The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11601 | intelligent conversation | £ 212,620,921 | |
| 11602 | Intelligentsia | £ 205,386,988 | |
| 11603 | Intelligibility | £ 7,000,000,000 | |
| 11604 | Intense Feelings | £ 55,007,551 | |
| 11605 | intense lines | £ 748,561 | |
| 11606 | Intense Solar | £ 98,277,569 | |
| 11607 | Intent | £ 208,032,022 | |
| 11608 | Intentions | £ 16,187,793 | |
| 11609 | Inter Ya Dog | £ 118,992,808 | |
| 11610 | Inter Ya Gran | £ 12,738,841 | |
| 11611 | Inter Ya Granny | £ 162,752,353 | |
| 11612 | Inter Ye mam | £ 113,368,031 | |
| 11613 | Intercourse | £ 7,425,566 | |
| 11614 | Interest | £ 169,616,291 | |
| 11615 | Interesting Company Name | £ 38,884,650 | |
| 11616 | Interesting Inc. | £ 115,169,616 | |
| 11617 | Interests | £ 44,300,571 | |
| 11618 | Interference | £ 70,803,283 | |
| 11619 | Intergalactic Humanoids | £ 138,751,883 | |
| 11620 | Interior Two | £ 13,505,023 | |
| 11621 | Interlaced ent | £ 26,839,614 | |
| 11622 | Interlaced inc | £ 6,609,164 | |
| 11623 | Interlagos | £ 62,187,801 | |
| 11624 | Intern | £ 41,370,081 | |
| 11625 | Internal Affairs | £ 1,505,037,105 | |
| 11626 | Internal Audit | £ 5,084,223 | |
| 11627 | Internal combustion | £ 10,259,967 | |
| 11628 | Internal Revenue | £ 213,429,745 | |
| 11629 | Internal Server Error | £ 414,636,946 | |
| 11630 | International Mystery | £ 5,506,934 | |
| 11631 | International Rescue | £ 1,035,469,626 | |
| 11632 | Internet Chicken | £ 2,964,862 | |
| 11633 | InterplanetaryCraft | £ 318,326,383 | |
| 11634 | Interpol | £ 49,547,898 | |
| 11635 | Interruption | £ 45,034,064 | |
| 11636 | Interscope | £ 39,811,703 | |
| 11637 | Interstate 580 | £ 103,877,389 | |
| 11638 | Intestinal Discomfort | £ 56,322,543 | |
| 11639 | Intimacy | £ 460,690,059 | |
| 11640 | Intl Secret Intel Agency | £ 283,843,957 | |
| 11641 | Into Light | £ 2,490,919 | |
| 11642 | Into your DMs | £ 76,459,120 | |
| 11643 | Intothenight | £ 1,845,829 | |
| 11644 | Intrepia | £ 59,115,436 | |
| 11645 | Intrigue | £ 583,594,547 | |
| 11646 | Intuitive | £ 54,700,056 | |
| 11647 | INUYASHA | £ 41,684,637 | |
| 11648 | Invader | £ 166,638,863 | |
| 11649 | Invaders 2 | £ 33,587,924 | |
| 11650 | Invaders 4 | £ 2,086,777 | |
| 11651 | invalid | £ -9,650,282 | |
| 11652 | Invaluable Deeds | £ 33,829,098 | |
| 11653 | Invasion | £ 296,793,233 | |
| 11654 | Invention | £ 1,640,987,822 | |
| 11655 | Invention. | £ 4,503,015,756 | |
| 11656 | Inventions R US | £ 6,854,812 | |
| 11657 | Inverness | £ 51,364,978 | |
| 11658 | Inverse Ferocity | £ 10,650,542 | |
| 11659 | Inversion | £ 84,939,373 | |
| 11660 | Investigation | £ 32,969,246 | |
| 11661 | Investigations | £ 5,510,265 | |
| 11662 | Investment | £ 2,221,888,865 | |
| 11663 | Investor Inc | £ 19,491 | |
| 11664 | Investors | £ 556,818,970 | |
| 11665 | Invicible | £ 1,571,549,869 | |
| 11666 | Invictus | £ 234,266,883 | |
| 11667 | Invictus Co. | £ 6,317,756 | |
| 11668 | Invincibility | £ 7,000,000,000 | |
| 11669 | Invincible Blood | £ 22,642,999 | |
| 11670 | Invisibility | £ 7,000,000,000 | |
| 11671 | Invisible | £ 5,500,467 | |
| 11672 | Invisible Furniture | £ 33,414,016 | |
| 11673 | Invulnerability | £ 7,000,000,000 | |
| 11674 | IOM | £ 10,369,366 | |
| 11675 | Iowa | £ 127,677,313 | |
| 11676 | IP Tables | £ 1,258,301,796 | |
| 11677 | Ipeople | £ 6,717,633 | |
| 11678 | iPhone 5s or iPhone 5c | £ 251,993,104 | |
| 11679 | iPhone Maxi | £ 21,262,521 | |
| 11680 | iphone se 2 | £ 1,537,913 | |
| 11681 | iPhones | £ 106,890,512 | |
| 11682 | Ipswich Town | £ 4,334,296 | |
| 11683 | IpWorm | £ 3,642,355 | |
| 11684 | IQM Medical Ltd. | £ 50,000 | |
| 11685 | IRA | £ 65,608,485 | |
| 11686 | Iran | £ 32,215,198 | |
| 11687 | Iraq | £ 44,717,420 | |
| 11688 | irasshaimase | £ 224,142,634 | |
| 11689 | Ireland | £ 5,965,992 | |
| 11690 | iReps | £ 2,223,311 | |
| 11691 | Irish Bomber | £ 50,000 | |
| 11692 | Irish Carbomb | £ 56,896,614 | |
| 11693 | irish descent | £ 222,031,996 | |
| 11694 | Irish Red Inc | £ 5,507,308 | |
| 11695 | Irish Republican Army | £ 191,860,837 | |
| 11696 | Irish Whiskey | £ 1,291,107 | |
| 11697 | Irish Wrecking Ball | £ 5,052,671 | |
| 11698 | Irish_Eejit | £ 18,195,704 | |
| 11699 | Irn Bru | £ 140,459,306 | |
| 11700 | iron | £ 27,511,144 | |
