The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 19501 | Sifosed Enterprises | £ 25,255 | |
| 19502 | Sift co | £ -137,410 | |
| 19503 | SIG Sauer | £ 51,238,462 | |
| 19504 | Sight | £ 200,734,160 | |
| 19505 | sightings | £ 41,922,596 | |
| 19506 | Sigma | £ 69,225,770 | |
| 19507 | Sigma Industries | £ 17,556 | |
| 19508 | Sigma-957 | £ 56,676,770 | |
| 19509 | Sigma-Aldrich | £ 5,008,045,282 | |
| 19510 | Sign | £ 51,894,494 | |
| 19511 | Signals | £ 453,065,797 | |
| 19512 | Silat | £ 224,852,851 | |
| 19513 | Silence | £ 22,563,076 | |
| 19514 | silent assassin | £ 1,250,769 | |
| 19515 | Silent Contractors | £ 50,000 | |
| 19516 | Silent Echo Inc. | £ 57,693,983 | |
| 19517 | Silent Inc. | £ 286,365,315 | |
| 19518 | Silent Predator | £ -3,711,093 | |
| 19519 | Silent Stalker | £ 1,059,795 | |
| 19520 | Silent Stalkers | £ 5,382,002 | |
| 19521 | Silent Synd. | £ 4,432,208 | |
| 19522 | Silent Thoughts | £ 7,276,995 | |
| 19523 | Silent_Whisper | £ 189,456,569 | |
| 19524 | Silica Gel | £ 416,330,491 | |
| 19525 | Silk Boxers | £ 79,929,679 | |
| 19526 | Silly Sausage | £ 653,433,852 | |
| 19527 | Silly Sock Emporium | £ 46,223,612 | |
| 19528 | Silly Walks | £ 8,973,455 | |
| 19529 | Silmarils Inc | £ 5,502,423 | |
| 19530 | Siloporten | £ 6,969,503 | |
| 19531 | silva | £ 36,054,742 | |
| 19532 | Silver | £ 1,180,220,963 | |
| 19533 | Silver Aftershock | £ 56,640,118 | |
| 19534 | Silver Haze | £ 320,165,501 | |
| 19535 | Silver Inc | £ 10,197,661 | |
| 19536 | Silver Lantern | £ 50,000 | |
| 19537 | Silver Plated Netrobucks | £ 169,274,529 | |
| 19538 | Silver Pot | £ 57,659,053 | |
| 19539 | Silver Shamrock Inc | £ 2,317,866 | |
| 19540 | Silver Spoon Cafe | £ 861,491,994 | |
| 19541 | Silver Surfer | £ 761,434,106 | |
| 19542 | Silver Wings | £ 1,381,690,294 | |
| 19543 | Silvermoon Enterprises | £ -214,855 | |
| 19544 | Silvertide Enterprises | £ -1,627,976 | |
| 19545 | silvra | £ 54,285,205 | |
| 19546 | Sim City3 | £ 2,672,113 | |
| 19547 | SimCity | £ 121,607,811 | |
| 19548 | Simcoe County | £ 5,557,781 | |
| 19549 | SimEarth | £ 30,758,376 | |
| 19550 | Simon Cowells posterior | £ 240,514,908 | |
| 19551 | Simon Fraser University | £ 119,553,446 | |
| 19552 | Simon The Sprout | £ 392,953,118 | |
| 19553 | Simple | £ 199,139,466 | |
| 19554 | Simple Inc. | £ 161,992,874 | |
| 19555 | Simple Things | £ 55,697,089 | |
| 19556 | simple things in life | £ -150,921 | |
| 19557 | Simpleton Co. | £ 154,696,172 | |
| 19558 | Simplicity | £ 73,991,816 | |
| 19559 | Simply Caesar | £ 95,974,460 | |
| 19560 | simply does it | £ 16,297,060 | |
| 19561 | simply nuts | £ 3,357,807 | |
| 19562 | Simply Sane Products | £ 46,396,437 | |
| 19563 | Simply Subsidiary | £ 23,554,862 | |
| 19564 | simplysouthern | £ 404,043 | |
| 19565 | Sims Company | £ 69,553,563 | |
| 19566 | Simulation | £ 4,647,866 | |
| 19567 | Sin | £ 882,690,513 | |
| 19568 | Sin City | £ 92,965,888 | |
| 19569 | Sin Co | £ 617 | |
| 19570 | Sin Industries | £ 1,511,830 | |
| 19571 | Sin Sentido | £ 253,153,436 | |
| 19572 | Sinaloa | £ 561,747,059 | |
| 19573 | Sinaloa Cartel | £ 102,795,331 | |
| 19574 | Sinar | £ 65,060,036 | |
| 19575 | Sinatra Select | £ 636,672,700 | |
| 19576 | Sinbad the sailor | £ 214,550,415 | |
| 19577 | Since 1796 | £ 69,471,127 | |
| 19578 | Since Day One | £ 2,461,624,639 | |
| 19579 | sincity | £ 207,710,495 | |
| 19580 | Sinclair | £ 32,941,259 | |
| 19581 | Sinclair Girnigoe | £ 1,133,668,388 | |
| 19582 | Sindar | £ 5,505,299 | |
| 19583 | Singani | £ 10,311,313,621 | |
| 19584 | Singapore | £ 453,579,334 | |
| 19585 | Singaporean Gang | £ 2,311,349,359 | |
| 19586 | Singapura | £ 51,209,029 | |
| 19587 | Singh | £ 10,715,804 | |
| 19588 | singham inc | £ 10,963,284 | |
| 19589 | SinghLTD2 | £ 10,446,400 | |
| 19590 | Single Barrel | £ 988,439,929 | |
| 19591 | Single Malt | £ 16,426,947 | |
| 19592 | Single Moms | £ 89,079,425 | |
| 19593 | Sinic Leccy Co | £ 477,855,468 | |
| 19594 | Sinister | £ 1,271,414 | |
| 19595 | Sinister Minister | £ 1,180,801,066 | |
| 19596 | Sink Ships | £ 269,509,457 | |
| 19597 | Sinkain INC | £ 1,959,845 | |
| 19598 | Sinking Ships | £ 81,355,767 | |
| 19599 | Sinners | £ 338,520,161 | |
| 19600 | Sino Group | £ 119,841,390 | |
