The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 9901 | Infrastructure | £ 101,677,851 | |
| 9902 | Ingalls | £ 5,969,015 | |
| 9903 | Ingenuity | £ 229,132,507 | |
| 9904 | ingersoll | £ 272,873,593 | |
| 9905 | IngloriousG1 | £ 11,085,920 | |
| 9906 | IngloriousG2 | £ 21,578,348 | |
| 9907 | IngloriousG3 | £ 4,960,556 | |
| 9908 | IngloriousG4 | £ 38,861,336 | |
| 9909 | IngloriousG5 | £ 5,227,616 | |
| 9910 | Inheritance | £ 137,354,160 | |
| 9911 | Inhibitions | £ 13,498,387,751 | |
| 9912 | inishing | £ 1,064,467,186 | |
| 9913 | Initech | £ 36,273 | |
| 9914 | Initech Plc | £ 33,772 | |
| 9915 | Initial Test | £ 32,245,452 | |
| 9916 | Initiative | £ 149,209,958 | |
| 9917 | Injustice | £ 265,607,917 | |
| 9918 | Ink | £ 47,124,269 | |
| 9919 | Inkatek | £ 1,339,600 | |
| 9920 | Inmarsat | £ 49,775,661 | |
| 9921 | Inn of the Last Home | £ 1,403,402 | |
| 9922 | Inner Light | £ 4,595,881 | |
| 9923 | Inner Station | £ 6,596,243 | |
| 9924 | Innie | £ 40,700,177 | |
| 9925 | Innisfree | £ 243,753,959 | |
| 9926 | Innocence | £ 61,612,365 | |
| 9927 | Innocent | £ 43,904,740 | |
| 9928 | Innocent Enterprise | £ 64,597,451 | |
| 9929 | Innocent Waif Co. | £ 1,079,484 | |
| 9930 | Innovation | £ 52,326,052 | |
| 9931 | Innsbruck | £ 38,394,642 | |
| 9932 | Insane in | £ 50,185,546 | |
| 9933 | Insane In The Membrane | £ 492,420,776 | |
| 9934 | Insane Inc | £ 103,865,323 | |
| 9935 | insanity | £ 5,114,820 | |
| 9936 | Insanity.inc | £ -4,636,568 | |
| 9937 | Insatiability | £ 6,854,282,052 | |
| 9938 | Insect Inferno | £ 4,274,551 | |
| 9939 | insects | £ 40,152,036 | |
| 9940 | Insert Tool Tech | £ 218,766,740 | |
| 9941 | Insidious | £ 1,840,867 | |
| 9942 | Insight | £ 4,930,782 | |
| 9943 | Insignia | £ 15,236,269 | |
| 9944 | Insomnia | £ 111,310,354 | |
| 9945 | Insomnia Inc | £ 13,618,559 | |
| 9946 | Insomniac | £ 349,981,951 | |
| 9947 | Insomniacs Inc | £ 27,056,872 | |
| 9948 | Inspecticide | £ 86,260,352 | |
| 9949 | Inspecticidus | £ 1,179,300 | |
| 9950 | inspection | £ 71,610,568 | |
| 9951 | Inspector Gadget | £ 1,615,823,981 | |
| 9952 | Inspiration | £ 293,268,063 | |
| 9953 | Inspiron | £ 55,842,972 | |
| 9954 | Insta-threat11 | £ -10,135,618 | |
| 9955 | Instability | £ 6,823,220,217 | |
| 9956 | £ 188,730,522 | ||
| 9957 | Instrument | £ 5,045,464 | |
| 9958 | insubordination | £ 1,049,991,556 | |
| 9959 | Insufficient Amount | £ 115,460,289 | |
| 9960 | Insufficient Storage | £ 44,356,571 | |
| 9961 | Insult to Injury | £ 133,556,069 | |
| 9962 | Insults | £ 555,598,769 | |
| 9963 | Insurance | £ 192,712,894 | |
| 9964 | Insurection | £ 173,310,394 | |
| 9965 | Insurrection | £ 61,411,282 | |
| 9966 | IntArch | £ 4,051,737 | |
| 9967 | Integrated Finance | £ 5,613,209 | |
| 9968 | Integrity | £ 62,272,169 | |
| 9969 | Intel | £ 4,159,306 | |
| 9970 | Intel 8008 | £ 96,140,617 | |
| 9971 | Intel Corperation | £ 5,502,692 | |
| 9972 | INTELECT MID | £ 4,542,979 | |
| 9973 | INTELECT NORTH | £ 3,506,604 | |
| 9974 | INTELECT SOUTH | £ 5,501,704 | |
| 9975 | inteligence | £ 53,309,661 | |
| 9976 | Inteligent | £ 320,833,576 | |
| 9977 | Intellectual Property | £ 238,925,824 | |
| 9978 | Intelligence | £ 1,269,185,751 | |
| 9979 | Intelligence Corp | £ 68,096,629 | |
| 9980 | Intelligentsia | £ 5,507,721 | |
| 9981 | Intelligibility | £ 6,703,569,685 | |
| 9982 | intense lines | £ 748,561 | |
| 9983 | Intense Solar | £ 98,277,569 | |
| 9984 | Intent | £ 208,032,022 | |
| 9985 | Intentions | £ 16,187,793 | |
| 9986 | Inter Ya Dog | £ 118,992,808 | |
| 9987 | Inter Ya Gran | £ 12,738,841 | |
| 9988 | Inter Ya Granny | £ 162,752,353 | |
| 9989 | Inter Ye mam | £ 113,368,031 | |
| 9990 | Intercourse | £ 5,503,657 | |
| 9991 | Interest | £ 127,762,541 | |
| 9992 | Interesting Company Name | £ 38,884,650 | |
| 9993 | Interesting Inc. | £ 115,169,616 | |
| 9994 | Interests | £ 47,262,699 | |
| 9995 | Interference | £ 62,364,669 | |
| 9996 | Intergalactic Humanoids | £ 138,751,883 | |
| 9997 | Interior Two | £ 13,505,023 | |
| 9998 | Interlaced ent | £ 26,839,614 | |
| 9999 | Interlaced inc | £ 6,609,164 | |
| 10000 | Interlagos | £ 62,187,801 | |
