| Detail | SIVAK TECH s.r.o. | 23884916 | | | Detail |
| Detail | SIWECO, s.r.o. | 25999664 | | | Detail |
| Detail | SIZ s.r.o. | 27265480 | | | Detail |
| Detail | SK9, s.r.o. | 28751035 | | | Detail |
| Detail | SK ANNABERG z.s. | 26670852 | Another legal entity | CZ080 | Detail |
| Detail | Skanska a.s. | 26271303 | Another entity | CZ | Detail |
| Detail | Skanska Transbeton, s.r.o. | 60471778 | Another entity | CZ010 | Detail |
| Detail | S K A - T E C spol. s r.o. | 45274975 | | | Detail |
| Detail | SK Baník Libušín, z.s. | 48705888 | Another entity | CZ020 | Detail |
| Detail | SK Březolupy, z.s. | 48491993 | Czech Republic | CZ072 | Detail |
| Detail | SK BÝŠŤ, z.s. | 46494430 | Another legal entity | CZ052 | Detail |
| Detail | SK Design, s.r.o. | 25330551 | | | Detail |
| Detail | SK Dynamo České Budějovice akademie, z.s. | 47234199 | Another legal entity | CZ031 | Detail |
| Detail | SK Horní Staré Město, z.s. | 47466596 | Another entity | CZ052 | Detail |
| Detail | SK Hrachovec, z.s. | 68898525 | Another entity | CZ072 | Detail |
| Detail | SKILL s.r.o. | 48039039 | | | Detail |
| Detail | SKINA s.r.o. | 22524258 | | | Detail |
| Detail | SKI Vítkovice - Bílá z.s. | 70632219 | Another legal entity | CZ080 | Detail |
| Detail | SK JSMEINLINE, z. s. | 07465921 | | | Detail |
| Detail | SK Kladno, z. s. | 16979770 | Another entity | CZ020 | Detail |
| Detail | SK Líšeň | 13691732 | Another legal entity | CZ064 | Detail |
| Detail | Sklostroj Turnov CZ, s.r.o. | 60111739 | Another entity | CZ051 | Detail |
| Detail | SKL RECYKLOSTAV s.r.o. | 29010161 | Another entity | CZ02 | Detail |
| Detail | Škoda Auto a.s. | 00177041 | Another entity | CZ020 | Detail |
| Detail | Škoda Auto Vysoká škola z.ú. | 29142890 | Another legal entity | CZ020 | Detail |
| Detail | ŠKODA JS a.s. | 25235753 | | | Detail |
| Detail | ŠKODA TRANSPORTATION a.s. | 62623753 | | | Detail |
| Detail | SK Olbramovice z.s. | 47082275 | Another legal entity | CZ020 | Detail |
| Detail | SKOLENKA s.r.o. | 03929591 | | | Detail |
| Detail | Školky - Montano, spol. s r.o. | 47546131 | | | Detail |
| Detail | Školní interiéry s.r.o. | 26857596 | Czech Republic | CZ | Detail |
| Detail | Školní jídelna Česká Skalice | 06494528 | Territorial self-governing unit or its contributory organization | CZ052 | Detail |
| Detail | Školní jídelna Jablunkov, Lesní 190, příspěvková organizace | 70640068 | Territorial self-governing unit or its contributory organization | CZ080 | Detail |
| Detail | Školní sportovní klub Bílovec,z.s. | 26626161 | Another entity | CZ080 | Detail |
| Detail | Školní statek, Opava, příspěvková organizace | 00098752 | Territorial self-governing unit or its contributory organization | CZ080 | Detail |
| Detail | SK Olympie Dolní Břežany z.s. | 49855212 | Another legal entity | CZ020 | Detail |
| Detail | SKOS s.r.o. | 62027077 | | | Detail |
| Detail | SK PETŘÍN PLZEŇ z.s. | 00479250 | Another entity | CZ032 | Detail |
| Detail | S&K PUBLIC spol. s r.o. | 46902589 | | | Detail |
| Detail | ŠKRAMPAL spol. s r.o. | 26055554 | | | Detail |
| Detail | SK Řečkovice, z.s. | 44962100 | State contributory organization | CZ064 | Detail |
| Detail | SKR stav, s.r.o. | 26961474 | | | Detail |
| Detail | SK Slavoj Volyně, z.s. | 62519719 | Another legal entity | CZ031 | Detail |
| Detail | SK Sokol Zlatníky, z.s. | 47002638 | Another entity | CZ020 | Detail |
| Detail | SK SPARTAK Příbram, spolek | 61904899 | Another entity | CZ020 | Detail |
| Detail | SK Sportino z. s. | 03757218 | Another entity | CZ080 | Detail |
| Detail | SKS s.r.o. | 43420117 | | | Detail |
| Detail | SK Starý Plzenec z.s. | 45330581 | Another entity | CZ032 | Detail |
| Detail | SK stavby - zámečnictví a.s. | 09305394 | | | Detail |
| Detail | SK stavitel plus s.r.o. | 18025731 | | | Detail |
| Detail | SK Strakonice 1908, z.s. | 22890947 | Another legal entity | CZ031 | Detail |
| Detail | S - Kunststofftechnik s.r.o. | 25901443 | Another legal entity | CZ | Detail |
| Detail | Skymat s.r.o. | | | | Detail |
| Detail | SKYNER s.r.o. | 01612875 | | | Detail |
| Detail | Skypartners by Energylink s.r.o. | 25000781 | | | Detail |
| Detail | SLADOVNY SOUFFLET ČR, a.s. | 26173174 | Another legal entity | CZ071 | Detail |
| Detail | SLAP cz s.r.o. | 26041651 | | | Detail |
| Detail | Slatinné lázně Třeboň s.r.o. | 25179896 | Another legal entity | CZ031 | Detail |
| Detail | Slavia pojišťovna a.s. | 60197501 | | | Detail |
| Detail | Slemr Spedition s.r.o. | 22802819 | Another legal entity | CZ042 | Detail |
| Detail | Slévárna Chomutov s.r.o. | 22113665 | | | Detail |
| Detail | Slévárna Kuřim, a.s. | 29291721 | Another entity | CZ064 | Detail |
| Detail | SLÉVÁRNA, spol. s r.o. | 45539367 | Another entity | CZ052 | Detail |
| Detail | Slévárny Třinec, a.s. | 25830716 | Another entity | CZ080 | Detail |
| Detail | Slezská důlní díla a.s. | 04200667 | | | Detail |
| Detail | SLEZSKÉ STAVBY OPAVA s.r.o. | 48391212 | | | Detail |
| Detail | Slezské zemské muzeum | 00100595 | State contributory organization | CZ080 | Detail |
| Detail | SLIG Consulting, s. r. o. | 25587081 | Another legal entity | CZ064 | Detail |
| Detail | Slivkoff, s.r.o. | 26156377 | Another entity | CZ | Detail |
| Detail | SLORAMA, spol. s r.o. | | | | Detail |
| Detail | SLOUPSKÝ s.r.o. | 25844431 | Another legal entity | CZ071 | Detail |
| Detail | Slovácká pekárna s.r.o. | 14004755 | Another entity | CZ | Detail |
| Detail | Slovácké muzeum v Uherském Hradišti, příspěvková organizace | 00092126 | Territorial self-governing unit or its contributory organization | CZ072 | Detail |
| Detail | SLOVENSKE ENERGETICKE STROJARNE, a.s. | | | | Detail |
| Detail | SLOVPUMP-TRADE, s.r.o. | 36029670 | | | Detail |
| Detail | Sludge s.r.o. | 08416788 | Another legal entity | CZ020 | Detail |
| Detail | SLUDO s.r.o. | 07716303 | | | Detail |
| Detail | Služba, výrobní družstvo | 00028819 | | | Detail |
| Detail | SLUŽBY LIŠOV, s.r.o. | 25157264 | Another legal entity | CZ | Detail |
| Detail | Služby Loučovice s.r.o. | 04825365 | Another legal entity | CZ031 | Detail |
| Detail | Služby města Bechyně, p.o. | 06678769 | Territorial self-governing unit or its contributory organization | CZ031 | Detail |
| Detail | Služby města Bzence, příspěvková organizace | 71217151 | Territorial self-governing unit or its contributory organization | CZ064 | Detail |
| Detail | SLUŽBY MĚSTA JIHLAVY s.r.o. | 60727772 | Another legal entity | CZ063 | Detail |
| Detail | Služby města Jindřichův Hradec s.r.o. | 26043335 | Another legal entity | CZ031 | Detail |
| Detail | Služby města Napajedla, příspěvková organizace | 71240063 | Territorial self-governing unit or its contributory organization | CZ072 | Detail |
| Detail | Služby města Pardubic a.s. | 25262572 | Another legal entity | CZ053 | Detail |
| Detail | Služby města Slušovice, příspěvková organizace | 75158108 | Territorial self-governing unit or its contributory organization | CZ072 | Detail |
| Detail | Služby města Týniště nad Orlicí | 42885086 | Another entity | CZ052 | Detail |
| Detail | Služby Města Veselí nad Moravou | 46936777 | Territorial self-governing unit or its contributory organization | CZ064 | Detail |
| Detail | Služby městyse Pozlovice s.r.o. | 29218934 | Another legal entity | CZ072 | Detail |
| Detail | Služby obce Červená Voda, s.r.o. | 01582836 | Territorial self-governing unit or its contributory organization | CZ053 | Detail |
| Detail | Služby obce Město Albrechtice s.r.o. | 25844067 | Another entity | CZ080 | Detail |
| Detail | Služby Praha s.r.o. | 05073669 | Another entity | CZ | Detail |
| Detail | Sly Fox s.r.o. | 09223550 | | | Detail |
| Detail | Smart Assets s.r.o. | 21461104 | | | Detail |
| Detail | SmartBridge s.r.o. | 02366762 | | | Detail |
| Detail | SmartDORLAND, a.s. | 41694155 | | | Detail |
| Detail | SMART ENERGY CENTRUM s.r.o. | 06007210 | Another legal entity | CZ031 | Detail |
| Detail | SMARTIFY a.s. | 09726276 | | | Detail |
| Detail | Smart Informatics s.r.o. | 03781011 | | | Detail |