The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 19501 | Simon Cowells posterior | £ 240,514,908 | |
| 19502 | Simon Fraser University | £ 119,553,446 | |
| 19503 | Simon The Sprout | £ 392,953,118 | |
| 19504 | Simple | £ 199,139,466 | |
| 19505 | Simple Inc. | £ 161,992,874 | |
| 19506 | Simple Things | £ 55,697,089 | |
| 19507 | simple things in life | £ -150,921 | |
| 19508 | Simpleton Co. | £ 154,696,172 | |
| 19509 | Simplicity | £ 73,991,816 | |
| 19510 | Simply Caesar | £ 95,974,460 | |
| 19511 | simply does it | £ 16,297,060 | |
| 19512 | simply nuts | £ 3,357,807 | |
| 19513 | Simply Sane Products | £ 46,396,437 | |
| 19514 | Simply Subsidiary | £ 23,554,862 | |
| 19515 | simplysouthern | £ 404,043 | |
| 19516 | Sims Company | £ 69,553,563 | |
| 19517 | Simulation | £ 4,647,866 | |
| 19518 | Sin | £ 882,690,513 | |
| 19519 | Sin City | £ 92,965,888 | |
| 19520 | Sin Co | £ 617 | |
| 19521 | Sin Industries | £ 1,511,830 | |
| 19522 | Sin Sentido | £ 253,153,436 | |
| 19523 | Sinaloa | £ 543,107,007 | |
| 19524 | Sinaloa Cartel | £ 102,795,331 | |
| 19525 | Sinar | £ 120,893,263 | |
| 19526 | Sinatra Select | £ 636,672,700 | |
| 19527 | Sinbad the sailor | £ 214,550,415 | |
| 19528 | Since 1796 | £ 69,471,127 | |
| 19529 | Since Day One | £ 2,313,293,302 | |
| 19530 | sincity | £ 207,710,495 | |
| 19531 | Sinclair Girnigoe | £ 1,133,668,388 | |
| 19532 | Sindar | £ 5,505,299 | |
| 19533 | SINDATERA | £ 4,301,225 | |
| 19534 | Singani | £ 10,311,313,621 | |
| 19535 | Singapore | £ 453,579,334 | |
| 19536 | Singaporean Gang | £ 1,216,049,023 | |
| 19537 | Singapura | £ 51,209,029 | |
| 19538 | Singh | £ 10,715,804 | |
| 19539 | singham inc | £ 10,963,284 | |
| 19540 | SinghLTD2 | £ 10,446,400 | |
| 19541 | Single Barrel | £ 988,439,929 | |
| 19542 | Single Malt | £ 16,426,947 | |
| 19543 | Single Moms | £ 54,179,425 | |
| 19544 | Sinic Leccy Co | £ 477,855,468 | |
| 19545 | Sinister | £ 1,271,414 | |
| 19546 | Sinister Minister | £ 1,141,629,222 | |
| 19547 | Sink Ships | £ 269,509,457 | |
| 19548 | Sinkain INC | £ 1,959,845 | |
| 19549 | Sinking Ships | £ 81,355,767 | |
| 19550 | Sinners | £ 338,520,161 | |
| 19551 | Sino Group | £ 73,476,376 | |
| 19552 | sins | £ 1,105,930,002 | |
| 19553 | Sioux | £ 533,875 | |
| 19554 | sip | £ 4,947,048 | |
| 19555 | SIPAPIAS | £ -5,901,721 | |
| 19556 | Sipledome | £ -8,748,379 | |
| 19557 | Sipral | £ 5,507,397 | |
| 19558 | sips co | £ 5,109,034 | |
| 19559 | Sir Humphry | £ 491,344,886 | |
| 19560 | Siren | £ 17,058,704 | |
| 19561 | Sirfound inc | £ -9,263 | |
| 19562 | Sirfound inc2 | £ -3,544 | |
| 19563 | sirius co.uk | £ 507,524,587 | |
| 19564 | Sisko | £ 50,000 | |
| 19565 | sister | £ 562,523,191 | |
| 19566 | Sister Sage | £ -4,405,048 | |
| 19567 | Sisters | £ 47,242,309 | |
| 19568 | Sisyphean | £ 48,163,924 | |
| 19569 | Sisyphus | £ 5,393,053 | |
| 19570 | Sit back | £ 666,788,135 | |
| 19571 | Sithis | £ 235,713 | |
| 19572 | Situational Ethics | £ 47,853,160 | |
| 19573 | Sitwel Ent. | £ 13,506,917 | |
| 19574 | Six Feet Under Ltd | £ -1,091,275 | |
| 19575 | Six More | £ 248,598,527 | |
| 19576 | Six Sigma | £ 997,038,187 | |
| 19577 | Sixpence None The Richer | £ 590,722,080 | |
| 19578 | Sixteen Tons | £ 16,844,742 | |
| 19579 | Sixteen Vestal Virgins | £ 121,263,981 | |
| 19580 | sixteenth sixes | £ 104,316,180 | |
| 19581 | sixth army | £ 114,993,130 | |
| 19582 | Sixty Nine | £ 341,328,441 | |
| 19583 | Size | £ 1,820,983 | |
| 19584 | size 13s | £ 381,955,715 | |
| 19585 | SJA | £ 40,568,528 | |
| 19586 | SK1 | £ 87,390,278 | |
| 19587 | SK1 Elite | £ 120,651,100 | |
| 19588 | SK1N | £ -5,430 | |
| 19589 | SK2 | £ 86,097,057 | |
| 19590 | SK3 | £ 69,708,527 | |
| 19591 | Skadegamutc | £ 102,163,417 | |
| 19592 | SkaDouche | £ 5,505,074 | |
| 19593 | Skank | £ 23,429,613 | |
| 19594 | skanky co | £ 50,000 | |
| 19595 | Skarface Inc. | £ 4,262,037 | |
| 19596 | Skarphace Inc. | £ -2,447,925 | |
| 19597 | SKC | £ 268,804,831 | |
| 19598 | Skean Dhu | £ 989,098,234 | |
| 19599 | Skeeno Enterprise | £ 2,939,095 | |
| 19600 | Skeeter13 | £ 145,215,516 | |
