The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 19601 | Silica Gel | £ 416,330,491 | |
| 19602 | Silk Boxers | £ 79,929,679 | |
| 19603 | Silly Sausage | £ 653,964,228 | |
| 19604 | Silly Sock Emporium | £ 39,622,805 | |
| 19605 | Silly Walks | £ 8,973,455 | |
| 19606 | Silmarils Inc | £ 5,502,423 | |
| 19607 | Siloporten | £ 6,969,503 | |
| 19608 | silva | £ 36,054,742 | |
| 19609 | Silver | £ 1,180,220,963 | |
| 19610 | Silver Aftershock | £ 56,640,118 | |
| 19611 | Silver Haze | £ 320,165,501 | |
| 19612 | Silver Inc | £ 10,197,661 | |
| 19613 | Silver Lantern | £ 50,000 | |
| 19614 | Silver Plated Netrobucks | £ 169,274,529 | |
| 19615 | Silver Pot | £ 24,651,063 | |
| 19616 | Silver Shamrock Inc | £ 2,317,866 | |
| 19617 | Silver Spoon Cafe | £ 909,491,994 | |
| 19618 | Silver Surfer | £ 761,230,405 | |
| 19619 | Silver Wings | £ 1,381,690,294 | |
| 19620 | Silvermoon Enterprises | £ -214,855 | |
| 19621 | Silvertide Enterprises | £ -1,627,976 | |
| 19622 | silvra | £ 54,285,205 | |
| 19623 | Sim City3 | £ 2,672,113 | |
| 19624 | SimCity | £ 145,705,031 | |
| 19625 | Simcoe County | £ 5,557,781 | |
| 19626 | SimEarth | £ 30,388,235 | |
| 19627 | Simon Cowells posterior | £ 240,514,908 | |
| 19628 | Simon Fraser University | £ 119,553,446 | |
| 19629 | Simon The Sprout | £ 392,953,118 | |
| 19630 | Simple | £ 199,139,466 | |
| 19631 | Simple Inc. | £ 161,992,874 | |
| 19632 | Simple Things | £ 55,697,089 | |
| 19633 | simple things in life | £ -150,921 | |
| 19634 | simpleton | £ 5,359,852 | |
| 19635 | Simpleton Co. | £ 154,696,172 | |
| 19636 | Simplicity | £ 73,991,816 | |
| 19637 | Simply Caesar | £ 95,974,460 | |
| 19638 | simply does it | £ 16,297,060 | |
| 19639 | simply nuts | £ 3,357,807 | |
| 19640 | Simply Sane Products | £ 46,396,437 | |
| 19641 | Simply Subsidiary | £ 23,554,862 | |
| 19642 | simplysouthern | £ 404,043 | |
| 19643 | Sims Company | £ 69,553,563 | |
| 19644 | Simulation | £ 4,647,866 | |
| 19645 | Sin | £ 882,690,513 | |
| 19646 | Sin City | £ 92,965,888 | |
| 19647 | Sin Co | £ 617 | |
| 19648 | Sin Industries | £ 1,511,830 | |
| 19649 | Sin Sentido | £ 253,153,436 | |
| 19650 | Sinaloa | £ 562,066,421 | |
| 19651 | Sinaloa Cartel | £ 102,795,331 | |
| 19652 | Sinar | £ 64,474,658 | |
| 19653 | Sinatra Select | £ 636,672,700 | |
| 19654 | Sinbad the sailor | £ 214,550,415 | |
| 19655 | Since 1796 | £ 69,471,127 | |
| 19656 | Since Day One | £ 2,475,351,645 | |
| 19657 | sincity | £ 207,710,495 | |
| 19658 | Sinclair | £ 21,093,184 | |
| 19659 | Sinclair Girnigoe | £ 1,133,668,388 | |
| 19660 | Sindar | £ 5,505,299 | |
| 19661 | Singani | £ 10,311,313,621 | |
| 19662 | Singapore | £ 453,579,334 | |
| 19663 | Singaporean Gang | £ 2,416,349,359 | |
| 19664 | Singapura | £ 51,209,029 | |
| 19665 | Singh | £ 10,715,804 | |
| 19666 | singham inc | £ 10,963,284 | |
| 19667 | SinghLTD2 | £ 10,446,400 | |
| 19668 | Single Barrel | £ 988,439,929 | |
| 19669 | Single Malt | £ 16,426,947 | |
| 19670 | Single Moms | £ 97,079,425 | |
| 19671 | Sinic Leccy Co | £ 477,855,468 | |
| 19672 | Sinister | £ 1,271,414 | |
| 19673 | Sinister Minister | £ 1,228,801,066 | |
| 19674 | Sink Ships | £ 269,509,457 | |
| 19675 | Sinkain INC | £ 1,959,845 | |
| 19676 | Sinking Ships | £ 81,355,767 | |
| 19677 | Sinners | £ 338,520,161 | |
| 19678 | Sino Group | £ 120,627,326 | |
| 19679 | sins | £ 1,105,930,002 | |
| 19680 | Sioux | £ 3,422,077 | |
| 19681 | sip | £ 4,947,048 | |
| 19682 | SIPAPIAS | £ -5,901,721 | |
| 19683 | Sipledome | £ -8,748,379 | |
| 19684 | Sipral | £ 5,507,397 | |
| 19685 | sips co | £ 5,109,034 | |
| 19686 | Sir Humphry | £ 491,344,886 | |
| 19687 | Sirfound inc | £ -9,263 | |
| 19688 | Sirfound inc2 | £ -3,544 | |
| 19689 | sirius co.uk | £ 543,956,991 | |
| 19690 | Sisko | £ 50,000 | |
| 19691 | sister | £ 562,523,191 | |
| 19692 | Sister Sage | £ -4,405,048 | |
| 19693 | Sisters | £ 47,242,309 | |
| 19694 | Sisyphean | £ 90,603,762 | |
| 19695 | Sisyphus | £ 5,393,053 | |
| 19696 | Sit back | £ 1,018,931,699 | |
| 19697 | Sithis | £ 235,713 | |
| 19698 | Situational Ethics | £ 198,870,320 | |
| 19699 | Sitwel Ent. | £ 13,506,917 | |
| 19700 | Six Feet Under Ltd | £ -1,091,275 | |
