The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 19401 | Shopping Maps News | £ 50,000 | |
| 19402 | shopsandall | £ 83,390 | |
| 19403 | Shores | £ 823,520,281 | |
| 19404 | Short | £ 688,235,452 | |
| 19405 | Short Circuit | £ 50,113,997 | |
| 19406 | Short Hand Inc. | £ 280,435,844 | |
| 19407 | Short Ladder Attack | £ 32,999,174 | |
| 19408 | Short Squeeze | £ 184,035,899 | |
| 19409 | Shot into space | £ 21,887,068 | |
| 19410 | SHOTGUN | £ 76,231,042 | |
| 19411 | Shotgun inc | £ 1,790,888 | |
| 19412 | shots and barrels | £ 3,678,860 | |
| 19413 | Should I | £ 58,117,916 | |
| 19414 | Should We Shoot Them | £ 55,141,268 | |
| 19415 | Shove You | £ 640,839,596 | |
| 19416 | Show Me The Money | £ 100,404,776 | |
| 19417 | Showers | £ 661,319,910 | |
| 19418 | Showtime | £ 69,766,435 | |
| 19419 | Shredded Wheat | £ 62,615,657 | |
| 19420 | ShrinkingViolet | £ 50,000 | |
| 19421 | Shrooms inc | £ 74,260,374 | |
| 19422 | Shropshire Enterprise | £ 2,211,592 | |
| 19423 | SHU | £ 584,231,729 | |
| 19424 | Shuffle Nights | £ 5,503,006 | |
| 19425 | shut up | £ 103,351,395 | |
| 19426 | Shut Up Meg | £ 23,511,988 | |
| 19427 | Shutter nan | £ 67,887,858 | |
| 19428 | Siamese Gnats | £ 1,460,583,978 | |
| 19429 | Siberian Forest Cat | £ 1,094,702,879 | |
| 19430 | SIBF | £ 15,577,758,310 | |
| 19431 | Sic | £ 87,406,897 | |
| 19432 | Sicilian Holding Corp. | £ 24,703,410 | |
| 19433 | Sicily | £ 38,366,402 | |
| 19434 | Sick on a Widow | £ 145,081,811 | |
| 19435 | Sickness | £ -10,078,045 | |
| 19436 | Sickoz Company | £ 295,677,061 | |
| 19437 | sid barrat | £ 847,983,690 | |
| 19438 | Sid The Sexist | £ 11,083,450 | |
| 19439 | Sidders85 inc | £ 50,000 | |
| 19440 | Side Hustle | £ 97,734,189 | |
| 19441 | side of the tracks | £ 50,000 | |
| 19442 | Side Pony | £ 191,337,989 | |
| 19443 | SideLineD | £ 3,552,075 | |
| 19444 | Sidewinder | £ 227,297,344 | |
| 19445 | Sidewinder Missle | £ 628,747,353 | |
| 19446 | Sidney inc | £ 50,000 | |
| 19447 | Sids Emporium | £ 15,032,548 | |
| 19448 | Sieber | £ 50,000 | |
| 19449 | Sierra Leone | £ 440,822,248 | |
| 19450 | Sifosed Enterprises | £ 25,255 | |
| 19451 | Sift co | £ -137,410 | |
| 19452 | SIG Sauer | £ 51,238,462 | |
| 19453 | Sight | £ 200,734,160 | |
| 19454 | sightings | £ 41,922,596 | |
| 19455 | Sigma | £ 69,225,770 | |
| 19456 | Sigma Industries | £ 17,556 | |
| 19457 | Sigma-957 | £ 56,676,770 | |
| 19458 | Sigma-Aldrich | £ 4,786,066,882 | |
| 19459 | Sign | £ 51,894,494 | |
| 19460 | Signals | £ 437,463,196 | |
| 19461 | Silat | £ 224,852,851 | |
| 19462 | Silence | £ 22,563,076 | |
| 19463 | silent assassin | £ 1,250,769 | |
| 19464 | Silent Contractors | £ 50,000 | |
| 19465 | Silent Echo Inc. | £ 57,693,983 | |
| 19466 | Silent Inc. | £ 286,365,315 | |
| 19467 | Silent Predator | £ -3,711,093 | |
| 19468 | Silent Stalker | £ 1,059,795 | |
| 19469 | Silent Stalkers | £ 5,382,002 | |
| 19470 | Silent Synd. | £ 4,432,208 | |
| 19471 | Silent Thoughts | £ 7,276,995 | |
| 19472 | Silent_Whisper | £ 189,456,569 | |
| 19473 | Silica Gel | £ 416,330,491 | |
| 19474 | Silk Boxers | £ 79,929,679 | |
| 19475 | Silly Sausage | £ 603,852,140 | |
| 19476 | Silly Sock Emporium | £ 29,436,069 | |
| 19477 | Silly Walks | £ 8,973,455 | |
| 19478 | SillyPutty | £ 39,214,929 | |
| 19479 | Silmarils Inc | £ 5,502,423 | |
| 19480 | Siloporten | £ 6,969,503 | |
| 19481 | silva | £ 36,054,742 | |
| 19482 | Silver | £ 1,180,220,963 | |
| 19483 | Silver Aftershock | £ 56,640,118 | |
| 19484 | Silver Haze | £ 320,165,501 | |
| 19485 | Silver Inc | £ 10,197,661 | |
| 19486 | Silver Lantern | £ 50,000 | |
| 19487 | Silver Plated Netrobucks | £ 169,274,529 | |
| 19488 | Silver Pot | £ 51,291,278 | |
| 19489 | Silver Shamrock Inc | £ 2,317,866 | |
| 19490 | Silver Spoon Cafe | £ 679,991,994 | |
| 19491 | Silver Surfer | £ 762,205,523 | |
| 19492 | Silver Wings | £ 1,381,690,294 | |
| 19493 | Silverdale St | £ 30,471,547 | |
| 19494 | Silvermoon Enterprises | £ -214,855 | |
| 19495 | Silvertide Enterprises | £ -1,627,976 | |
| 19496 | silvra | £ 54,285,205 | |
| 19497 | Sim City3 | £ 2,672,113 | |
| 19498 | SimCity | £ 46,642,615 | |
| 19499 | Simcoe County | £ 5,557,781 | |
| 19500 | SimEarth | £ 29,526,237 | |
