The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18101 | Silmarils Inc | £ 5,502,423 | |
| 18102 | Siloporten | £ 6,969,503 | |
| 18103 | silva | £ 36,054,742 | |
| 18104 | Silver | £ 1,180,244,063 | |
| 18105 | Silver Aftershock | £ 56,640,118 | |
| 18106 | Silver Haze | £ 320,165,501 | |
| 18107 | Silver Inc | £ 10,197,661 | |
| 18108 | Silver Moon | £ 9,147,800 | |
| 18109 | Silver Plated Netrobucks | £ 169,274,529 | |
| 18110 | Silver Shamrock Inc | £ 2,317,866 | |
| 18111 | Silver Spoon Cafe | £ 49,857,125 | |
| 18112 | Silver Surfer | £ 736,343,153 | |
| 18113 | Silver Wings | £ 1,381,690,294 | |
| 18114 | Silverdale St | £ 30,471,547 | |
| 18115 | Silvermoon Enterprises | £ -214,855 | |
| 18116 | Silvertide Enterprises | £ -1,627,976 | |
| 18117 | silvra | £ 54,285,205 | |
| 18118 | Sim City3 | £ 2,672,113 | |
| 18119 | Simcoe County | £ 5,557,781 | |
| 18120 | Simon Cowells posterior | £ 240,514,908 | |
| 18121 | Simon Fraser University | £ 119,553,446 | |
| 18122 | Simon The Sprout | £ 319,272,692 | |
| 18123 | Simple | £ 199,139,466 | |
| 18124 | Simple Inc. | £ 161,992,874 | |
| 18125 | Simple Jack | £ 9,774,760 | |
| 18126 | Simple Things | £ 55,697,089 | |
| 18127 | simple things in life | £ -150,921 | |
| 18128 | SimpleS | £ 45,372,564 | |
| 18129 | Simpleton Co. | £ 154,696,172 | |
| 18130 | Simplicity | £ 73,991,816 | |
| 18131 | simply does it | £ 16,297,060 | |
| 18132 | simply nuts | £ 3,357,807 | |
| 18133 | Simply Sane Products | £ 46,396,437 | |
| 18134 | simplysouthern | £ 404,043 | |
| 18135 | Simulation | £ 4,647,866 | |
| 18136 | Sin | £ 882,690,513 | |
| 18137 | Sin City | £ 92,965,888 | |
| 18138 | Sin Co | £ 617 | |
| 18139 | Sin Industries | £ 1,511,830 | |
| 18140 | Sin Sentido | £ 253,153,436 | |
| 18141 | Sinaloa | £ 317,063,014 | |
| 18142 | Sinatra Select | £ 636,672,700 | |
| 18143 | Sinbad the sailor | £ 214,550,415 | |
| 18144 | Since Day 1 | £ 61,665,725 | |
| 18145 | Since Day Five | £ 1,463,915,167 | |
| 18146 | Since Day four | £ 1,508,219,622 | |
| 18147 | Since Day One | £ 1,027,833,623 | |
| 18148 | Since Day Three | £ 15,438,655 | |
| 18149 | Since Day two | £ 132,114,950 | |
| 18150 | sincity | £ 207,710,495 | |
| 18151 | Sinclair Girnigoe | £ 1,133,668,388 | |
| 18152 | Sindar | £ 5,505,299 | |
| 18153 | Singani | £ 10,311,313,621 | |
| 18154 | Singapore | £ 453,579,334 | |
| 18155 | Singh | £ 3,800,012 | |
| 18156 | singham inc | £ 10,963,284 | |
| 18157 | SinghLTD2 | £ 10,446,400 | |
| 18158 | Single Barrel | £ 988,439,929 | |
| 18159 | Single Malt | £ 16,426,947 | |
| 18160 | Single Moms | £ 46,734,085 | |
| 18161 | Sinic Leccy Co | £ 477,855,468 | |
| 18162 | Sinister | £ 1,271,414 | |
| 18163 | Sinister Minister | £ 956,642,577 | |
| 18164 | Sink | £ 2,232,154 | |
| 18165 | Sink Ships | £ 269,509,457 | |
| 18166 | Sinkain INC | £ 1,959,845 | |
| 18167 | Sinking Ships | £ 81,355,767 | |
| 18168 | Sinners | £ 338,520,161 | |
| 18169 | Sino Group | £ 61,509,472 | |
| 18170 | sins | £ 1,105,930,002 | |
| 18171 | sinsinattee | £ 77,807 | |
| 18172 | Sion | £ 45,276,606 | |
| 18173 | sip | £ 4,947,048 | |
| 18174 | SIPAPIAS | £ -5,901,721 | |
| 18175 | Sipledome | £ -8,748,379 | |
| 18176 | Sipral | £ 5,507,397 | |
| 18177 | sips co | £ 5,109,034 | |
| 18178 | Sir Humphry | £ 473,131,546 | |
| 18179 | Siren | £ 17,058,704 | |
| 18180 | Sirfound inc | £ -9,263 | |
| 18181 | Sirfound inc2 | £ -3,544 | |
| 18182 | sirius co.uk | £ 16,443,616 | |
| 18183 | sister | £ 562,523,191 | |
| 18184 | Sisters | £ 47,242,309 | |
| 18185 | Sisyphean | £ 48,163,924 | |
| 18186 | Sisyphus | £ 5,393,053 | |
| 18187 | Sithis | £ 235,713 | |
| 18188 | Situational Ethics | £ 5,515,682 | |
| 18189 | Sitwel Ent. | £ 13,506,917 | |
| 18190 | Six Feet Under Ltd | £ -1,091,275 | |
| 18191 | Six More | £ 248,598,527 | |
| 18192 | Six Sigma | £ 782,483,283 | |
| 18193 | Sixes | £ 116,651,618 | |
| 18194 | Sixpence None The Richer | £ 590,722,080 | |
| 18195 | Sixteen Tons | £ 16,844,742 | |
| 18196 | Sixteen Vestal Virgins | £ 121,263,981 | |
| 18197 | sixteenth sixes | £ 59,322,693 | |
| 18198 | Sixty Nine | £ 327,782,745 | |
| 18199 | Size | £ 1,820,983 | |
| 18200 | size 13s | £ 381,955,715 | |
