The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 17501 | Probiotics | £ 1,551,916 | |
| 17502 | Problem Child | £ 450,880,486 | |
| 17503 | problems | £ 150,288,458 | |
| 17504 | Process | £ 50,000 | |
| 17505 | Processing | £ 189,851,814 | |
| 17506 | Procrastination | £ 1,134,314,344 | |
| 17507 | Procter and Gamble | £ 1,191,758,297 | |
| 17508 | Prodigal Enterprises | £ 4,944,427 | |
| 17509 | Prodigy | £ 311,272,612 | |
| 17510 | Produce | £ 352,010 | |
| 17511 | produced Videos | £ 5,038,119 | |
| 17512 | Producer | £ 55,384,555 | |
| 17513 | Productions | £ 438,084 | |
| 17514 | Professional Courtesy | £ 1,078,785,198 | |
| 17515 | Professionals | £ 344,376,486 | |
| 17516 | Professor Robert Langdon | £ 53,504,192 | |
| 17517 | Professor X. | £ 13,583,247 | |
| 17518 | Professorship | £ 32,163,827 | |
| 17519 | Proficiency | £ 251,261,426 | |
| 17520 | Profile | £ 691,407,676 | |
| 17521 | Profit | £ 5,505,955 | |
| 17522 | Profits in Hull | £ 68,491,589 | |
| 17523 | Profits LLC | £ 1,700,795 | |
| 17524 | Profligacy | £ 643,544 | |
| 17525 | Profundity | £ 161,306,908 | |
| 17526 | Progress | £ 58,937,074 | |
| 17527 | Progress. | £ 184,152,083 | |
| 17528 | Progressive Congressive | £ 5,697,155 | |
| 17529 | Project Delta | £ 68,624,493 | |
| 17530 | Project Eagle | £ 55,859,252 | |
| 17531 | Project Empire | £ 5,509,361 | |
| 17532 | Project Energy | £ 5,739,533 | |
| 17533 | Project Management | £ 6,424,086 | |
| 17534 | Project May | £ 5,815,888 | |
| 17535 | project mayhem | £ 333,313,589 | |
| 17536 | Project Reaper | £ 250,202,754 | |
| 17537 | Project Seed | £ 5,504,832 | |
| 17538 | Project Spectre | £ 5,505,487 | |
| 17539 | Project Treadstone | £ 1,340,935,143 | |
| 17540 | proktor industries | £ 50,000 | |
| 17541 | Prometheus | £ 8,453,746 | |
| 17542 | Promotions | £ 50,000 | |
| 17543 | PromzyJs | £ 50,000 | |
| 17544 | Proof | £ 259,060,213 | |
| 17545 | proof - | £ 484,065,454 | |
| 17546 | Propaganda | £ 51,554,545 | |
| 17547 | Proper Dead | £ 10,511,845 | |
| 17548 | Proper Values | £ 7,854,692 | |
| 17549 | Property Brothers | £ 52,150,648 | |
| 17550 | Property Insurance Co | £ 43,537,030 | |
| 17551 | Property Takeovers | £ 463,330,325 | |
| 17552 | Prophetic Visions | £ 5,730,435 | |
| 17553 | Propofol | £ 3,218,910,213 | |
| 17554 | Proportion | £ 108,424,777 | |
| 17555 | props | £ 2,898,008 | |
| 17556 | Props Go The Weasel | £ 76,958,722 | |
| 17557 | Prosecution | £ 117,246,158 | |
| 17558 | Prosperity | £ 36,224,843 | |
| 17559 | Prosperity Pioneers1 | £ 61,457,101 | |
| 17560 | Prosperium Inc | £ -63,244 | |
| 17561 | Protected Sites | £ 195,535,141 | |
| 17562 | Protected Speach | £ 807,203,887 | |
| 17563 | Protection | £ 465,720 | |
| 17564 | Protection Powered | £ 48,829,032 | |
| 17565 | Protection Services | £ 75,748,148 | |
| 17566 | Protesting | £ 395,544,095 | |
| 17567 | Protocol | £ 27,153,272 | |
| 17568 | Proudfoot | £ 928,098,488 | |
| 17569 | Proudmart | £ 8,500,837 | |
| 17570 | Proverbs | £ 111,743,999 | |
| 17571 | providence | £ 686,922,770 | |
| 17572 | provoked | £ 27,232,983 | |
| 17573 | Provost | £ 3,521,960 | |
| 17574 | Proxima Centauri | £ 366,052,456 | |
| 17575 | Prussian_Junkers_Corp | £ 21,212,710 | |
| 17576 | Pruszkow Trust | £ 12,048,708 | |
| 17577 | PR_Holdings | £ 2,767,996 | |
| 17578 | Psalm Seven Enterprises | £ 3,726,000 | |
| 17579 | Pseudoscience | £ 5,198,804 | |
| 17580 | Pstar | £ 62,764,548 | |
| 17581 | PSTH | £ 1,173,780 | |
| 17582 | Psych Industries | £ 1,119,189 | |
| 17583 | Psych. Industries | £ 50,000 | |
| 17584 | Psycho | £ -8,519,844 | |
| 17585 | Psycho Coke Snorters | £ 1,683,595,259 | |
| 17586 | Psycho Goose | £ 308,811,939 | |
| 17587 | Psycho Mantis | £ 58,292,901 | |
| 17588 | Psychological Warfare | £ 143,288,863 | |
| 17589 | Psychosis | £ 69,213,957 | |
| 17590 | Psychoville | £ 475,102,168 | |
| 17591 | PSYCON | £ 4,054,594 | |
| 17592 | Psycorp | £ 40,383,830 | |
| 17593 | Psygon | £ 395,880 | |
| 17594 | Pterofirma | £ 210,911,022 | |
| 17595 | PTO | £ 132,971,764 | |
| 17596 | Public Enemy | £ -10,559,431 | |
| 17597 | Public Nudity | £ 6,877,174 | |
| 17598 | Public School System | £ 54,431,082 | |
| 17599 | Public Transit System | £ 55,727,647 | |
| 17600 | Pubs N Brothels | £ 32,911,445 | |
