The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 16301 | Shootings | £ 57,200,781 | |
| 16302 | shootingStar | £ 209,299,073 | |
| 16303 | Shopkeepers | £ 40,611,492 | |
| 16304 | Shoplifting | £ 48,458,635 | |
| 16305 | shopsandall | £ 83,390 | |
| 16306 | Shore | £ 424,904 | |
| 16307 | shore cash | £ 45,162,059 | |
| 16308 | Shores | £ 523,756,587 | |
| 16309 | Short | £ 688,235,452 | |
| 16310 | Short Circuit | £ 50,113,997 | |
| 16311 | Short Hand Inc. | £ 280,435,844 | |
| 16312 | Short Ladder Attack | £ 13,863,472 | |
| 16313 | Short Squeeze | £ 2,467,968 | |
| 16314 | Shortcuts | £ 45,802,762 | |
| 16315 | Shota Wamberto | £ 1,460,075 | |
| 16316 | SHOTGUN | £ 76,231,042 | |
| 16317 | Shotgun inc | £ 1,790,888 | |
| 16318 | shots and barrels | £ 3,678,860 | |
| 16319 | Should I | £ 58,117,916 | |
| 16320 | Should We Shoot Them | £ 55,141,268 | |
| 16321 | Shove You | £ 640,839,596 | |
| 16322 | Show Me | £ 3,585,067 | |
| 16323 | Showers | £ 661,319,910 | |
| 16324 | shredding | £ 26,868,312 | |
| 16325 | Shrek2 | £ 9,501,090 | |
| 16326 | ShrinkingViolet | £ 50,000 | |
| 16327 | Shrooms inc | £ 74,260,374 | |
| 16328 | Shropshire Enterprise | £ 2,211,592 | |
| 16329 | SHU | £ 584,231,729 | |
| 16330 | Shuffle Nights | £ 5,503,006 | |
| 16331 | Shundery thowers | £ 10,353,951 | |
| 16332 | shut up | £ 103,351,395 | |
| 16333 | Shut Up Meg | £ 23,511,988 | |
| 16334 | Shutting up shop | £ 44,690,066 | |
| 16335 | Siamese Gnats | £ 1,460,583,978 | |
| 16336 | Siberian Forest Cat | £ 173,029,160 | |
| 16337 | SIBF | £ 10,957,015,357 | |
| 16338 | Sic | £ 87,406,897 | |
| 16339 | Sicario | £ 56,880,872 | |
| 16340 | Sicilian Holding Corp. | £ 24,703,410 | |
| 16341 | Sicily | £ 38,366,402 | |
| 16342 | Sick | £ 44,661,349 | |
| 16343 | Sick on a Widow | £ 145,081,811 | |
| 16344 | Sickness | £ -10,078,045 | |
| 16345 | Sickoz Company | £ 776,372,485 | |
| 16346 | sid | £ 16,772,505 | |
| 16347 | Sid The Sexist | £ 11,083,450 | |
| 16348 | Sidders85 inc | £ 50,000 | |
| 16349 | Side Pony | £ 191,337,989 | |
| 16350 | SideLineD | £ 3,552,075 | |
| 16351 | Sidewinder | £ 207,797,344 | |
| 16352 | Sidney inc | £ 50,000 | |
| 16353 | Sids Emporium | £ 15,032,548 | |
| 16354 | Sieber | £ 50,000 | |
| 16355 | Sifosed Enterprises | £ 25,255 | |
| 16356 | Sift co | £ -137,410 | |
| 16357 | Sighs | £ 9,874,626 | |
| 16358 | Sight | £ 200,734,160 | |
| 16359 | Sigma Industries | £ 17,556 | |
| 16360 | Sigma-957 | £ 56,676,770 | |
| 16361 | Sigma-Aldrich | £ 41,075,672 | |
| 16362 | Sign | £ 51,894,494 | |
| 16363 | Signals | £ 44,366,701 | |
| 16364 | Silat | £ 126,598,241 | |
| 16365 | Silence | £ 80,546,554 | |
| 16366 | silent assassin | £ 1,250,769 | |
| 16367 | Silent Inc. | £ 286,365,315 | |
| 16368 | Silent Stalker | £ 1,059,795 | |
| 16369 | Silent Witness | £ 241,950,602 | |
| 16370 | Silent_Whisper | £ 189,456,569 | |
| 16371 | Silica Gel | £ 416,330,491 | |
| 16372 | Silicon Valley | £ 64,785,781 | |
| 16373 | Silk Boxers | £ 79,929,679 | |
| 16374 | Silly Walks | £ 8,973,455 | |
| 16375 | SillyPutty | £ 39,214,929 | |
| 16376 | Siloporten | £ 6,969,503 | |
| 16377 | silva | £ 36,054,742 | |
| 16378 | Silver | £ 1,180,244,063 | |
| 16379 | Silver Aftershock | £ 56,640,118 | |
| 16380 | Silver Haze | £ 286,306,148 | |
| 16381 | Silver Inc | £ 10,197,661 | |
| 16382 | Silver Plated Netrobucks | £ 168,199,969 | |
| 16383 | Silver Shamrock Inc | £ 2,317,866 | |
| 16384 | Silver Surfer | £ 592,115,030 | |
| 16385 | Silver Wings | £ 1,381,690,294 | |
| 16386 | Silverdale St | £ 30,471,547 | |
| 16387 | Silvermoon Enterprises | £ -214,855 | |
| 16388 | Silvertide Enterprises | £ -1,627,976 | |
| 16389 | silvra | £ 54,285,205 | |
| 16390 | Sim City3 | £ 2,672,113 | |
| 16391 | Simon Cowells posterior | £ 240,514,908 | |
| 16392 | Simon Fraser University | £ 119,553,446 | |
| 16393 | Simon The Sprout | £ 168,714,752 | |
| 16394 | Simple | £ 199,139,466 | |
| 16395 | Simple Inc. | £ 161,992,874 | |
| 16396 | Simple Things | £ 55,697,089 | |
| 16397 | simple things in life | £ -150,921 | |
| 16398 | SimpleS | £ 45,372,564 | |
| 16399 | Simpleton Co. | £ 154,696,172 | |
| 16400 | Simplicity | £ 73,991,816 | |
