The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18801 | Spirit of Freedom | £ 9,684,382 | |
| 18802 | Spiritual Thoughts | £ 1,185,374,020 | |
| 18803 | Spit Fire | £ 5,551,211 | |
| 18804 | Spite | £ 310,964,040 | |
| 18805 | Spitfire Trading | £ 48,680 | |
| 18806 | spitfireco | £ 36,700,053 | |
| 18807 | Splaaterpoop | £ 4,159,923 | |
| 18808 | splash | £ 2,287,106 | |
| 18809 | Splat Enterprises | £ 49,607,152 | |
| 18810 | splatterpoop | £ 3,659,312 | |
| 18811 | splatts | £ 11,623,636 | |
| 18812 | Splice | £ 16,697,004 | |
| 18813 | splimeraw | £ 21,110,620 | |
| 18814 | Splinter Cell | £ 50,852,714 | |
| 18815 | Split Personality | £ 49,737,109 | |
| 18816 | Splitting the Bamboo | £ 25,505,637 | |
| 18817 | Spoetzl Brew Co. | £ 5,503,636 | |
| 18818 | Spongebob | £ 638,000,922 | |
| 18819 | sponges | £ 128,103,338 | |
| 18820 | Spontaneous combustion | £ 627,638,533 | |
| 18821 | spook | £ 66,407 | |
| 18822 | Spooks | £ 13,979,578 | |
| 18823 | spooky | £ 109,820,421 | |
| 18824 | Spoons | £ 197,023,098 | |
| 18825 | Spoony | £ 1,790,194 | |
| 18826 | sport | £ 277,116,653 | |
| 18827 | sport135 | £ 65,913,319 | |
| 18828 | Spot on | £ 359,492,568 | |
| 18829 | Spot Shot | £ 304,036,627 | |
| 18830 | Spots | £ 4,380,222 | |
| 18831 | Spotted Green Shells | £ 39,904,404 | |
| 18832 | Spotted Richard Cleaners | £ 827,497 | |
| 18833 | SprayPaint | £ 1,298,229 | |
| 18834 | Spreader of Illwill | £ 37,333,095 | |
| 18835 | Spring | £ 490,197,562 | |
| 18836 | Spring Garden | £ 7,911,726 | |
| 18837 | Spring Water | £ 47,545,145 | |
| 18838 | Springfield | £ 365,478,507 | |
| 18839 | Springfield Energy | £ 28,463,036 | |
| 18840 | Springfield Nuclear | £ 118,856,090 | |
| 18841 | Springfield Secondary | £ 2,773,399,201 | |
| 18842 | Springfield Town Hall | £ 1,034,480,581 | |
| 18843 | Springkilled | £ 1,269,321 | |
| 18844 | Springs | £ 10,198,183 | |
| 18845 | SpringShield | £ 5,497,507 | |
| 18846 | Sprinks Inc | £ 4,390,671 | |
| 18847 | sprockets | £ 53,703,137 | |
| 18848 | Sprockets Inc | £ 5,030,706 | |
| 18849 | Spud | £ 1,955,323 | |
| 18850 | Spuds | £ 497,366,429 | |
| 18851 | spuff plc | £ 5,506,207 | |
| 18852 | Spunk | £ 2,293,521,269 | |
| 18853 | Spunty | £ 50,000 | |
| 18854 | Sputnik 1 | £ 201,994,262 | |
| 18855 | spyhunter inc | £ -11,388,259 | |
| 18856 | spypro | £ -350,929 | |
| 18857 | SQplus | £ 4,949,127 | |
| 18858 | Squadron of Levant | £ 24,440,791 | |
| 18859 | Square 1 | £ 3,975,862 | |
| 18860 | Square Jaw | £ 698,354,349 | |
| 18861 | Square Pants | £ 313,898,098 | |
| 18862 | squares and pixels | £ 5,766,688 | |
| 18863 | Squat | £ 269,297,736 | |
| 18864 | Squattera Rights | £ 67,413,769 | |
| 18865 | Squid Co | £ 110,348,365 | |
| 18866 | Squid Game | £ 949,021,930 | |
| 18867 | squid killer | £ 964,475 | |
| 18868 | Squiggle and Giggle Inc | £ 479,476,820 | |
| 18869 | squirrel INC | £ 1,697,949 | |
| 18870 | Squirrels | £ 190,551,566 | |
| 18871 | Squirts | £ 3,328,189 | |
| 18872 | Squishy Squid | £ 1,794,797 | |
| 18873 | SR-71 Blackbird | £ 54,082,850 | |
| 18874 | Srbski | £ 63,885,839 | |
| 18875 | Sri Lanka | £ 842,505,943 | |
| 18876 | SRU Enterprises | £ 4,320,914 | |
| 18877 | Srwhite1 | £ 3,314,802 | |
| 18878 | Srwhite2 | £ 9,193,427 | |
| 18879 | Srwhite3 | £ 7,848,712 | |
| 18880 | Srwhite4 | £ 9,006,108 | |
| 18881 | Srwhite5 | £ 8,338,399 | |
| 18882 | SS Destroyer | £ 136,734,417 | |
| 18883 | SS Minow Johnson | £ 134,694,413 | |
| 18884 | St Domingo | £ 79,968,998 | |
| 18885 | St Elmos Fire | £ 251,079,062 | |
| 18886 | St Gaudens | £ 1,292,934,651 | |
| 18887 | St Gennys Krack | £ -203,036 | |
| 18888 | st george | £ 299,285,822 | |
| 18889 | St John | £ 182,306,504 | |
| 18890 | St Louis | £ 950,000 | |
| 18891 | St Louis Blues | £ 71,402,532 | |
| 18892 | St Petersburg | £ 34,520,241 | |
| 18893 | st pierre | £ 57,579,061 | |
| 18894 | St Tropez | £ 2,458,972,934 | |
| 18895 | St. Azrael | £ 8,516,186 | |
| 18896 | St. Gabriel | £ 8,631,942 | |
| 18897 | St. James | £ 60,242,459 | |
| 18898 | St. Louis | £ 47,098,251 | |
| 18899 | St. Michael | £ 5,503,934 | |
| 18900 | St. Peter and St. Paul | £ 670,532,655 | |
