The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 16501 | Ohtaku inc | £ 3,600,029 | |
| 16502 | Ohtaku inc1 | £ 4,456,703 | |
| 16503 | Ohtaku inc2 | £ 1,267,353 | |
| 16504 | Ohtaku inc3 | £ 4,191,984 | |
| 16505 | Ohtaku inc4 | £ 4,118,968 | |
| 16506 | ohyesyesh | £ 50,000 | |
| 16507 | Oil | £ 833,968,470 | |
| 16508 | Oil CONGLOMO | £ 2,646,845 | |
| 16509 | Oil Field | £ 271,568 | |
| 16510 | Oil First | £ 49,880 | |
| 16511 | Oil Inc | £ 1,610,027 | |
| 16512 | Oil Industry | £ 4,441,721 | |
| 16513 | Oil Rigger | £ 2,151,587,047 | |
| 16514 | Oil Tycoon | £ 5,374,700 | |
| 16515 | Oilfield Industries | £ 9,854,297 | |
| 16516 | oiu | £ 5,498,037 | |
| 16517 | OJ da Juiceman | £ 109,855 | |
| 16518 | OK Tom | £ 216,898,622 | |
| 16519 | OKFurniture | £ 50,000 | |
| 16520 | OKG Shed | £ -329,334 | |
| 16521 | Oklahoma | £ 66,875,753 | |
| 16522 | OKS 1 PTE LTD | £ 50,000 | |
| 16523 | OKS PTE LTD | £ 2,148,676 | |
| 16524 | OLafa | £ 5,088,982 | |
| 16525 | Oland Ltd | £ 50,000 | |
| 16526 | Olay | £ 326,245,749 | |
| 16527 | Old | £ 1,204,603,995 | |
| 16528 | Old Age | £ 428,870,365 | |
| 16529 | Old Antique | £ 80,453,231 | |
| 16530 | Old Bay | £ 123,534,579 | |
| 16531 | Old Bill | £ 45,792,842 | |
| 16532 | Old Boss | £ 15,094,253 | |
| 16533 | Old Carpet | £ 163,972,008 | |
| 16534 | Old company names | £ 1,139,732,062 | |
| 16535 | old farts | £ 3,542,428,093 | |
| 16536 | Old Feuds | £ 44,696,704 | |
| 16537 | Old Granny | £ 9,329,769 | |
| 16538 | old lard | £ -7,521,344 | |
| 16539 | old legends | £ 14,735,844 | |
| 16540 | Old men | £ 397,899,239 | |
| 16541 | Old No. 7 | £ 749,759,055 | |
| 16542 | Old people | £ 41,298,004 | |
| 16543 | Old Rocker | £ 416,345,265 | |
| 16544 | Old School | £ 5,514,041 | |
| 16545 | old skool butta | £ 614,087 | |
| 16546 | Old Smoky | £ 622,122,584 | |
| 16547 | Old Socks | £ 144,379,758 | |
| 16548 | Old Spice | £ 589,092,298 | |
| 16549 | old to netro | £ 80,731,925 | |
| 16550 | Old tyres | £ 54,000,053 | |
| 16551 | Old Whiskey | £ 78,899,948 | |
| 16552 | Old Wisteria | £ 51,324,515 | |
| 16553 | Old World Industry | £ 1,734,908 | |
| 16554 | Old World Ventures | £ 50,000 | |
| 16555 | OlDirty | £ 47,991,916 | |
| 16556 | oldschool | £ 125,860,243 | |
| 16557 | Oligarchy | £ 1,025,598,982 | |
| 16558 | Oligarchy inc. | £ 7,116,723 | |
| 16559 | olis | £ 91,036,818 | |
| 16560 | Olivers Imagination | £ 124,320,555 | |
| 16561 | olives | £ 568,111,602 | |
| 16562 | Olives ltd | £ 2,575,542 | |
| 16563 | Ollio Inc. | £ 6,159,098 | |
| 16564 | Ollio2 Inc. | £ -2,232,039 | |
| 16565 | Ollio3 Inc. | £ -680,853 | |
| 16566 | Olrik | £ 22,147,425 | |
| 16567 | Olympia | £ 112,782,553 | |
| 16568 | Olympiazuli | £ 40,428,229 | |
| 16569 | olympic rings | £ 3,084,696,830 | |
| 16570 | Olympics | £ 5,508,747 | |
| 16571 | Olympus | £ 2,084,999,378 | |
| 16572 | OMD | £ 333,034,023 | |
| 16573 | Omega | £ 6,183,955 | |
| 16574 | Omega Indusries | £ 37,799 | |
| 16575 | OmegaFox Inc. | £ 1,266,634 | |
| 16576 | Omens | £ 1,431,798,609 | |
| 16577 | Omerta | £ 1,007,186,123 | |
| 16578 | Omerta Inc. | £ 5,500,096 | |
| 16579 | OMG I Need Help | £ 45,934,741 | |
| 16580 | omission | £ 258,806,447 | |
| 16581 | Omni | £ 26,585,058 | |
| 16582 | Omni Consumer Products | £ 32,296,370 | |
| 16583 | Omni Future Corp 1 | £ 855,512,970 | |
| 16584 | omni4 | £ 1,185,151 | |
| 16585 | Omnia | £ 29,796,207 | |
| 16586 | OmniCorp | £ 5,503,691 | |
| 16587 | Omnifarious | £ 2,360,838,488 | |
| 16588 | Omnificent | £ 2,321,277,749 | |
| 16589 | Omnipotent | £ 2,218,375,349 | |
| 16590 | Omnipresent | £ 2,257,248,277 | |
| 16591 | Omniscient | £ 2,478,385,168 | |
| 16592 | Omnitool | £ 4,640,506 | |
| 16593 | on a stick | £ 13,410 | |
| 16594 | On Industries | £ 1,896,074 | |
| 16595 | On It | £ 59,533,659 | |
| 16596 | On My Mind | £ 87,748,385 | |
| 16597 | ON PATCHWERK | £ 399,366,790 | |
| 16598 | On Patrol | £ 148,087,996 | |
| 16599 | On The Fritz | £ 79,242,996 | |
| 16600 | on the hills | £ 5,509,265 | |
