| Park Avenue ArmoryEIN 13-4086800 | Arts, Culture, Humanities | NY | $25,931,022Large | 91.92 |
| Parkinson's FoundationEIN 13-1866796 | Health | NY | $26,963,779Large | 90.88 |
| Partners In HealthEIN 04-3567502 | International | MA | $145,464,654Large | 90.94 |
| Partnership for Public ServiceEIN 06-1540513 | Research and Public Policy | DC | $16,330,799Large | 96.46 |
| PATHEIN 91-1157127 | International | WA | $333,063,151Large | 89.08 |
| Pathfinder InternationalEIN 53-0235320 | International | MA | $166,643,317Large | 90.91 |
| Patient Advocate FoundationEIN 54-1806317 | Health | VA | $186,165,629Large | 96.66 |
| Patient Services IncorporatedEIN 54-1596178 | Health | VA | $110,091,811Large | 92.22 |
| Peabody Essex MuseumEIN 04-3157815 | Arts, Culture, Humanities | MA | $36,772,165Large | 87.61 |
| Peninsula Jewish Community CenterEIN 94-3227262 | Human Services | CA | $18,227,062Large | 89.45 |
| Peninsula Metropolitan Young Men's Christian AssociationEIN 54-0524905 | Human Services | VA | $18,463,775Large | 91.42 |
| Pennsylvania BalletEIN 23-1629970 | Arts, Culture, Humanities | PA | $14,070,730Large | 84.52 |
| People for the Ethical Treatment of AnimalsEIN 52-1218336 | Animals | VA | $64,212,553Large | 80.80 |
| Performing Arts Fort Worth/Bass Performance HallEIN 75-2457270 | Arts, Culture, Humanities | TX | $18,255,674Large | 95.05 |
| Perkins School for the BlindEIN 04-2103616 | Education | MA | $69,957,149Large | 86.76 |
| Perot Museum of Nature and ScienceEIN 75-6067569 | Arts, Culture, Humanities | TX | $27,785,810Large | 90.75 |
| Petersen Automotive MuseumEIN 95-4739699 | Arts, Culture, Humanities | CA | $20,476,879Large | 86.62 |
| Peterson Institute for International EconomicsEIN 52-1226967 | Research and Public Policy | DC | $14,090,558Large | 92.29 |
| PetSmart CharitiesEIN 93-1140967 | Animals | AZ | $65,126,799Large | 97.71 |
| Pheasants ForeverEIN 41-1429149 | Animals | MN | $66,057,628Large | 89.87 |
| PhilabundanceEIN 23-2290505 | Human Services | PA | $52,843,000Large | 82.46 |
| Philadelphia Museum of ArtEIN 23-1365388 | Arts, Culture, Humanities | PA | $72,936,362Large | 91.10 |
| Phoenix Rescue MissionEIN 86-6057771 | Human Services | AZ | $13,554,905Large | 82.30 |
| Phoenix ZooEIN 86-0174843 | Animals | AZ | $27,229,784Large | 92.39 |
| Pico National NetworkEIN 94-2206497 | Community Development | CA | $16,391,482Large | 89.67 |
| Pine Street InnEIN 04-2516093 | Human Services | MA | $49,273,691Large | 89.69 |
| Pittsburgh Zoo & PPG AquariumEIN 25-1418766 | Animals | PA | $20,244,944Large | 92.87 |
| Plan International USAEIN 13-5661832 | International | RI | $63,784,709Large | 82.95 |
| Planet AidEIN 04-3348171 | Environment | MD | $40,116,928Large | 79.87 |
| Planned Parenthood California Central CoastEIN 95-2319356 | Health | CA | $15,587,708Large | 86.56 |
| Planned Parenthood Federation of AmericaEIN 13-1644147 | Health | NY | $317,843,167Large | 92.74 |
| Planned Parenthood Gulf CoastEIN 74-1100163 | Health | TX | $21,354,440Large | 87.28 |
| Planned Parenthood Hudson PeconicEIN 11-2454790 | Health | NY | $18,935,544Large | 84.44 |
| Planned Parenthood League of MassachusettsEIN 04-2698497 | Health | MA | $21,115,228Large | 89.35 |
| Planned Parenthood Los AngelesEIN 95-2408623 | Health | CA | $60,666,128Large | 85.17 |
| Planned Parenthood Mar MonteEIN 94-1583439 | Health | CA | $94,167,698Large | 88.68 |
| Planned Parenthood Minnesota, North Dakota, South DakotaEIN 41-0948382 | Health | MN | $43,739,711Large | 84.07 |
| Planned Parenthood of IllinoisEIN 36-2170901 | Health | IL | $28,246,958Large | 88.94 |
| Planned Parenthood of New York CityEIN 13-2621497 | Health | NY | $51,515,907Large | 92.72 |
| Planned Parenthood of Northern New EnglandEIN 03-0222941 | Health | VT | $22,044,666Large | 89.28 |
| Planned Parenthood of Orange and San Bernardino CountiesEIN 95-6152773 | Health | CA | $50,359,148Large | 91.50 |
| Planned Parenthood of South, East and North FloridaEIN 59-1391115 | Health | FL | $15,467,503Large | 89.17 |
| Planned Parenthood of Southern New EnglandEIN 06-0263565 | Health | CT | $32,788,894Large | 87.46 |
| Planned Parenthood of Southwest & Central FloridaEIN 59-1274328 | Health | FL | $16,643,546Large | 95.47 |
| Planned Parenthood of the Great Northwest and the Hawaiian IslandsEIN 91-0686012 | Health | WA | $47,603,788Large | 82.00 |
| Planned Parenthood of WisconsinEIN 39-0863391 | Health | WI | $27,521,749Large | 81.78 |
| Planned Parenthood Southeastern PennsylvaniaEIN 23-1352509 | Health | PA | $18,383,155Large | 86.18 |
| Playhouse Square FoundationEIN 23-7304942 | Arts, Culture, Humanities | OH | $60,387,479Large | 89.94 |
| PlayworksEIN 94-3251867 | Education | CA | $42,345,360Large | 86.11 |
| Plymouth Housing GroupEIN 91-1122621 | Community Development | WA | $22,131,873Large | 92.24 |
| Points of LightEIN 65-0206641 | Human Services | GA | $23,441,027Large | 77.58 |
| Population CouncilEIN 13-1687001 | Health | NY | $85,432,557Large | 86.68 |
| Portland Art MuseumEIN 93-0391604 | Arts, Culture, Humanities | OR | $16,866,878Large | 89.68 |
| Pratham USAEIN 76-0620808 | Education | TX | $16,798,773Large | 98.23 |
| Presbyterian Children's Homes and Services of Texas and LouisianaEIN 75-0818172 | Human Services | TX | $15,910,318Large | 95.17 |
| Princeton Area Community FoundationEIN 52-1746234 | Community Development | NJ | $18,288,898Large | 97.17 |
| Prison Fellowship MinistriesEIN 62-0988294 | Religion | VA | $37,459,967Large | 75.58 |
| Project C.U.R.E.EIN 84-1568566 | International | CO | $73,194,460Large | 94.74 |
| Project Concern InternationalEIN 95-2248462 | International | CA | $64,719,220Large | 89.39 |
| Project HOMEEIN 23-2555950 | Human Services | PA | $27,453,247Large | 93.62 |