The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11501 | infinate | £ 884,198 | |
| 11502 | Infinite Beige | £ 43,587,544 | |
| 11503 | Infinite Enterprises | £ 64,016,264 | |
| 11504 | Infinity | £ 169,159,081 | |
| 11505 | Infinity and Beyond | £ 62,631,233 | |
| 11506 | Inflation | £ 115,274,054 | |
| 11507 | inflection | £ 50,000 | |
| 11508 | inflection point | £ 56,996,700 | |
| 11509 | Inflicting Pain | £ 5,371,678,096 | |
| 11510 | Influence | £ 31,119,222 | |
| 11511 | influenza | £ 2,078,668 | |
| 11512 | Information | £ 2,452,790,604 | |
| 11513 | Information Act | £ 21,410,016 | |
| 11514 | Information warfare | £ 113,895,251 | |
| 11515 | Infrastructure | £ 110,207,036 | |
| 11516 | Ingalls | £ 5,969,015 | |
| 11517 | Ingenuity | £ 229,132,507 | |
| 11518 | ingersoll | £ 272,873,593 | |
| 11519 | IngloriousG1 | £ 11,085,920 | |
| 11520 | IngloriousG2 | £ 21,578,348 | |
| 11521 | IngloriousG3 | £ 4,960,556 | |
| 11522 | IngloriousG4 | £ 38,861,336 | |
| 11523 | IngloriousG5 | £ 5,227,616 | |
| 11524 | Inheritance | £ 137,354,160 | |
| 11525 | Inhibitions | £ 15,766,491,803 | |
| 11526 | Iniquity | £ 78,707,525 | |
| 11527 | inishing | £ 1,064,467,186 | |
| 11528 | Initech | £ 36,273 | |
| 11529 | Initech Plc | £ 7,929,555 | |
| 11530 | Initial Test | £ 32,245,452 | |
| 11531 | Initiative | £ 149,209,958 | |
| 11532 | Injustice | £ 224,231,007 | |
| 11533 | Ink | £ 47,124,269 | |
| 11534 | Inkatek | £ 1,339,600 | |
| 11535 | Inland Taipan | £ 123,097,369 | |
| 11536 | Inmarsat | £ 73,664,930 | |
| 11537 | Inn of the Last Home | £ 1,403,402 | |
| 11538 | Inner Breads | £ 54,895,436 | |
| 11539 | Inner Station | £ 6,596,243 | |
| 11540 | Innie | £ 40,700,177 | |
| 11541 | Innisfree | £ 243,753,959 | |
| 11542 | Innocence | £ 61,612,365 | |
| 11543 | Innocent Enterprise | £ 64,597,451 | |
| 11544 | Innocent Waif Co. | £ 1,079,484 | |
| 11545 | Innovation | £ 52,326,052 | |
| 11546 | Innsbruck | £ 38,394,642 | |
| 11547 | Insane in | £ 53,955,378 | |
| 11548 | Insane In The Membrane | £ 492,420,776 | |
| 11549 | Insane Inc | £ 103,865,323 | |
| 11550 | insanity | £ 5,114,820 | |
| 11551 | Insanity.inc | £ -4,636,568 | |
| 11552 | Insatiability | £ 7,000,000,000 | |
| 11553 | Insect Inferno | £ 4,274,551 | |
| 11554 | insects | £ 40,152,036 | |
| 11555 | Insert Tool Tech | £ 218,766,740 | |
| 11556 | Inside Job | £ 49,002,369 | |
| 11557 | Insidious | £ 4,243,428 | |
| 11558 | Insidious Scams | £ 1,126,522 | |
| 11559 | Insight | £ 4,930,782 | |
| 11560 | Insignia | £ 15,236,269 | |
| 11561 | Insomnia | £ 111,310,354 | |
| 11562 | Insomnia Inc | £ 13,618,559 | |
| 11563 | Insomniac | £ 349,981,951 | |
| 11564 | Insomniacs | £ 152,075,480 | |
| 11565 | Insomniacs Inc | £ 27,056,872 | |
| 11566 | INSOMNIACS LTD | £ 9,598,294 | |
| 11567 | Inspecticide | £ 86,260,352 | |
| 11568 | Inspecticidus | £ 1,179,300 | |
| 11569 | inspection | £ 71,610,568 | |
| 11570 | Inspector Gadget | £ 1,594,722,874 | |
| 11571 | Inspiration | £ 293,268,063 | |
| 11572 | Inspiron | £ 55,842,972 | |
| 11573 | Insta-threat11 | £ -10,135,618 | |
| 11574 | Instability | £ 7,000,000,000 | |
| 11575 | £ 188,730,522 | ||
| 11576 | Instamatic | £ 3,998,883 | |
| 11577 | Instrument | £ 5,045,464 | |
| 11578 | insubordination | £ 1,376,802,401 | |
| 11579 | Insufficient Amount | £ 115,460,289 | |
| 11580 | Insufficient Storage | £ 120,111,443 | |
| 11581 | Insult to Injury | £ 139,144,092 | |
| 11582 | Insults | £ 555,598,769 | |
| 11583 | Insurance | £ 192,712,894 | |
| 11584 | Insurection | £ 173,310,394 | |
| 11585 | Insurrection | £ 61,411,282 | |
| 11586 | IntArch | £ 4,051,737 | |
| 11587 | Integrated Finance | £ 5,613,209 | |
| 11588 | Integrity | £ 62,272,169 | |
| 11589 | Intel | £ 4,159,306 | |
| 11590 | Intel 8008 | £ 188,291,278 | |
| 11591 | Intel Corperation | £ 5,502,692 | |
| 11592 | Intelaro | £ 4,025,852 | |
| 11593 | INTELECT MID | £ 4,542,979 | |
| 11594 | INTELECT NORTH | £ 3,506,604 | |
| 11595 | INTELECT SOUTH | £ 5,501,704 | |
| 11596 | inteligence | £ 61,895,040 | |
| 11597 | Inteligent | £ 320,833,576 | |
| 11598 | Intellectual Property | £ 394,894,835 | |
| 11599 | Intelligence | £ 1,269,185,751 | |
| 11600 | Intelligence Corp | £ 107,584,966 | |
