| No | Entrant | Races | Active Years |
|---|
| 806 | S. Greene (Non-champ only) | 1 |
1956 |
| 807 | Sachs Racing | 4 |
1978 |
| 808 | Safir Engineering (Non-champ only) | 2 |
1975 |
| 809 | Sahara Force India F1 Team | 130 |
2012–2018 |
| 810 | Saipa Modena (Non-champ only) | 1 |
1953 |
| 811 | Sam Tingle | 3 |
1963, 1965, 1967 |
| 812 | Sampson Manufacturing Co (Indy only) | 1 |
1950 |
| 813 | Samson Shadow Racing Team | 16 |
1979 |
| 814 | Samuel W. Traylor III (Indy only) | 2 |
1955–1956 |
| 815 | Sana/Withers of Winsford (Non-champ only) | 2 |
1976 |
| 816 | Sangria Designs (Non-champ only) | 2 |
1976 |
| 817 | Sasol Jordan | 32 |
1993–1994 |
| 818 | Sasol Jordan Yamaha | 16 |
1992 |
| 819 | Sauber | 16 |
1993 |
| 820 | Sauber F1 Team | 137 |
2011–2017 |
| 821 | Sauber Mercedes | 16 |
1994 |
| 822 | Sauber Petronas | 70 |
2002–2005 |
| 823 | Scirocco Powell Racing Cars | 5 |
1963 |
| 824 | SCM Minardi Team | 16 |
1990 |
| 825 | Scribante Lucky Strike Racing | 6 |
1972–1974 |
| 826 | Scuderia Achille Varzi | 3 |
1950 |
| 827 | Scuderia AlphaTauri | 44 |
2022–2023 |
| 828 | Scuderia AlphaTauri Honda | 39 |
2020–2021 |
| 829 | Scuderia Ambrosiana | 17 |
1950–1951, 1954–1955 |
| 830 | Scuderia Centro Sud | 52 |
1956–1961, 1963–1965 |
| 831 | Scuderia Colonia | 7 |
1960–1961 |
| 832 | Scuderia de Tomaso | 1 |
1962 |
| 833 | Scuderia Eugenio Castellotti | 4 |
1960 |
| 834 | Scuderia Ferrari | 399 |
1950–1960, 1993–1996, 2012–2020, 2022–2024 |
| 835 | Scuderia Ferrari HP | 12 |
2025 |
| 836 | Scuderia Ferrari Marlboro | 261 |
1997–2011 |
| 837 | Scuderia Ferrari Mission Winnow | 5 |
2019 |
| 838 | Scuderia Ferrari SpA | 48 |
1990–1992 |
| 839 | Scuderia Ferrari SpA SEFAC | 378 |
1961–1989 |
| 840 | Scuderia Finotto | 4 |
1974 |
| 841 | Scuderia Franera | 4 |
1952 |
| 842 | Scuderia Guastalla | 4 |
1956 |
| 843 | Scuderia Gulf Rondini | 4 |
1976 |
| 844 | Scuderia Jolly Club | 1 |
1962 |
| 845 | Scuderia Lancia | 7 |
1954–1955 |
| 846 | Scuderia Lupini | 1 |
1963 |
| 847 | Scuderia Marzotto | 2 |
1952 |
| 848 | Scuderia Milano | 6 |
1950–1951, 1953 |
| 849 | Scuderia Mission Winnow Ferrari | 22 |
2021 |
| 850 | Scuderia Sant'Ambroeus | 2 |
1961 |
| 851 | Scuderia Scribante | 4 |
1965, 1967–1968, 1970 |
| 852 | Scuderia Serenissima | 5 |
1961 |
| 853 | Scuderia Settecolli | 3 |
1961–1963 |
| 854 | Scuderia SSS Republica di Venezia | 3 |
1962 |
| 855 | Scuderia Sud Americana | 1 |
1958 |
| 856 | Scuderia Toro Rosso | 226 |
2006–2017 |
| 857 | Scuderia Ugolini | 2 |
1959 |
| 858 | Scuderia Volpini | 2 |
1955 |
| 859 | Selby Auto Spares | 1 |
1963 |
| 860 | Serena (Non-champ only) | 1 |
1954 |
| 861 | Shadow Cars | 5 |
1980 |
| 862 | Shadow Racing Team | 48 |
1976–1978 |
| 863 | Shadow Racing with Tabatip | 2 |
1976 |
| 864 | Shannon Bros (Indy only) | 1 |
1956 |
| 865 | Shell Arnold | 1 |
1971 |
| 866 | Shellsport/Whiting | 29 |
1976–1977 |
| 867 | Siffert Racing Team | 17 |
1963–1964 |
| 868 | Silvio Moser Racing Team | 12 |
1969–1970 |
| 869 | Sir Jeremy Boles | 13 |
1954–1955 |
| 870 | Skoal Bandit Formula 1 Team | 30 |
1984–1985 |
| 871 | Skol Fittipaldi Team | 14 |
1980 |
| 872 | Smith and Jones (Non-champ only) | 1 |
1979 |
| 873 | South California Muffler Co (Indy only) | 2 |
1954–1955 |
| 874 | Spax Dampers (Non-champ only) | 3 |
1976 |
| 875 | Spirit Enterprises Ltd | 3 |
1985 |
| 876 | Spirit Racing | 22 |
1983–1984 |
| 877 | SportPesa Racing Point F1 Team | 21 |
2019 |
| 878 | Sports Cars of Austria | 2 |
1976 |
| 879 | Spyker F1 Team | 17 |
2007 |
| 880 | Spyker MF1 Racing | 3 |
2006 |
| 881 | Stake F1 Team Kick Sauber | 22 |
2024 |
| 882 | Stanley BRM | 17 |
1975–1977 |
| 883 | Stichting Autoraces Nederland | 1 |
1971 |
| 884 | Stirling Moss Ltd | 15 |
1955–1956 |
| 885 | STP Corporation | 5 |
1970 |
| 886 | STP March Racing Team | 34 |
1971–1973 |
| 887 | Subaru Coloni Racing | 8 |
1990 |
| 888 | Super Aguri F1 | 18 |
2006 |
| 889 | Super Aguri F1 Team | 21 |
2007–2008 |
