The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 17001 | Thorns In your Shoes | £ 50,063,526 | |
| 17002 | Thornton Inc | £ 312,791 | |
| 17003 | Thorpe Park | £ 3,102,925 | |
| 17004 | Those Butterflies | £ 976,576 | |
| 17005 | those companies | £ 214,336,779 | |
| 17006 | Those Darn Cats | £ 108,108,028 | |
| 17007 | Those Days | £ 73,703,927 | |
| 17008 | Those Flying Pigs | £ 856,584,583 | |
| 17009 | Those In Need | £ 558,305,668 | |
| 17010 | Those Kiosks | £ 233,024 | |
| 17011 | Those People | £ 68,919,063 | |
| 17012 | Those People You Dislike | £ 54,508,542 | |
| 17013 | Those Pithy CompanyNames | £ 26,047,445 | |
| 17014 | Those Things | £ 78,254,418 | |
| 17015 | Thoth | £ 99,775,263 | |
| 17016 | Thots | £ 163,561,658 | |
| 17017 | Thought | £ 2,465,402,311 | |
| 17018 | Thought Nova Ltd | £ 50,000 | |
| 17019 | Thoughts | £ 50,000 | |
| 17020 | Thousands | £ 11,621,797 | |
| 17021 | THPP | £ 49,413,140 | |
| 17022 | Thr0nes | £ 7,151,852 | |
| 17023 | Thrace | £ 43,965,458 | |
| 17024 | Three | £ 303,573,617 | |
| 17025 | Three Blind Mice | £ 1,511,809 | |
| 17026 | three company | £ 50,000 | |
| 17027 | Three Governments | £ 14,151,243 | |
| 17028 | Three Letters | £ 452,132,559 | |
| 17029 | three star | £ 94,849,766 | |
| 17030 | Three United | £ 4,550,567 | |
| 17031 | threeeeeee | £ 50,584,242 | |
| 17032 | Thriller | £ 563,622,174 | |
| 17033 | Thrillers | £ 9,137,333 | |
| 17034 | Thrills | £ 305,265,309 | |
| 17035 | Throat | £ 413,819,852 | |
| 17036 | thrones | £ 97,127,004 | |
| 17037 | Through | £ 58,634,903 | |
| 17038 | Throw | £ 3,396,135 | |
| 17039 | Throw Away Comps 1 | £ 203,815,625 | |
| 17040 | Throw Away Comps 2 | £ 206,634,905 | |
| 17041 | Thrumster | £ 183,312,655 | |
| 17042 | Thrux | £ 431,791,013 | |
| 17043 | Thruxton | £ 21,098,764 | |
| 17044 | Thuggernaut | £ 6,606,293,369 | |
| 17045 | Thugs Rule | £ 152,167 | |
| 17046 | Thumb | £ 7,710,823,672 | |
| 17047 | Thumper | £ 554,693 | |
| 17048 | Thumper Exchange | £ 42,355,148 | |
| 17049 | thunder | £ 146,482,142 | |
| 17050 | Thunder Co | £ 62,548 | |
| 17051 | Thunder Road | £ 99,385,360 | |
| 17052 | thunder13 | £ 4,571,399 | |
| 17053 | thunder35 | £ 4,109,673 | |
| 17054 | Thunderbird 1 | £ 585,236,342 | |
| 17055 | Thunderbird 2 | £ 563,934,308 | |
| 17056 | Thunderbird 3 | £ 239,885,580 | |
| 17057 | Thunderbird 4 | £ 274,684,520 | |
| 17058 | Thunderbird 5 | £ 398,795,967 | |
| 17059 | Thunderbolt | £ 6,622,467 | |
| 17060 | ThunderDome | £ 316,214,683 | |
| 17061 | ThunderKeg | £ 5,549,046 | |
| 17062 | thundershlong | £ 1,266,427 | |
| 17063 | Thunderstruck | £ 1,565,465 | |
| 17064 | Thwarted Evil | £ 13,556,255 | |
| 17065 | Thyrllan | £ 859,339 | |
| 17066 | Ti nker Toys | £ 47,840,068 | |
| 17067 | Tibbs Motors | £ 212,686,010 | |
| 17068 | Tiberian | £ 378,549,652 | |
| 17069 | Tickets | £ 50,000 | |
| 17070 | Ticking Clock | £ 219,057,993 | |
| 17071 | Tickle Enterprises | £ 22,971,170 | |
| 17072 | Tickle Your Fancy | £ 5,664,032 | |
| 17073 | TickTOck | £ 127,199,969 | |
| 17074 | Tie Figher Swarm | £ 1,221,063 | |
| 17075 | Tieback | £ 479,609,370 | |
| 17076 | Tiffany | £ 5,508,613 | |
| 17077 | tiger | £ 327,716,580 | |
| 17078 | Tiger Cubs | £ 865,370,204 | |
| 17079 | Tiger Holdings | £ 75,072,306 | |
| 17080 | Tiger Inc | £ 59,321,765 | |
| 17081 | Tiger Inc. | £ 179,228,881 | |
| 17082 | Tiger Ind | £ 1,516,293,468 | |
| 17083 | Tiger Industries | £ 1,548,639 | |
| 17084 | Tiger land | £ 50,000 | |
| 17085 | Tiger Ltd | £ 499,340,466 | |
| 17086 | Tiger Shark | £ 50,000 | |
| 17087 | Tiger Woods | £ 160,429,605 | |
| 17088 | Tiger1 | £ 745,663,575 | |
| 17089 | Tiger2 | £ 91,741,053 | |
| 17090 | Tiger3 | £ 83,654,869 | |
| 17091 | Tiger4 | £ 78,378,747 | |
| 17092 | Tiger5 | £ 52,588,970 | |
| 17093 | Tiger6 | £ 46,760,832 | |
| 17094 | Tiger7 | £ 52,677,201 | |
| 17095 | Tigerland | £ 104,506,155 | |
| 17096 | Tigers | £ 2,856 | |
| 17097 | Tigerz | £ 58,140,413 | |
| 17098 | Tiggers Num Nums | £ -8,123,794 | |
| 17099 | Tightly Coiled Piles | £ 91,532,532 | |
| 17100 | Tile | £ 328,497 | |
