| Planned Parenthood Southeastern PennsylvaniaEIN 23-1352509 | Health | PA | $18,383,155Large | 86.18 |
| Plant With PurposeEIN 33-0052976 | International | CA | $4,383,009Mid-sized | 89.20 |
| Planting Fields FoundationEIN 11-1770097 | Environment | NY | $2,404,069Small | 87.56 |
| Playhouse Square FoundationEIN 23-7304942 | Arts, Culture, Humanities | OH | $60,387,479Large | 89.94 |
| PlayworksEIN 94-3251867 | Education | CA | $42,345,360Large | 86.11 |
| Playwrights HorizonsEIN 13-2805131 | Arts, Culture, Humanities | NY | $12,688,674Mid-sized | 88.18 |
| Please Touch MuseumEIN 23-2109376 | Arts, Culture, Humanities | PA | $8,066,632Mid-sized | 84.26 |
| Plymouth Christian Youth CenterEIN 41-0794440 | Human Services | MN | $4,167,506Mid-sized | 88.84 |
| Poets & WritersEIN 13-2682458 | Arts, Culture, Humanities | NY | $4,077,742Mid-sized | 85.25 |
| Polar Bears InternationalEIN 77-0322706 | Animals | MT | $1,642,353Small | 86.52 |
| Police Athletic League of PhiladelphiaEIN 23-1507837 | Human Services | PA | $3,407,234Small | 87.25 |
| Police Unity TourEIN 22-3530541 | Human Services | NJ | $3,980,580Mid-sized | 88.22 |
| PolicyLinkEIN 94-3297479 | Research and Public Policy | CA | $12,167,006Mid-sized | 88.22 |
| Pollinator PartnershipEIN 94-3283967 | Animals | CA | $1,072,782Small | 84.42 |
| Population CouncilEIN 13-1687001 | Health | NY | $85,432,557Large | 86.68 |
| Population Reference BureauEIN 53-0214030 | Research and Public Policy | DC | $9,157,354Mid-sized | 89.86 |
| Port Discovery Children's MuseumEIN 52-1806933 | Arts, Culture, Humanities | MD | $4,505,453Mid-sized | 86.15 |
| Portland Art MuseumEIN 93-0391604 | Arts, Culture, Humanities | OR | $16,866,878Large | 89.68 |
| Portland Museum of ArtEIN 01-0378420 | Arts, Culture, Humanities | ME | $7,220,372Mid-sized | 87.89 |
| Portland OperaEIN 93-6034321 | Arts, Culture, Humanities | OR | $7,109,987Mid-sized | 86.48 |
| Positive Coaching AllianceEIN 77-0485946 | Human Services | CA | $11,651,421Mid-sized | 89.88 |
| Positive Futures Network (YES! Magazine)EIN 91-1715916 | Arts, Culture, Humanities | WA | $2,114,623Small | 85.99 |
| Potter Children's Home & Family MinistriesEIN 61-0458379 | Human Services | KY | $2,153,493Small | 81.69 |
| Potter League for AnimalsEIN 05-0301553 | Animals | RI | $2,005,372Small | 84.48 |
| PowerPoint MinistriesEIN 75-2534680 | Religion | TX | $5,223,113Mid-sized | 81.17 |
| Prader-Willi Syndrome Association (USA)EIN 41-1306908 | Health | FL | $1,917,524Small | 84.42 |
| Precept Ministries InternationalEIN 62-0841438 | Religion | TN | $11,730,640Mid-sized | 81.08 |
| Pregnancy Decision Health CentersEIN 31-1002913 | Health | OH | $1,362,244Small | 80.85 |
| Pregnancy Resource CenterEIN 38-2591608 | Health | MI | $2,042,964Small | 83.44 |
| Presbyterian Home for Children, ALEIN 63-0307953 | Human Services | AL | $2,403,136Small | 83.17 |
| Presbyterian Medical Care MissionEIN 75-1910600 | Health | TX | $8,735,222Mid-sized | 89.48 |
| Preservation Trust of VermontEIN 03-0281195 | Arts, Culture, Humanities | VT | $2,651,411Small | 84.04 |
| Preservation VirginiaEIN 54-0568800 | Arts, Culture, Humanities | VA | $3,746,830Mid-sized | 86.84 |
| Prevent BlindnessEIN 36-3667121 | Health | IL | $10,604,924Mid-sized | 89.68 |
| Prevent Child Abuse North CarolinaEIN 58-1366718 | Human Services | NC | $1,582,560Small | 86.65 |
| Preventive Cardiovascular Nurses AssociationEIN 39-1804895 | Health | WI | $2,075,872Small | 84.04 |
| Priests for LifeEIN 94-3123315 | Human and Civil Rights | FL | $12,821,177Mid-sized | 86.73 |
| Princess Grace Foundation-USAEIN 23-2218331 | Arts, Culture, Humanities | NY | $2,400,160Small | 87.04 |
| Priority-1EIN 95-4118740 | Religion | NY | $3,263,314Small | 84.26 |
| PRISMEIN 41-1442049 | Human Services | MN | $2,491,766Small | 83.37 |
| Prison Fellowship InternationalEIN 51-0247185 | Religion | DC | $6,323,282Mid-sized | 87.13 |
| Pro Kids Golf AcademyEIN 33-0617741 | Education | CA | $2,426,094Small | 82.87 |
| Pro-Life Action LeagueEIN 36-3081086 | Human and Civil Rights | IL | $929,376Small | 84.36 |
| Produce for Better Health FoundationEIN 51-0334897 | Research and Public Policy | MO | $2,263,416Small | 86.85 |
| Progressive Agriculture FoundationEIN 63-1166618 | Human Services | AL | $2,833,960Small | 85.55 |
| Project ALSEIN 13-4019464 | Health | NY | $5,325,775Mid-sized | 89.02 |
| Project Concern InternationalEIN 95-2248462 | International | CA | $64,719,220Large | 89.39 |
| Project for Public SpacesEIN 13-2808114 | Environment | NY | $4,480,337Mid-sized | 83.89 |
| Project GRAD HoustonEIN 76-0450397 | Education | TX | $3,051,187Small | 80.84 |
| Project GRAD Los AngelesEIN 95-4724314 | Education | CA | $2,884,839Small | 88.22 |
| Project HOPEEIN 53-0242962 | International | VA | $99,239,752Large | 83.84 |
| Project InformEIN 94-3052723 | Health | CA | $1,906,563Small | 81.60 |
| Project Lead The WayEIN 14-1816385 | Education | IN | $40,239,525Large | 86.60 |
| Project MedSendEIN 75-2470543 | Religion | CT | $2,478,422Small | 88.53 |
| Project MercyEIN 35-1410753 | International | IN | $1,791,239Small | 83.41 |
| Project Open HandEIN 94-3023551 | Human Services | CA | $11,701,451Mid-sized | 85.66 |
| Project PatchEIN 93-0929618 | Human Services | WA | $2,424,866Small | 83.37 |
| Project Vote SmartEIN 85-0364261 | Human and Civil Rights | IA | $1,545,665Small | 86.04 |
| Prospect Park AllianceEIN 11-2843763 | Environment | NY | $9,890,402Mid-sized | 83.78 |
| Proverbs 31 MinistriesEIN 56-1989197 | Religion | NC | $5,400,668Mid-sized | 89.41 |