| New York Academy of SciencesEIN 13-1773640 | Research and Public Policy | NY | $23,915,742Large | 78.38 |
| New York Landmarks ConservancyEIN 23-7181785 | Arts, Culture, Humanities | NY | $3,654,178Mid-sized | 77.12 |
| New York Public Interest Research Group FundEIN 13-2876109 | Research and Public Policy | NY | $4,153,765Mid-sized | 78.50 |
| New York State Sheriffs' Association InstituteEIN 22-2272582 | Human Services | NY | $2,575,460Small | 76.36 |
| New York Studio SchoolEIN 13-6167281 | Education | NY | $2,505,997Small | 79.11 |
| Newport Art Museum EIN 05-0258803 | Arts, Culture, Humanities | RI | $1,789,203Small | 78.56 |
| Newport Historical SocietyEIN 05-0264532 | Arts, Culture, Humanities | RI | $1,148,908Small | 71.32 |
| Nicky Cruz OutreachEIN 56-1079122 | Religion | CO | $693,371Small | 70.77 |
| Noah's Ark Animal SanctuaryEIN 58-1909303 | Animals | GA | $2,552,216Small | 78.71 |
| Nonprofit Leadership AllianceEIN 44-0546869 | Education | MO | $1,684,187Small | 76.44 |
| Nora Lam Chinese Ministries InternationalEIN 23-7418355 | Religion | CA | $7,806,265Mid-sized | 70.72 |
| Nordic Heritage MuseumEIN 91-1107537 | Arts, Culture, Humanities | WA | $2,496,616Small | 74.74 |
| Northeast Sustainable Energy AssociationEIN 23-7437161 | Environment | MA | $1,399,599Small | 74.96 |
| Northeastern Pennsylvania Philharmonic SocietyEIN 23-1855655 | Arts, Culture, Humanities | PA | $982,939Small | 73.85 |
| Northlands Rescue MissionEIN 45-0251562 | Human Services | ND | $1,629,160Small | 76.59 |
| Northwest Indiana Public BroadcastingEIN 31-0960136 | Arts, Culture, Humanities | IN | $3,201,669Small | 73.48 |
| Occidental Arts and Ecology CenterEIN 68-0359676 | Environment | CA | $1,944,634Small | 77.79 |
| Ocean AllianceEIN 22-2573677 | Animals | MA | $765,223Small | 75.38 |
| Ocean Research & Conservation AssociationEIN 20-0901011 | Environment | FL | $1,613,797Small | 72.08 |
| Ohr Somayach InternationalEIN 13-3503155 | Religion | NY | $4,063,985Mid-sized | 70.25 |
| Ojai Music FestivalEIN 95-2122508 | Arts, Culture, Humanities | CA | $1,980,707Small | 79.08 |
| Oklahoma City Boathouse FoundationEIN 20-1837237 | Human Services | OK | $11,652,313Mid-sized | 78.06 |
| Oklahoma Contemporary Arts CenterEIN 73-1334271 | Arts, Culture, Humanities | OK | $2,546,424Small | 77.84 |
| Oklahoma Council of Public AffairsEIN 73-1436375 | Research and Public Policy | OK | $2,173,852Small | 75.57 |
| Old Savannah City MissionEIN 31-1810829 | Human Services | GA | $1,200,200Small | 71.74 |
| Olympia Union Gospel MissionEIN 91-1680748 | Human Services | WA | $1,823,684Small | 70.48 |
| One Way FarmEIN 31-0926233 | Human Services | OH | $1,308,959Small | 78.86 |
| Open Air Campaigners-USAEIN 36-2420024 | Religion | PA | $1,402,536Small | 78.77 |
| Open Door MinistriesEIN 56-1576543 | Human Services | NC | $1,696,558Small | 74.89 |
| Opera ColoradoEIN 84-0850527 | Arts, Culture, Humanities | CO | $4,098,622Mid-sized | 74.02 |
| Opera Company of PhiladelphiaEIN 23-1504706 | Arts, Culture, Humanities | PA | $14,101,013Large | 78.76 |
| Orpheus Chamber OrchestraEIN 23-7362572 | Arts, Culture, Humanities | NY | $2,993,130Small | 78.95 |
| Pacific Islanders in CommunicationsEIN 99-0293514 | Arts, Culture, Humanities | HI | $1,483,812Small | 79.39 |
| Pacific Research InstituteEIN 94-2528433 | Research and Public Policy | CA | $6,339,545Mid-sized | 79.47 |
| Paleontological Research InstitutionEIN 15-0554849 | Arts, Culture, Humanities | NY | $2,561,752Small | 78.74 |
| Palm Springs Art MuseumEIN 95-1809576 | Arts, Culture, Humanities | CA | $12,050,122Mid-sized | 78.26 |
| Paralyzed Veterans of AmericaEIN 13-1946868 | Human and Civil Rights | DC | $105,443,694Large | 72.57 |
| Parenting Now!EIN 93-0706557 | Human Services | OR | $1,212,644Small | 78.88 |
| Parents Television CouncilEIN 95-4819071 | Human Services | CA | $2,193,488Small | 75.49 |
| Park City InstituteEIN 87-0513186 | Arts, Culture, Humanities | UT | $3,379,104Small | 71.28 |
| Parkinson's Institute and Clinical CenterEIN 94-3061594 | Health | CA | $8,641,345Mid-sized | 75.52 |
| Partners for Sacred PlacesEIN 23-2560361 | Arts, Culture, Humanities | PA | $1,836,122Small | 78.32 |
| Partners Relief and DevelopmentEIN 22-3786806 | International | CO | $3,120,225Small | 77.45 |
| Partnership for After School EducationEIN 13-3976066 | Education | NY | $1,598,182Small | 79.17 |
| Partnership for the HomelessEIN 13-3732698 | Human Services | NY | $3,739,289Mid-sized | 79.55 |
| Patriot Paws Service DogsEIN 04-3815107 | Animals | TX | $1,602,158Small | 79.95 |
| Peace FirstEIN 04-3323467 | Human Services | MA | $1,722,426Small | 79.58 |
| Peacemaker MinistriesEIN 36-3206639 | Religion | WA | $264,494Small | 71.71 |
| PeerForwardEIN 52-2007028 | Education | DC | $7,527,116Mid-sized | 79.21 |
| PENCILEIN 22-3384302 | Education | NY | $2,883,792Small | 78.58 |
| Pendle HillEIN 23-1352255 | Religion | PA | $2,457,306Small | 78.55 |
| People for BikesEIN 20-4306888 | Research and Public Policy | CO | $2,410,168Small | 75.64 |
| Pet HelpersEIN 57-0802283 | Animals | SC | $1,695,746Small | 73.66 |
| Phipps Center for the ArtsEIN 39-1360778 | Arts, Culture, Humanities | WI | $1,446,489Small | 73.52 |
| Phoenix Art MuseumEIN 86-0072608 | Arts, Culture, Humanities | AZ | $11,109,601Mid-sized | 77.95 |
| Pilchuck Glass SchoolEIN 91-0963132 | Education | WA | $3,122,448Small | 75.73 |
| Pilgrim AfricaEIN 81-0661745 | International | WA | $2,558,225Small | 78.62 |
| PILnetEIN 20-5087783 | Human and Civil Rights | NY | $2,197,652Small | 79.59 |
| Pinchot Institute for ConservationEIN 52-1935342 | Environment | DC | $1,567,804Small | 77.83 |
| Planet AidEIN 04-3348171 | Environment | MD | $40,116,928Large | 79.87 |