The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 15001 | Sosa Stop | £ 209,698 | |
| 15002 | SoSick | £ 20,510,887 | |
| 15003 | Soul Bowl | £ 920,004,428 | |
| 15004 | Soul Breaker | £ 28,170,704 | |
| 15005 | Soulfire | £ 5,299,604 | |
| 15006 | Souls | £ 16,809,265 | |
| 15007 | Soulzzz | £ 5,508,492 | |
| 15008 | Sound | £ 25,692,221 | |
| 15009 | Sound Cloud | £ 5,505,900 | |
| 15010 | SoundFX Ltd | £ 5,531,466 | |
| 15011 | SoundGarden | £ 92,574,010 | |
| 15012 | Soundofageneration | £ -130,846 | |
| 15013 | Sounds of Silence | £ 214,175,948 | |
| 15014 | SoUnit | £ 102,088,140 | |
| 15015 | soup | £ 208,164,849 | |
| 15016 | Sour Kush | £ 3,905,832 | |
| 15017 | Source Code | £ 4,157,566 | |
| 15018 | Sousa | £ 519,091,934 | |
| 15019 | South | £ 31,378,564 | |
| 15020 | South America | £ 173,626,731 | |
| 15021 | South America... | £ 57,303,632 | |
| 15022 | South Central | £ 105,290,443 | |
| 15023 | South Los Angeles | £ 6,261,416 | |
| 15024 | South Park | £ 334,955,512 | |
| 15025 | Southeastern Data | £ 55,845,049 | |
| 15026 | Southern Business | £ 13,300,144 | |
| 15027 | Southern Business1 | £ 12,666,204 | |
| 15028 | Southern Chapter | £ -6,128,351 | |
| 15029 | Southern Cross | £ 55,305,281 | |
| 15030 | Southern Gas | £ -300,902 | |
| 15031 | Southern Mafia | £ 344,165,513 | |
| 15032 | Southern Rhodesia | £ 5,494,142 | |
| 15033 | Southside Chicago | £ 7,936,039 | |
| 15034 | SouthWest Data | £ 585,667 | |
| 15035 | Soviet Nuclear Disasters | £ 39,711,612 | |
| 15036 | Sowing | £ 57,901,594 | |
| 15037 | sox | £ 1,420,699,800 | |
| 15038 | Soya Sauce | £ 5,497,631 | |
| 15039 | Soylent Corporation | £ -2,070,474 | |
| 15040 | Sozzled Again | £ 42,802,360 | |
| 15041 | Space | £ 96,146,809 | |
| 15042 | Space Invaders | £ 26,477,728 | |
| 15043 | Space Oddity | £ 256,111,791 | |
| 15044 | Space Race | £ 9,928,779 | |
| 15045 | spacecadet | £ 49,372,951 | |
| 15046 | spacegoats | £ 5,359,708 | |
| 15047 | Spacejunk | £ 44,494,462 | |
| 15048 | Spaces | £ 59,944,776 | |
| 15049 | Spaciba | £ 1,283,577,497 | |
| 15050 | Spade industries | £ 5,506,628 | |
| 15051 | Spades | £ 4,546,698 | |
| 15052 | Spaff | £ 77,116,392 | |
| 15053 | Spaggot Inc | £ 236,706 | |
| 15054 | spaghetti | £ 89,471,838 | |
| 15055 | Spaghettios | £ 50,000 | |
| 15056 | Spain | £ 16,220,811 | |
| 15057 | Spam Sandwiches | £ 5,507,579 | |
| 15058 | Spamla inc | £ 50,000 | |
| 15059 | Spangles | £ 49,726 | |
| 15060 | Spanish Armada II | £ 44,485,244 | |
| 15061 | Spank | £ 13,674,531 | |
| 15062 | Spanker | £ 172,941,976 | |
| 15063 | Spanners | £ 3,691,845 | |
| 15064 | Spar | £ 59,128,460 | |
| 15065 | Sparkle | £ 617,045,796 | |
| 15066 | Sparkplugs R You | £ 79,090 | |
| 15067 | Sparky | £ -236,550 | |
| 15068 | Sparrowhawk | £ 39,475,691 | |
| 15069 | Sparta Enterprises | £ 282,599,950 | |
| 15070 | Sparta Enterprises II | £ 105,756,617 | |
| 15071 | Sparta Enterprises III | £ 105,766,810 | |
| 15072 | Sparta Enterprises IV | £ 95,609,364 | |
| 15073 | Spartacus | £ 499,109,646 | |
| 15074 | Spartan | £ 76,005,663 | |
| 15075 | Spartica Shipping | £ 50,000 | |
| 15076 | Spawn | £ 142,490,029 | |
| 15077 | Speaker for the Dead | £ 50,000 | |
| 15078 | Speakers | £ 72,426,874 | |
| 15079 | Speaking | £ 588,187,136 | |
| 15080 | Special Foo Yung | £ 9,187,637 | |
| 15081 | Special Forces | £ 7,054,407 | |
| 15082 | Special FX | £ 147,867,503 | |
| 15083 | special guitars | £ 1,199,797 | |
| 15084 | Special Mix | £ 5,473,499 | |
| 15085 | special pls | £ 4,240,064 | |
| 15086 | Special Prizes | £ 581,446,644 | |
| 15087 | Special Shoes | £ 2,903,310 | |
| 15088 | Species | £ 121,573,613 | |
| 15089 | Species-8472 | £ 5,820,065 | |
| 15090 | speckled Hen | £ 250,992,623 | |
| 15091 | Spectral Enterprises | £ 24,068,850 | |
| 15092 | Spectre | £ 53,046,664 | |
| 15093 | spectre123 | £ 2,490,052 | |
| 15094 | Spectrum | £ 176,002,235 | |
| 15095 | Speech | £ 1,280,794,604 | |
| 15096 | speechless | £ 56,270,931 | |
| 15097 | Speed | £ 35,843,995 | |
| 15098 | Speed LTD | £ -348,953 | |
| 15099 | Speedbird 1 | £ 2,807,550 | |
| 15100 | speeding | £ 51,871,302 | |
