The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 17701 | Silent Inc. | £ 286,365,315 | |
| 17702 | Silent Stalker | £ 1,059,795 | |
| 17703 | Silent_Whisper | £ 189,456,569 | |
| 17704 | Silica Gel | £ 416,330,491 | |
| 17705 | Silk Boxers | £ 79,929,679 | |
| 17706 | Silly Sock Emporium | £ 39,630,934 | |
| 17707 | Silly Walks | £ 8,973,455 | |
| 17708 | SillyPutty | £ 39,214,929 | |
| 17709 | Silmarils Inc | £ 5,502,423 | |
| 17710 | Siloporten | £ 6,969,503 | |
| 17711 | silva | £ 36,054,742 | |
| 17712 | Silver | £ 1,180,220,963 | |
| 17713 | Silver Aftershock | £ 56,640,118 | |
| 17714 | Silver Haze | £ 320,165,501 | |
| 17715 | Silver Inc | £ 10,197,661 | |
| 17716 | Silver Plated Netrobucks | £ 169,274,529 | |
| 17717 | Silver Shamrock Inc | £ 2,317,866 | |
| 17718 | Silver Spoon Cafe | £ 173,449,592 | |
| 17719 | Silver Surfer | £ 761,887,279 | |
| 17720 | Silver Wings | £ 1,381,690,294 | |
| 17721 | Silverdale St | £ 30,471,547 | |
| 17722 | Silvermoon Enterprises | £ -214,855 | |
| 17723 | Silvertide Enterprises | £ -1,627,976 | |
| 17724 | silvra | £ 54,285,205 | |
| 17725 | Sim City3 | £ 2,672,113 | |
| 17726 | Simcoe County | £ 5,557,781 | |
| 17727 | Simon Cowells posterior | £ 240,514,908 | |
| 17728 | Simon Fraser University | £ 119,553,446 | |
| 17729 | Simon The Sprout | £ 392,953,118 | |
| 17730 | Simple | £ 199,139,466 | |
| 17731 | Simple Inc. | £ 161,992,874 | |
| 17732 | Simple Things | £ 55,697,089 | |
| 17733 | simple things in life | £ -150,921 | |
| 17734 | Simpleton Co. | £ 154,696,172 | |
| 17735 | Simplicity | £ 73,991,816 | |
| 17736 | Simply Caesar | £ 95,974,460 | |
| 17737 | simply does it | £ 16,297,060 | |
| 17738 | simply nuts | £ 3,357,807 | |
| 17739 | Simply Sane Products | £ 46,396,437 | |
| 17740 | Simply Subsidiary | £ 23,554,862 | |
| 17741 | simplysouthern | £ 404,043 | |
| 17742 | Sims Company | £ 69,553,563 | |
| 17743 | Simulation | £ 4,647,866 | |
| 17744 | Sin | £ 882,690,513 | |
| 17745 | Sin City | £ 92,965,888 | |
| 17746 | Sin Co | £ 617 | |
| 17747 | Sin Industries | £ 1,511,830 | |
| 17748 | Sin Sentido | £ 253,153,436 | |
| 17749 | Sinaloa | £ 485,751,117 | |
| 17750 | Sinaloa Cartel | £ 102,795,331 | |
| 17751 | Sinar | £ 46,848,122 | |
| 17752 | Sinatra Select | £ 636,672,700 | |
| 17753 | Sinbad the sailor | £ 214,550,415 | |
| 17754 | Since Day Five | £ 2,948,115,072 | |
| 17755 | Since Day four | £ 1,582,450,594 | |
| 17756 | Since Day One | £ 2,293,425,613 | |
| 17757 | Since Day Three | £ 321,438,655 | |
| 17758 | Since Day two | £ 955,774,076 | |
| 17759 | sincity | £ 207,710,495 | |
| 17760 | Sinclair Girnigoe | £ 1,133,668,388 | |
| 17761 | Sindar | £ 5,505,299 | |
| 17762 | SINDATERA | £ 4,301,225 | |
| 17763 | Singani | £ 10,311,313,621 | |
| 17764 | Singapore | £ 453,579,334 | |
| 17765 | Singapura | £ 51,209,029 | |
| 17766 | Singh | £ 10,715,804 | |
| 17767 | singham inc | £ 10,963,284 | |
| 17768 | SinghLTD2 | £ 10,446,400 | |
| 17769 | Single Barrel | £ 988,439,929 | |
| 17770 | Single Malt | £ 16,426,947 | |
| 17771 | Single Moms | £ 79,117,613 | |
| 17772 | Sinic Leccy Co | £ 477,855,468 | |
| 17773 | Sinister | £ 1,271,414 | |
| 17774 | Sinister Minister | £ 1,134,834,536 | |
| 17775 | Sink Ships | £ 269,509,457 | |
| 17776 | Sinkain INC | £ 1,959,845 | |
| 17777 | Sinking Ships | £ 81,355,767 | |
| 17778 | Sinners | £ 338,520,161 | |
| 17779 | Sino Group | £ 66,211,223 | |
| 17780 | sins | £ 1,105,930,002 | |
| 17781 | sip | £ 4,947,048 | |
| 17782 | SIPAPIAS | £ -5,901,721 | |
| 17783 | Sipledome | £ -8,748,379 | |
| 17784 | Sipral | £ 5,507,397 | |
| 17785 | sips co | £ 5,109,034 | |
| 17786 | Sir Humphry | £ 491,344,886 | |
| 17787 | Siren | £ 17,058,704 | |
| 17788 | Sirfound inc | £ -9,263 | |
| 17789 | Sirfound inc2 | £ -3,544 | |
| 17790 | sirius co.uk | £ 484,163,269 | |
| 17791 | sister | £ 562,523,191 | |
| 17792 | Sisters | £ 47,242,309 | |
| 17793 | Sisyphean | £ 48,163,924 | |
| 17794 | Sisyphus | £ 5,393,053 | |
| 17795 | Sit back | £ 33,341,442 | |
| 17796 | Sithis | £ 235,713 | |
| 17797 | Situational Ethics | £ 11,121,352 | |
| 17798 | Sitwel Ent. | £ 13,506,917 | |
| 17799 | Six Feet Under Ltd | £ -1,091,275 | |
| 17800 | Six More | £ 248,598,527 | |
