The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 11501 | ohara inc | £ -165,571 | |
| 11502 | ohe herrow | £ 5,703,509 | |
| 11503 | Ohnoitsmymothernlaw | £ 5,504,562 | |
| 11504 | Ohtaku inc | £ 3,600,029 | |
| 11505 | Ohtaku inc1 | £ 4,456,703 | |
| 11506 | Ohtaku inc2 | £ 1,267,353 | |
| 11507 | Ohtaku inc3 | £ 4,191,984 | |
| 11508 | Ohtaku inc4 | £ 4,118,968 | |
| 11509 | ohyesyesh | £ 50,000 | |
| 11510 | Oil | £ 833,968,470 | |
| 11511 | Oil CONGLOMO | £ 2,646,845 | |
| 11512 | Oil Field | £ 271,568 | |
| 11513 | Oil Inc | £ 1,596,655 | |
| 11514 | Oil Industry | £ 4,441,721 | |
| 11515 | Oil Rigger | £ 2,151,587,047 | |
| 11516 | Oilfield Industries | £ 9,854,297 | |
| 11517 | oiu | £ 5,498,037 | |
| 11518 | OJ da Juiceman | £ 109,855 | |
| 11519 | OK Tom | £ 153,664,783 | |
| 11520 | OKFurniture | £ 50,000 | |
| 11521 | OKG Shed | £ -329,334 | |
| 11522 | OKS 1 PTE LTD | £ 50,000 | |
| 11523 | OKS PTE LTD | £ 2,148,676 | |
| 11524 | OLafa | £ 5,088,982 | |
| 11525 | Oland Ltd | £ 50,000 | |
| 11526 | Olay | £ 290,473,960 | |
| 11527 | Old Age | £ 372,141,647 | |
| 11528 | Old Bay | £ 123,534,579 | |
| 11529 | Old Bill | £ 45,792,842 | |
| 11530 | Old Candle Barn | £ 34,078,534 | |
| 11531 | Old Carpet | £ 163,972,008 | |
| 11532 | old farts | £ 1,178,835,414 | |
| 11533 | Old Feuds | £ 44,696,704 | |
| 11534 | Old Granny | £ 9,329,769 | |
| 11535 | old lard | £ -7,521,344 | |
| 11536 | old legends | £ 14,735,844 | |
| 11537 | Old men | £ 397,899,239 | |
| 11538 | Old No. 7 | £ 620,700,257 | |
| 11539 | Old people | £ 41,298,004 | |
| 11540 | Old Rocker | £ 7,054,930 | |
| 11541 | Old School | £ 5,514,041 | |
| 11542 | old skool butta | £ 614,087 | |
| 11543 | Old Smoky | £ 622,122,584 | |
| 11544 | Old Socks | £ 144,379,758 | |
| 11545 | Old Whiskey | £ 17,558,590 | |
| 11546 | Old World Industry | £ 1,734,908 | |
| 11547 | Old World Ventures | £ 50,000 | |
| 11548 | OlDirty | £ 47,991,916 | |
| 11549 | oldschool | £ 5,497,521 | |
| 11550 | Oligarchy | £ 556,860,397 | |
| 11551 | Oligarchy inc. | £ 7,116,723 | |
| 11552 | olis | £ 91,036,818 | |
| 11553 | Oliver Cromwell | £ 220,112,740 | |
| 11554 | Oliver Queen | £ 56,107,912 | |
| 11555 | Olivers Imagination | £ 124,320,555 | |
| 11556 | Olrik | £ 22,147,425 | |
| 11557 | Olympia | £ 112,782,553 | |
| 11558 | olympic rings | £ 2,165,275,535 | |
| 11559 | Olympics | £ 5,508,747 | |
| 11560 | Olympus | £ 272,868,177 | |
| 11561 | Omega | £ 6,183,955 | |
| 11562 | Omega Indusries | £ 37,799 | |
| 11563 | OmegaFox Inc. | £ 1,266,634 | |
| 11564 | Omelette | £ 10,061,528 | |
| 11565 | Omerta | £ 1,007,186,123 | |
| 11566 | Omerta Inc. | £ 5,500,096 | |
| 11567 | Omni | £ 26,585,058 | |
| 11568 | omni4 | £ 1,185,151 | |
| 11569 | Omnia | £ 29,796,207 | |
| 11570 | on a stick | £ 13,410 | |
| 11571 | On all you Candyass | £ 69,045,286 | |
| 11572 | On Industries | £ 1,896,074 | |
| 11573 | On It | £ 59,533,659 | |
| 11574 | On My Mind | £ 87,748,385 | |
| 11575 | On The Fritz | £ 79,242,996 | |
| 11576 | on the road | £ 52,723,846 | |
| 11577 | Once Upon a Time | £ 24,760,937 | |
| 11578 | Once Were Warriors | £ 54,754,263 | |
| 11579 | one | £ 341,379,992 | |
| 11580 | One and a Half | £ 7,749,313,042 | |
| 11581 | One Company | £ 395,423,394 | |
| 11582 | One Eyed Three Leg Dog | £ 63,605,247 | |
| 11583 | One Flew Over | £ 38,655,989 | |
| 11584 | One Hit Wonder | £ 30,087,678 | |
| 11585 | One Insane Rastaman | £ 181,315,968 | |
| 11586 | one love | £ 3,838,898 | |
| 11587 | one man crying | £ 905,529,066 | |
| 11588 | One Mind | £ -5,139,455 | |
| 11589 | one of craze | £ 398,067,001 | |
| 11590 | One Piece | £ 11,282,781 | |
| 11591 | One Pound Fish | £ 1,584,921 | |
| 11592 | One Shot | £ 123,851,456 | |
| 11593 | One Silence | £ -4,074 | |
| 11594 | One to Many. | £ 4,976,234 | |
| 11595 | One United | £ 5,379,005 | |
| 11596 | one1 | £ 3,058,084 | |
| 11597 | OneNation | £ 45,456 | |
| 11598 | oneone | £ 18,206,569 | |
| 11599 | Oner | £ 10,516,756 | |
| 11600 | OneStopEnvelopeShoppe | £ -38,952 | |
