The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 18201 | Sorting out loose ends | £ 59,716,904 | |
| 18202 | Sosa Stop | £ 209,698 | |
| 18203 | SoSick | £ 20,510,887 | |
| 18204 | sosig inc | £ 50,000 | |
| 18205 | Soul Bowl | £ 920,004,428 | |
| 18206 | Soul Breaker | £ 28,170,704 | |
| 18207 | Soulfire | £ 5,299,604 | |
| 18208 | Souls | £ 16,809,265 | |
| 18209 | Soulstorm | £ 11,060,323 | |
| 18210 | Soulzzz | £ 5,508,492 | |
| 18211 | Sound | £ 25,692,221 | |
| 18212 | Sound Cloud | £ 9,802,521 | |
| 18213 | SoundFX Ltd | £ 5,531,466 | |
| 18214 | SoundGarden | £ 92,574,010 | |
| 18215 | Soundofageneration | £ -130,846 | |
| 18216 | Sounds of Silence | £ 214,175,948 | |
| 18217 | Soundwave | £ 4,169,157,694 | |
| 18218 | SoUnit | £ 102,088,140 | |
| 18219 | soup | £ 208,164,849 | |
| 18220 | SOUR CREAM | £ 18,070,447 | |
| 18221 | Sour Kush | £ 3,905,832 | |
| 18222 | Source Code | £ 157,566 | |
| 18223 | Sousa | £ 519,091,934 | |
| 18224 | South | £ 31,378,564 | |
| 18225 | South America | £ 173,626,731 | |
| 18226 | South America... | £ 57,303,632 | |
| 18227 | South Central | £ 105,290,443 | |
| 18228 | South China Sea | £ 737,092,295 | |
| 18229 | South Los Angeles | £ 6,261,416 | |
| 18230 | South Park | £ 651,955,512 | |
| 18231 | south pole ltd | £ 54,968,694 | |
| 18232 | South Side Gang | £ 613,636,205 | |
| 18233 | Southeastern Data | £ 55,845,049 | |
| 18234 | Southern Business | £ 13,300,144 | |
| 18235 | Southern Business1 | £ 12,666,204 | |
| 18236 | Southern Chapter | £ -6,128,351 | |
| 18237 | Southern Cross | £ 55,305,281 | |
| 18238 | Southern Gas | £ -300,902 | |
| 18239 | Southern Mafia | £ 344,165,513 | |
| 18240 | Southern Rhodesia | £ 5,494,142 | |
| 18241 | Southside Chicago | £ 7,936,039 | |
| 18242 | SouthWest Data | £ 585,667 | |
| 18243 | southwest voodoo | £ 41,411,743 | |
| 18244 | Soviet Nuclear Disasters | £ 7,718,772 | |
| 18245 | Sowing | £ 57,901,594 | |
| 18246 | sox | £ 1,432,534,744 | |
| 18247 | Soya Sauce | £ 5,497,631 | |
| 18248 | Soylent Corporation | £ -2,070,474 | |
| 18249 | Sozzled Again | £ 42,802,360 | |
| 18250 | Space | £ 96,146,809 | |
| 18251 | Space and time. | £ 38,366,214 | |
| 18252 | Space Cargo | £ 271,808,594 | |
| 18253 | Space Invaders | £ 136,191,974 | |
| 18254 | Space Oddity | £ 256,111,791 | |
| 18255 | Space Race | £ 9,928,779 | |
| 18256 | Space Trade Corp | £ 3,813,164 | |
| 18257 | Space X | £ 19,307,135 | |
| 18258 | spacecadet | £ 49,372,951 | |
| 18259 | spacegoats | £ 5,359,708 | |
| 18260 | Spacejunk | £ 44,494,462 | |
| 18261 | Spaces | £ 59,944,776 | |
| 18262 | SpaceX | £ 5,502,174 | |
| 18263 | Spaciba | £ 1,283,577,497 | |
| 18264 | Spade | £ 896,883,167 | |
| 18265 | Spade industries | £ 5,506,628 | |
| 18266 | Spades | £ 4,546,698 | |
| 18267 | Spaff | £ 77,116,392 | |
| 18268 | Spag Bol | £ 54,420,789 | |
| 18269 | Spaggot Inc | £ 236,706 | |
| 18270 | spaghetti | £ 89,471,838 | |
| 18271 | Spaghettios | £ 50,000 | |
| 18272 | Spain | £ 16,220,811 | |
| 18273 | Spam Sandwiches | £ 5,507,579 | |
| 18274 | Spamla inc | £ 50,000 | |
| 18275 | Spangles | £ 49,726 | |
| 18276 | Spanish Armada II | £ 145,991,039 | |
| 18277 | Spank | £ 13,674,531 | |
| 18278 | Spanker | £ 427,868,023 | |
| 18279 | Spanner Dental Co | £ 864,043 | |
| 18280 | Spanners | £ 3,691,845 | |
| 18281 | Spar | £ 59,128,460 | |
| 18282 | sparkiing water | £ 21,451,660 | |
| 18283 | Sparkle | £ 617,045,796 | |
| 18284 | sparkles unicorn | £ 87,215,107 | |
| 18285 | Sparkplugs R You | £ 79,090 | |
| 18286 | Sparky | £ -236,550 | |
| 18287 | Sparrowhawk | £ 39,475,691 | |
| 18288 | Sparta | £ 61,730,265 | |
| 18289 | Sparta Enterprises | £ 282,599,950 | |
| 18290 | Sparta Enterprises II | £ 105,756,617 | |
| 18291 | Sparta Enterprises III | £ 105,766,810 | |
| 18292 | Sparta Enterprises IV | £ 95,609,364 | |
| 18293 | Spartacus | £ 668,458,795 | |
| 18294 | Spartan | £ 76,005,663 | |
| 18295 | Spartans | £ 922,893 | |
| 18296 | Spartica Shipping | £ 50,000 | |
| 18297 | Spawn | £ 142,490,029 | |
| 18298 | Speachmark | £ 55,520,519 | |
| 18299 | Speaker for the Dead | £ 50,000 | |
| 18300 | Speakers | £ 72,426,874 | |
