detail |
| Detail | Šimon Růžička | 23547464 | | | Detail |
| Detail | Simple Lift s.r.o. | 04352246 | | | Detail |
| Detail | Simply LED, s.r.o. | 17464307 | | | Detail |
| Detail | Simply Pro Security s.r.o. | 06655947 | | | Detail |
| Detail | SimulationsDienstleistungsZentrum GmbH | | | | Detail |
| Detail | SimulPlast, s.r.o. | 27809862 | | | Detail |
| Detail | Simuverse GmbH | | | | Detail |
| Detail | SimVR s.r.o. | 18043356 | | | Detail |
| Detail | Šindler, důlní a stavební společnost s.r.o. | 00204382 | | | Detail |
| Detail | SINOPORT s.r.o. | 09080341 | | | Detail |
| Detail | "sinpps s.r.o." | 62584332 | | | Detail |
| Detail | Sintech-Energy s.r.o. | 09204300 | | | Detail |
| Detail | SINTEX, a.s. | 25298496 | | | Detail |
| Detail | SinuCraft s.r.o. | 22179569 | | | Detail |
| Detail | S - Invest CZ s.r.o. | 25526171 | | | Detail |
| Detail | S - Invest CZ tender s.r.o. | 09980229 | | | Detail |
| Detail | SIOT Trade s.r.o. | 28970535 | | | Detail |
| Detail | SISKO spol. s r. o. | 47155558 | | | Detail |
| Detail | SIS RENEWABLES s.r.o. | 08721815 | | | Detail |
| Detail | SITA B.V. - organizační složka pro Českou republiku | 70899061 | | | Detail |
| Detail | SITAP, s.r.o. | 45195404 | Another legal entity | CZ071 | Detail |
| Detail | SITEL, spol. s r.o. | 44797320 | | | Detail |
