The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 10001 | Grey Forge | £ 4,790,893 | |
| 10002 | Grey Goose | £ 735,210,785 | |
| 10003 | Grey Hound Racing | £ 14,405,874 | |
| 10004 | Grey Train | £ 1,366,854 | |
| 10005 | Greyfriars Bobby | £ 1,204,859,524 | |
| 10006 | Greyfriars kirkyard | £ 3,978,047,392 | |
| 10007 | greyskull | £ 3,016 | |
| 10008 | Grids of Anarchy | £ 4,144,909 | |
| 10009 | Griefer | £ 910,259,210 | |
| 10010 | Grieg | £ 490,821,091 | |
| 10011 | griffin | £ 8,703,351 | |
| 10012 | Griffin Inc | £ 55,965,986 | |
| 10013 | Griffin ltd | £ 3,856,745 | |
| 10014 | griffon | £ 12,177,350 | |
| 10015 | Grifols | £ 175,025,088 | |
| 10016 | grift | £ 193,691,937 | |
| 10017 | Grigg Enterprises | £ -129,317 | |
| 10018 | Grim | £ 57,448,100 | |
| 10019 | Grime | £ 41,259,038 | |
| 10020 | Grimm | £ 2,468,726 | |
| 10021 | Grimshade | £ 493,592,432 | |
| 10022 | Grinches Little Helper | £ 197,745,511 | |
| 10023 | Grind | £ 2,093,122,095 | |
| 10024 | GRITS | £ 19,299,374 | |
| 10025 | GRITS2 | £ 15,147,310 | |
| 10026 | Gritty Kitty Litter | £ 494,925,782 | |
| 10027 | Ground Forces | £ 5,507,470 | |
| 10028 | Grounds | £ 898,474 | |
| 10029 | Groundworks Ltd | £ 4,535,312 | |
| 10030 | groundzero | £ -113,401 | |
| 10031 | Grove Inc | £ 14,269,997 | |
| 10032 | grovefarm | £ 5,503,027 | |
| 10033 | Groverbear Enterprises | £ 49,286 | |
| 10034 | Grovy Industries | £ 29,199,287 | |
| 10035 | Grow a dope | £ 172,571,236 | |
| 10036 | Grower Productions Inc. | £ 1,974,528 | |
| 10037 | Growth Inc | £ 5,000,595 | |
| 10038 | Growth Ventures | £ 38,638,936 | |
| 10039 | GRT | £ 2,684,521 | |
| 10040 | GRT LTD | £ 2,831,761 | |
| 10041 | grty | £ 50,000 | |
| 10042 | GRU | £ 137,784,318 | |
| 10043 | Grubucks | £ 117,502,290 | |
| 10044 | Grubux | £ 55,485,751 | |
| 10045 | Grumpy Ass Co | £ 717,446 | |
| 10046 | Grumpy Trump | £ 15,582,465 | |
| 10047 | Grunge Ltd | £ -6,543,550 | |
| 10048 | Grunt and Co | £ 74,533 | |
| 10049 | Gryffindor | £ 591,696,683 | |
| 10050 | GSB Back | £ 211,834 | |
| 10051 | GSB Inc | £ 45,925,540 | |
| 10052 | gsdsa2we | £ -3,362,593 | |
| 10053 | GStringBoi | £ 83,779,194 | |
| 10054 | GT85 | £ 41,028,479 | |
| 10055 | GTA - Vice City | £ 1,201,618,401 | |
| 10056 | GTI | £ 16,620,954 | |
| 10057 | GTO | £ 804,730,106 | |
| 10058 | guarantee | £ 122,005,058 | |
| 10059 | Guard Goose | £ 207,099,712 | |
| 10060 | Guardian | £ 233,372,394 | |
| 10061 | Guardian Force | £ 50,305,682 | |
| 10062 | Gucci | £ 5,504,980 | |
| 10063 | Gudenkauf | £ 1,292,470,006 | |
| 10064 | Guerilla Radio | £ 126,956,176 | |
| 10065 | Guerilla Warfare | £ 180,494,391 | |
| 10066 | Guerillas | £ 20,922 | |
| 10067 | Guess Who | £ 11,782,703 | |
| 10068 | Guesty construction | £ 1,475 | |
| 10069 | GuggaChuga | £ 86,500,748 | |
| 10070 | Guiding Hope | £ 49,508,457 | |
| 10071 | Guilt | £ 4,796,081 | |
| 10072 | Guilt Supply Co | £ 268,604,112 | |
| 10073 | GUILTY | £ 2,606,946,182 | |
| 10074 | Guinea Pigs | £ 96,065,686 | |
| 10075 | Guinness | £ 211,536,451 | |
| 10076 | GuitarStringsRUs | £ 3,294,820 | |
| 10077 | Gum job corp | £ 7,975,954 | |
| 10078 | Gum job inc | £ 22,814,695 | |
| 10079 | Gum job ltd | £ 57,436,545 | |
| 10080 | Gum Shoe | £ 174,187,397 | |
| 10081 | Gumba Corp | £ 6,412,427 | |
| 10082 | Gumbo | £ 752,951 | |
| 10083 | GUMBO GUM | £ 5,502,222 | |
| 10084 | Gumbo YAYA | £ 550,323 | |
| 10085 | Gumby | £ 80,096,074 | |
| 10086 | Gummibears | £ 52,252,554 | |
| 10087 | Gummies | £ 134,445,759 | |
| 10088 | GuMMo | £ 139,098,856 | |
| 10089 | gummy bears | £ 1,078,039,646 | |
| 10090 | gun | £ 1,361,171,167 | |
| 10091 | Gunderson_Meats | £ -16,533,088 | |
| 10092 | gungrave | £ 119,633,615 | |
| 10093 | GUNIT | £ -758 | |
| 10094 | Gunner | £ 58,475,944 | |
| 10095 | Gunners | £ 233,070,980 | |
| 10096 | Gunpowder | £ 307,864,521 | |
| 10097 | Guns and Beer | £ 5,502,395 | |
| 10098 | Guns Germs and Steel | £ 46,956,762 | |
| 10099 | Guns Inc. | £ 50,000 | |
| 10100 | Guns N Roses | £ 51,636,949 | |
