| The Massachusetts Historical SocietyEIN 04-2108374 | Arts, Culture, Humanities | MA | $6,102,179Mid-sized | 83.10 |
| The McGaw YMCAEIN 36-2169194 | Human Services | IL | $17,470,946Large | 89.81 |
| The Mentoring AllianceEIN 75-2541408 | Human Services | TX | $3,092,339Small | 86.27 |
| The Metropolitan Opera GuildEIN 13-1681983 | Arts, Culture, Humanities | NY | $11,808,977Mid-sized | 83.84 |
| The Middle East Media Research InstituteEIN 52-2068483 | International | DC | $5,903,271Mid-sized | 89.74 |
| The Mission at Kern CountyEIN 95-1890705 | Human Services | CA | $4,091,592Mid-sized | 83.89 |
| The Morgan Library & MuseumEIN 13-1624146 | Arts, Culture, Humanities | NY | $25,933,283Large | 87.87 |
| The MountEIN 04-2666846 | Arts, Culture, Humanities | MA | $2,021,432Small | 87.85 |
| The Mountain InstituteEIN 55-0541323 | Environment | DC | $2,301,129Small | 80.82 |
| The Museum of Contemporary Art, Los AngelesEIN 95-3433820 | Arts, Culture, Humanities | CA | $20,004,107Large | 88.87 |
| The Museum of Fine Arts, HoustonEIN 74-1109655 | Arts, Culture, Humanities | TX | $93,408,860Large | 88.15 |
| The Mustard SeedEIN 64-0652510 | Human Services | MS | $1,279,530Small | 86.29 |
| The NASCAR FoundationEIN 30-0337745 | Education | FL | $3,140,329Small | 84.21 |
| The Nation InstituteEIN 13-6216903 | Arts, Culture, Humanities | NY | $3,820,229Mid-sized | 89.39 |
| The National Academy Museum and School of Fine ArtsEIN 13-1628183 | Arts, Culture, Humanities | NY | $4,058,007Mid-sized | 80.38 |
| The National Centre for Padre PioEIN 23-1897941 | Religion | PA | $1,210,838Small | 82.75 |
| The National Italian American FoundationEIN 52-1071723 | Human and Civil Rights | DC | $4,799,050Mid-sized | 89.00 |
| The Nature Center at Shaker LakesEIN 34-6576569 | Environment | OH | $1,349,517Small | 87.76 |
| The Nature ConservancyEIN 53-0242652 | Environment | VA | $829,488,331Large | 84.06 |
| The Negev FoundationEIN 34-1690546 | International | OH | $471,259Small | 81.08 |
| The Neighborhood Christian ClinicEIN 86-0839580 | Health | AZ | $1,772,800Small | 88.93 |
| The New York City Gay & Lesbian Anti-Violence ProjectEIN 13-3149200 | Human and Civil Rights | NY | $3,370,423Small | 87.74 |
| The New York PopsEIN 13-3240366 | Arts, Culture, Humanities | NY | $2,366,786Small | 85.64 |
| The Newberry LibraryEIN 36-2167814 | Arts, Culture, Humanities | IL | $11,662,352Mid-sized | 83.79 |
| The Next DoorEIN 43-2001774 | Human Services | TN | $9,444,732Mid-sized | 87.38 |
| The NOCCA InstituteEIN 72-0972102 | Arts, Culture, Humanities | LA | $2,499,413Small | 89.93 |
| The Notah Begay III FoundationEIN 20-1870330 | Health | NM | $2,523,412Small | 86.84 |
| The Omaha Home for BoysEIN 47-0376529 | Human Services | NE | $9,890,092Mid-sized | 86.52 |
| The Opportunity NetworkEIN 43-1984494 | Education | NY | $4,400,496Mid-sized | 89.50 |
| The Pachamama AllianceEIN 94-3249793 | Environment | CA | $4,472,329Mid-sized | 84.64 |
| The Painted TurtleEIN 95-4612481 | Health | CA | $6,937,797Mid-sized | 89.83 |
| The Paley Center for MediaEIN 13-2805582 | Arts, Culture, Humanities | NY | $20,236,116Large | 83.96 |
| The Parenting CenterEIN 23-7454254 | Human Services | TX | $2,141,427Small | 89.30 |
| The Parenting JourneyEIN 04-2771011 | Human Services | MA | $2,045,064Small | 83.95 |
| The Park PeopleEIN 84-6045624 | Environment | CO | $1,289,591Small | 86.10 |
| The Parrish Art MuseumEIN 11-1782495 | Arts, Culture, Humanities | NY | $6,095,274Mid-sized | 86.23 |
| The Pav YMCAEIN 36-2702522 | Human Services | IL | $2,826,602Small | 82.97 |
| The Periwinkle FoundationEIN 76-0093914 | Health | TX | $1,461,552Small | 88.07 |
| The Philadelphia OrchestraEIN 23-1352289 | Arts, Culture, Humanities | PA | $50,597,401Large | 82.16 |
| The Phillips CollectionEIN 53-0204620 | Arts, Culture, Humanities | DC | $13,559,889Large | 86.75 |
| The Pittsburgh Cultural TrustEIN 25-1469002 | Arts, Culture, Humanities | PA | $60,047,764Large | 89.13 |
| The Pittsburgh ProjectEIN 25-1594578 | Community Development | PA | $2,004,493Small | 85.00 |
| The Pocket Testament LeagueEIN 22-1616250 | Religion | PA | $3,570,748Mid-sized | 86.79 |
| The Polly Hill ArboretumEIN 13-3873765 | Environment | MA | $1,509,918Small | 89.60 |
| The Pope Memorial SPCA of Concord-Merrimack CountyEIN 02-0239801 | Animals | NH | $945,385Small | 80.01 |
| The Posse FoundationEIN 13-3840394 | Education | NY | $22,609,348Large | 89.18 |
| The Public Education FoundationEIN 88-0275767 | Education | NV | $8,656,751Mid-sized | 88.53 |
| The Public Theater/New York Shakespeare FestivalEIN 13-1844852 | Arts, Culture, Humanities | NY | $43,034,852Large | 89.24 |
| The Ragdale FoundationEIN 36-2937927 | Arts, Culture, Humanities | IL | $1,090,755Small | 82.16 |
| The Rams ClubEIN 56-6058412 | Education | NC | $50,463,082Large | 88.22 |
| The Renaissance Society at the University of ChicagoEIN 36-6109822 | Arts, Culture, Humanities | IL | $1,458,153Small | 86.70 |
| The Repertory Theatre of St. LouisEIN 43-0970273 | Arts, Culture, Humanities | MO | $8,760,634Mid-sized | 86.24 |
| The Rescue Mission, TacomaEIN 91-0565014 | Human Services | WA | $6,340,392Mid-sized | 89.88 |
| The Royal Oak FoundationEIN 23-7349380 | Arts, Culture, Humanities | NY | $1,974,042Small | 84.85 |
| The Rutherford InstituteEIN 52-1267484 | Human and Civil Rights | VA | $1,122,069Small | 81.64 |
| The San Diego FoundationEIN 95-2942582 | Community Development | CA | $62,750,165Large | 86.93 |
| The San Diego LGBT Community CenterEIN 23-7332048 | Human and Civil Rights | CA | $5,914,366Mid-sized | 89.51 |
| The Santa Fe OperaEIN 85-0131810 | Arts, Culture, Humanities | NM | $26,057,135Large | 86.72 |
| The School of American BalletEIN 13-1275970 | Arts, Culture, Humanities | NY | $15,413,167Large | 89.14 |
| The Schubert ClubEIN 41-0945277 | Arts, Culture, Humanities | MN | $2,098,558Small | 88.61 |