The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18801 | Simple Things | £ 55,697,089 | |
| 18802 | simple things in life | £ -150,921 | |
| 18803 | Simpleton Co. | £ 154,696,172 | |
| 18804 | Simplicity | £ 73,991,816 | |
| 18805 | Simply Caesar | £ 95,974,460 | |
| 18806 | simply does it | £ 16,297,060 | |
| 18807 | simply nuts | £ 3,357,807 | |
| 18808 | Simply Sane Products | £ 46,396,437 | |
| 18809 | Simply Subsidiary | £ 23,554,862 | |
| 18810 | simplysouthern | £ 404,043 | |
| 18811 | Sims Company | £ 69,553,563 | |
| 18812 | Simulation | £ 4,647,866 | |
| 18813 | Sin | £ 882,690,513 | |
| 18814 | Sin City | £ 92,965,888 | |
| 18815 | Sin Co | £ 617 | |
| 18816 | Sin Industries | £ 1,511,830 | |
| 18817 | Sin Sentido | £ 253,153,436 | |
| 18818 | Sinaloa | £ 485,629,591 | |
| 18819 | Sinaloa Cartel | £ 102,795,331 | |
| 18820 | Sinar | £ 20,671,603 | |
| 18821 | Sinatra Select | £ 636,672,700 | |
| 18822 | Sinbad the sailor | £ 214,550,415 | |
| 18823 | Since 1796 | £ 110,846,942 | |
| 18824 | Since Day One | £ 2,298,723,894 | |
| 18825 | sincity | £ 207,710,495 | |
| 18826 | Sinclair Girnigoe | £ 1,133,668,388 | |
| 18827 | Sindar | £ 5,505,299 | |
| 18828 | SINDATERA | £ 4,301,225 | |
| 18829 | Singani | £ 10,311,313,621 | |
| 18830 | Singapore | £ 453,579,334 | |
| 18831 | Singaporean Gang | £ 55,549,023 | |
| 18832 | Singapura | £ 51,209,029 | |
| 18833 | Singh | £ 10,715,804 | |
| 18834 | singham inc | £ 10,963,284 | |
| 18835 | SinghLTD2 | £ 10,446,400 | |
| 18836 | Single Barrel | £ 988,439,929 | |
| 18837 | Single Malt | £ 16,426,947 | |
| 18838 | Single Moms | £ 43,411,404 | |
| 18839 | Sinic Leccy Co | £ 477,855,468 | |
| 18840 | Sinister | £ 1,271,414 | |
| 18841 | Sinister Minister | £ 1,143,745,169 | |
| 18842 | Sink Ships | £ 269,509,457 | |
| 18843 | Sinkain INC | £ 1,959,845 | |
| 18844 | Sinking Ships | £ 81,355,767 | |
| 18845 | Sinners | £ 338,520,161 | |
| 18846 | Sino Group | £ 70,258,948 | |
| 18847 | sins | £ 1,105,930,002 | |
| 18848 | sip | £ 4,947,048 | |
| 18849 | SIPAPIAS | £ -5,901,721 | |
| 18850 | Sipledome | £ -8,748,379 | |
| 18851 | Sipral | £ 5,507,397 | |
| 18852 | sips co | £ 5,109,034 | |
| 18853 | Sir Humphry | £ 491,344,886 | |
| 18854 | Siren | £ 17,058,704 | |
| 18855 | Sirfound inc | £ -9,263 | |
| 18856 | Sirfound inc2 | £ -3,544 | |
| 18857 | sirius co.uk | £ 491,307,189 | |
| 18858 | sister | £ 562,523,191 | |
| 18859 | Sister Sage | £ 47,707,184 | |
| 18860 | Sisters | £ 47,242,309 | |
| 18861 | Sisyphean | £ 48,163,924 | |
| 18862 | Sisyphus | £ 5,393,053 | |
| 18863 | Sit back | £ 240,123,635 | |
| 18864 | Sithis | £ 235,713 | |
| 18865 | Situational Ethics | £ 21,085,479 | |
| 18866 | Sitwel Ent. | £ 13,506,917 | |
| 18867 | Six Feet Under Ltd | £ -1,091,275 | |
| 18868 | Six More | £ 248,598,527 | |
| 18869 | Six Sigma | £ 926,038,187 | |
| 18870 | Sixpence None The Richer | £ 590,722,080 | |
| 18871 | Sixteen Tons | £ 16,844,742 | |
| 18872 | Sixteen Vestal Virgins | £ 121,263,981 | |
| 18873 | sixteenth sixes | £ 77,337,903 | |
| 18874 | sixth army | £ 114,993,130 | |
| 18875 | Sixty Nine | £ 341,328,441 | |
| 18876 | Size | £ 1,820,983 | |
| 18877 | size 13s | £ 381,955,715 | |
| 18878 | SJA | £ 40,568,528 | |
| 18879 | SK1 | £ 87,390,278 | |
| 18880 | SK1 Elite | £ 120,651,100 | |
| 18881 | SK1N | £ -5,430 | |
| 18882 | SK2 | £ 86,097,057 | |
| 18883 | SK3 | £ 69,708,527 | |
| 18884 | Skadegamutc | £ 102,163,417 | |
| 18885 | SkaDouche | £ 5,505,074 | |
| 18886 | Skank | £ 23,429,613 | |
| 18887 | skanky co | £ 50,000 | |
| 18888 | Skarface Inc. | £ 4,262,037 | |
| 18889 | Skarphace Inc. | £ -2,447,925 | |
| 18890 | SKC | £ 268,804,831 | |
| 18891 | Skean Dhu | £ 989,098,234 | |
| 18892 | Skeeno Enterprise | £ 2,939,095 | |
| 18893 | Skeeter13 | £ 145,215,516 | |
| 18894 | Skeggy1 | £ -315,724 | |
| 18895 | Skegness | £ 55,778,602 | |
| 18896 | Skegness Roads | £ 8,057,213 | |
| 18897 | Skeln Pass | £ 4,190,063 | |
| 18898 | Skelto | £ 108,946,767 | |
| 18899 | Skeptics | £ 68,573,119 | |
| 18900 | Sketchers | £ 111,871,409 | |
