The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18001 | Ship | £ 133,268,617 | |
| 18002 | Shipping Inc. | £ 15,891,705 | |
| 18003 | Shirai Ryu | £ 1,477,060,189 | |
| 18004 | Shire | £ 5,092,672 | |
| 18005 | shire horses | £ 2,143,331,998 | |
| 18006 | Shirking | £ 157,061,707 | |
| 18007 | Shiva | £ 20,718,528 | |
| 18008 | Shiverra | £ 5,391,429 | |
| 18009 | Shivers | £ 6,438,944 | |
| 18010 | shivins | £ 2,167,569 | |
| 18011 | shiz inc | £ 50,000 | |
| 18012 | Shizekoin | £ 3,372,908 | |
| 18013 | Shmelem | £ 11,096,479 | |
| 18014 | ShmoneyLand | £ 2,172,550 | |
| 18015 | shnitzengiggle | £ 2,083,503 | |
| 18016 | Shock | £ 437,674,916 | |
| 18017 | Shock And Awe | £ 6,378,186 | |
| 18018 | ShockA LockA | £ 93,031,718 | |
| 18019 | Shockwave | £ 4,935,796,444 | |
| 18020 | Shoe | £ 42,599,501 | |
| 18021 | Shoe polish | £ 49,265,372 | |
| 18022 | Shoeless | £ 60,231,947 | |
| 18023 | shoezone | £ 37,930 | |
| 18024 | Shoot inc | £ 2,798,108 | |
| 18025 | Shooterz R Us | £ 703,893 | |
| 18026 | Shootings | £ 57,200,781 | |
| 18027 | shootingStar | £ 209,299,073 | |
| 18028 | Shopkeepers | £ 40,611,492 | |
| 18029 | Shoplifting | £ 166,647,094 | |
| 18030 | shopsandall | £ 83,390 | |
| 18031 | Shore | £ 424,904 | |
| 18032 | shore cash | £ 45,162,059 | |
| 18033 | Shores | £ 775,913,036 | |
| 18034 | Short | £ 688,235,452 | |
| 18035 | Short Circuit | £ 50,113,997 | |
| 18036 | Short Hand Inc. | £ 280,435,844 | |
| 18037 | Short Ladder Attack | £ 32,999,174 | |
| 18038 | Short Squeeze | £ 184,035,899 | |
| 18039 | Shortcuts | £ 45,802,762 | |
| 18040 | Shot into space | £ 10,974,522 | |
| 18041 | Shota Wamberto | £ 1,460,075 | |
| 18042 | SHOTGUN | £ 76,231,042 | |
| 18043 | Shotgun inc | £ 1,790,888 | |
| 18044 | shots and barrels | £ 3,678,860 | |
| 18045 | Should I | £ 58,117,916 | |
| 18046 | Should We Shoot Them | £ 55,141,268 | |
| 18047 | Shove You | £ 640,839,596 | |
| 18048 | Show Me | £ 3,585,067 | |
| 18049 | Show Me The Money | £ 42,529,963 | |
| 18050 | Showers | £ 661,319,910 | |
| 18051 | Showtime | £ 58,919,357 | |
| 18052 | Shrek2 | £ 9,501,090 | |
| 18053 | ShrinkingViolet | £ 50,000 | |
| 18054 | Shrooms inc | £ 74,260,374 | |
| 18055 | Shropshire Enterprise | £ 2,211,592 | |
| 18056 | SHU | £ 584,231,729 | |
| 18057 | Shuffle Nights | £ 5,503,006 | |
| 18058 | shut up | £ 103,351,395 | |
| 18059 | Shut Up Karen | £ 11,783,319 | |
| 18060 | Shut Up Meg | £ 23,511,988 | |
| 18061 | Shutting up shop | £ 44,690,066 | |
| 18062 | Siamese Gnats | £ 1,460,583,978 | |
| 18063 | Sibelius | £ 12,604,815 | |
| 18064 | Siberian Forest Cat | £ 886,776,052 | |
| 18065 | SIBF | £ 14,061,479,165 | |
| 18066 | Sic | £ 87,406,897 | |
| 18067 | Sicario | £ 387,910 | |
| 18068 | Sicilian Holding Corp. | £ 24,703,410 | |
| 18069 | Sicily | £ 38,366,402 | |
| 18070 | Sick | £ 44,661,349 | |
| 18071 | Sick on a Widow | £ 145,081,811 | |
| 18072 | Sickness | £ -10,078,045 | |
| 18073 | Sickoz Company | £ 210,597,191 | |
| 18074 | sid | £ 16,772,505 | |
| 18075 | Sid The Sexist | £ 11,083,450 | |
| 18076 | Sidders85 inc | £ 50,000 | |
| 18077 | Side Pony | £ 191,337,989 | |
| 18078 | SideLineD | £ 3,552,075 | |
| 18079 | Sidewinder | £ 227,297,344 | |
| 18080 | Sidewinder Missle | £ 57,304,559 | |
| 18081 | Sidney inc | £ 50,000 | |
| 18082 | Sids Emporium | £ 15,032,548 | |
| 18083 | Sieber | £ 50,000 | |
| 18084 | Sifosed Enterprises | £ 25,255 | |
| 18085 | Sift co | £ -137,410 | |
| 18086 | Sighs | £ 9,874,626 | |
| 18087 | Sight | £ 200,734,160 | |
| 18088 | Sigma Industries | £ 17,556 | |
| 18089 | Sigma-957 | £ 56,676,770 | |
| 18090 | Sigma-Aldrich | £ 1,896,331,482 | |
| 18091 | Sign | £ 51,894,494 | |
| 18092 | Signals | £ 255,520,716 | |
| 18093 | Silat | £ 207,354,899 | |
| 18094 | Silence | £ 54,655,274 | |
| 18095 | silent assassin | £ 1,250,769 | |
| 18096 | Silent Contractors | £ 50,000 | |
| 18097 | Silent Inc. | £ 286,365,315 | |
| 18098 | Silent Stalker | £ 1,059,795 | |
| 18099 | Silent Witness | £ 75,815,177 | |
| 18100 | Silent_Whisper | £ 189,456,569 | |
