The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 17701 | Shoe polish | £ 52,030,941 | |
| 17702 | Shoeless | £ 60,231,947 | |
| 17703 | shoezone | £ 37,930 | |
| 17704 | Shoot inc | £ 2,798,108 | |
| 17705 | Shooterz R Us | £ 703,893 | |
| 17706 | Shootings | £ 57,200,781 | |
| 17707 | shootingStar | £ 209,299,073 | |
| 17708 | Shopkeepers | £ 40,611,492 | |
| 17709 | Shoplifting | £ 161,186,223 | |
| 17710 | shopsandall | £ 83,390 | |
| 17711 | Shore | £ 424,904 | |
| 17712 | shore cash | £ 45,162,059 | |
| 17713 | Shores | £ 678,462,845 | |
| 17714 | Short | £ 688,235,452 | |
| 17715 | Short Circuit | £ 50,113,997 | |
| 17716 | Short Hand Inc. | £ 280,435,844 | |
| 17717 | Short Ladder Attack | £ 32,999,174 | |
| 17718 | Short Squeeze | £ 184,035,899 | |
| 17719 | Shortcuts | £ 45,802,762 | |
| 17720 | Shot into space | £ 10,974,522 | |
| 17721 | Shota Wamberto | £ 1,460,075 | |
| 17722 | SHOTGUN | £ 76,231,042 | |
| 17723 | Shotgun inc | £ 1,790,888 | |
| 17724 | shots and barrels | £ 3,678,860 | |
| 17725 | Should I | £ 58,117,916 | |
| 17726 | Should We Shoot Them | £ 55,141,268 | |
| 17727 | Shove You | £ 640,839,596 | |
| 17728 | Show Me | £ 3,585,067 | |
| 17729 | Showers | £ 661,319,910 | |
| 17730 | Showtime | £ 43,627,165 | |
| 17731 | Shrek2 | £ 9,501,090 | |
| 17732 | ShrinkingViolet | £ 50,000 | |
| 17733 | Shrooms inc | £ 74,260,374 | |
| 17734 | Shropshire Enterprise | £ 2,211,592 | |
| 17735 | SHU | £ 584,231,729 | |
| 17736 | Shuffle Nights | £ 5,503,006 | |
| 17737 | shut up | £ 103,351,395 | |
| 17738 | Shut Up Meg | £ 23,511,988 | |
| 17739 | Shutting up shop | £ 44,690,066 | |
| 17740 | Siamese Gnats | £ 1,460,583,978 | |
| 17741 | Siberian Forest Cat | £ 609,759,388 | |
| 17742 | SIBF | £ 13,287,396,096 | |
| 17743 | Sic | £ 87,406,897 | |
| 17744 | Sicario | £ 56,880,872 | |
| 17745 | Sicilian Holding Corp. | £ 24,703,410 | |
| 17746 | Sicily | £ 38,366,402 | |
| 17747 | Sick | £ 44,661,349 | |
| 17748 | Sick on a Widow | £ 145,081,811 | |
| 17749 | Sickness | £ -10,078,045 | |
| 17750 | Sickoz Company | £ 184,902,461 | |
| 17751 | sid | £ 16,772,505 | |
| 17752 | Sid The Sexist | £ 11,083,450 | |
| 17753 | Sidders85 inc | £ 50,000 | |
| 17754 | Side Pony | £ 191,337,989 | |
| 17755 | SideLineD | £ 3,552,075 | |
| 17756 | Sidewinder | £ 227,297,344 | |
| 17757 | Sidewinder Missle | £ 59,313,808 | |
| 17758 | Sidney inc | £ 50,000 | |
| 17759 | Sids Emporium | £ 15,032,548 | |
| 17760 | Sieber | £ 50,000 | |
| 17761 | Sifosed Enterprises | £ 25,255 | |
| 17762 | Sift co | £ -137,410 | |
| 17763 | Sighs | £ 9,874,626 | |
| 17764 | Sight | £ 200,734,160 | |
| 17765 | Sigma Industries | £ 17,556 | |
| 17766 | Sigma-957 | £ 56,676,770 | |
| 17767 | Sigma-Aldrich | £ 1,164,389,082 | |
| 17768 | Sign | £ 51,894,494 | |
| 17769 | Signals | £ 240,490,255 | |
| 17770 | Silat | £ 134,809,599 | |
| 17771 | Silence | £ 8,757,419 | |
| 17772 | silent assassin | £ 1,250,769 | |
| 17773 | Silent Contractors | £ 50,000 | |
| 17774 | Silent Inc. | £ 286,365,315 | |
| 17775 | Silent Stalker | £ 1,059,795 | |
| 17776 | Silent Witness | £ 607,815,177 | |
| 17777 | Silent_Whisper | £ 189,456,569 | |
| 17778 | Silica | £ 5,383,475 | |
| 17779 | Silica Gel | £ 416,330,491 | |
| 17780 | Silicon Valley | £ 407,933,099 | |
| 17781 | Silk Boxers | £ 79,929,679 | |
| 17782 | Silly Walks | £ 8,973,455 | |
| 17783 | SillyPutty | £ 39,214,929 | |
| 17784 | Siloporten | £ 6,969,503 | |
| 17785 | silva | £ 36,054,742 | |
| 17786 | Silver | £ 1,180,244,063 | |
| 17787 | Silver Aftershock | £ 56,640,118 | |
| 17788 | Silver Haze | £ 320,165,501 | |
| 17789 | Silver Inc | £ 10,197,661 | |
| 17790 | Silver Plated Netrobucks | £ 169,274,529 | |
| 17791 | Silver Shamrock Inc | £ 2,317,866 | |
| 17792 | Silver Spoon Cafe | £ 25,857,125 | |
| 17793 | Silver Surfer | £ 677,669,296 | |
| 17794 | Silver Wings | £ 1,381,690,294 | |
| 17795 | Silverdale St | £ 30,471,547 | |
| 17796 | Silvermoon Enterprises | £ -214,855 | |
| 17797 | Silvertide Enterprises | £ -1,627,976 | |
| 17798 | silvra | £ 54,285,205 | |
| 17799 | Sim City3 | £ 2,672,113 | |
| 17800 | Simcoe County | £ 5,557,781 | |
