The following list shows all the companies that are in the game.
| Companies List | |||
| Pos. | Company Name | Awards | Total Worth |
| 17501 | Propaganda | £ 51,554,545 | |
| 17502 | Proper Dead | £ 10,511,845 | |
| 17503 | Proper Values | £ 7,854,692 | |
| 17504 | Property Brothers | £ 52,150,648 | |
| 17505 | Property Insurance Co | £ 43,151,018 | |
| 17506 | Property Takeovers | £ 463,330,325 | |
| 17507 | Prophetic Visions | £ 5,730,435 | |
| 17508 | Propofol | £ 3,218,910,213 | |
| 17509 | Proportion | £ 108,424,777 | |
| 17510 | props | £ 2,898,008 | |
| 17511 | Props Go The Weasel | £ 76,958,722 | |
| 17512 | Prosecution | £ 123,462,120 | |
| 17513 | Prosperity | £ 36,224,843 | |
| 17514 | Prosperity Pioneers1 | £ 61,457,101 | |
| 17515 | Prosperium Inc | £ -63,244 | |
| 17516 | Protected Sites | £ 195,535,141 | |
| 17517 | Protected Speach | £ 808,876,117 | |
| 17518 | Protection | £ 465,720 | |
| 17519 | Protection Powered | £ 48,829,032 | |
| 17520 | Protection Services | £ 75,949,227 | |
| 17521 | Protesting | £ 395,544,095 | |
| 17522 | Protocol | £ 27,153,272 | |
| 17523 | Proudfoot | £ 928,098,488 | |
| 17524 | Proudmart | £ 8,500,837 | |
| 17525 | Proverbs | £ 111,743,999 | |
| 17526 | providence | £ 686,922,770 | |
| 17527 | provoked | £ 27,232,983 | |
| 17528 | Provost | £ 3,521,960 | |
| 17529 | Proxima Centauri | £ 366,052,456 | |
| 17530 | Prussian_Junkers_Corp | £ 21,212,710 | |
| 17531 | Pruszkow Trust | £ 12,048,708 | |
| 17532 | PR_Holdings | £ 2,767,996 | |
| 17533 | Psalm Seven Enterprises | £ 3,726,000 | |
| 17534 | Pseudoscience | £ 5,198,804 | |
| 17535 | Pstar | £ 62,764,548 | |
| 17536 | PSTH | £ 1,173,780 | |
| 17537 | Psych Industries | £ 1,119,189 | |
| 17538 | Psych. Industries | £ 50,000 | |
| 17539 | Psycho Coke Snorters | £ 1,683,595,259 | |
| 17540 | Psycho Goose | £ 321,658,887 | |
| 17541 | Psycho Mantis | £ 58,292,901 | |
| 17542 | Psychological Warfare | £ 145,194,672 | |
| 17543 | Psychosis | £ 69,213,957 | |
| 17544 | Psychoville | £ 475,102,168 | |
| 17545 | PSYCON | £ 4,054,594 | |
| 17546 | Pterofirma | £ 210,911,022 | |
| 17547 | PTO | £ 132,971,764 | |
| 17548 | Public Enemy | £ -10,559,431 | |
| 17549 | Public Nudity | £ 6,877,174 | |
| 17550 | Public School System | £ 54,431,082 | |
| 17551 | Public Transit System | £ 55,727,647 | |
| 17552 | puck inc | £ 1,971,805 | |
| 17553 | Puddles | £ 79,427,850 | |
| 17554 | Puddytats | £ 40,401,939 | |
| 17555 | Puemdnarb | £ 106,197,158 | |
| 17556 | PuffDragon Enterprises | £ 15,295,307 | |
| 17557 | Puffed Wheat | £ 77,300,605 | |
| 17558 | Puffpass | £ 18,185,053 | |
| 17559 | Pug | £ 4,251,781 | |
| 17560 | PUGWASH | £ 93,338,585 | |
| 17561 | Pukul Habis | £ 53,986,001 | |
| 17562 | PulledChicken | £ 4,732,043 | |
| 17563 | pulling teeth | £ 612,479,814 | |
| 17564 | Pulp Fiction | £ 330,863,737 | |
| 17565 | Pulp Paper Company | £ 8,061,688 | |
| 17566 | Pulse | £ 4,519,444 | |
| 17567 | Puma | £ 231,641,420 | |
| 17568 | Puma Inc | £ 1,102,532,813 | |
| 17569 | Puma Punku | £ 1,502,524,911 | |
| 17570 | Pumper | £ 53,028,092 | |
| 17571 | pumping | £ 1,412,828,245 | |
| 17572 | Pumpkin Eater | £ 115,614,303 | |
| 17573 | PumpTowers | £ 50,000 | |
| 17574 | Punch n Judy | £ 93,638,094 | |
| 17575 | Punches | £ 6,710,914 | |
| 17576 | Punisher | £ 5,733,222,079 | |
| 17577 | PUNISHMENT | £ 752,156,413 | |
| 17578 | PunJab Inc | £ -3,042,975 | |
| 17579 | Punk | £ 7,058,531 | |
| 17580 | PunSmack llc | £ 2,492,919 | |
| 17581 | Puppies | £ 45,073,891 | |
| 17582 | Puppy | £ 8,891,263 | |
| 17583 | puppy dogs | £ 2,241,410,070 | |
| 17584 | Puppy Poop | £ 54,644,738 | |
| 17585 | puppyfeet | £ 50,000 | |
| 17586 | Purcell | £ 702,804,607 | |
| 17587 | Purchase | £ 67,321,877 | |
| 17588 | Purchasing Premium | £ 267,330,531 | |
| 17589 | Purdey | £ 840,702 | |
| 17590 | pure acid reflux | £ 182,039,076 | |
| 17591 | Pure Annihilation | £ 180,985,742 | |
| 17592 | Pure Blood | £ 236,175,600 | |
| 17593 | Pure Carbon | £ 208,869,816 | |
| 17594 | Pure Evil | £ 5,507,418 | |
| 17595 | Pure Evil Thoughts | £ 249,390,260 | |
| 17596 | Pure hate | £ 1,705,282 | |
| 17597 | Pure Hatred | £ 334,423,442 | |
| 17598 | Pure Imagination | £ 53,206,219 | |
| 17599 | Pure Leaf | £ 61,378,069 | |
| 17600 | Pure Poison | £ 66,846,369 | |
