| Mobile Symphony OrchestraEIN 23-7070234 | Arts, Culture, Humanities | AL | $1,771,327Small | 70.16 |
| Mobius SpokaneEIN 91-1694299 | Arts, Culture, Humanities | WA | $1,677,935Small | 71.83 |
| Montana Environmental Information CenterEIN 23-7337100 | Environment | MT | $527,862Small | 74.50 |
| Monterey Museum of ArtEIN 94-1534563 | Arts, Culture, Humanities | CA | $1,881,784Small | 72.36 |
| Monterey SymphonyEIN 94-1584123 | Arts, Culture, Humanities | CA | $1,891,052Small | 79.99 |
| Morning Star DevelopmentEIN 54-2086318 | International | CO | $1,322,993Small | 73.40 |
| Motor Racing OutreachEIN 58-1859610 | Religion | NC | $2,104,717Small | 78.75 |
| Mount Sinai Medical Center FoundationEIN 59-1711400 | Health | FL | $5,220,734Mid-sized | 71.34 |
| Mountain States Legal FoundationEIN 84-0736725 | Human and Civil Rights | CO | $2,497,281Small | 78.73 |
| MountainfilmEIN 84-1271056 | Arts, Culture, Humanities | CO | $1,909,898Small | 74.18 |
| Ms. Foundation for WomenEIN 23-7252609 | Human and Civil Rights | NY | $7,138,935Mid-sized | 79.00 |
| Multiple Sclerosis FoundationEIN 59-2792934 | Health | FL | $7,701,261Mid-sized | 75.54 |
| Museum of African American HistoryEIN 04-2429556 | Arts, Culture, Humanities | MA | $2,130,789Small | 73.24 |
| Museum of American FinanceEIN 13-3540880 | Arts, Culture, Humanities | NY | $4,447,277Mid-sized | 78.86 |
| Museum of Ventura CountyEIN 95-1942930 | Arts, Culture, Humanities | CA | $1,611,024Small | 78.87 |
| Music Conservatory of WestchesterEIN 13-6007082 | Education | NY | $2,941,062Small | 76.63 |
| Music Hall Center for the Performing ArtsEIN 38-2019397 | Arts, Culture, Humanities | MI | $5,438,374Mid-sized | 71.28 |
| Mystic SeaportEIN 06-0653120 | Arts, Culture, Humanities | CT | $19,600,119Large | 79.46 |
| Nashville Repertory TheatreEIN 62-1811578 | Arts, Culture, Humanities | TN | $1,492,347Small | 73.69 |
| National Action Council for Minorities in EngineeringEIN 52-1190664 | Education | NY | $4,207,670Mid-sized | 79.02 |
| National Association for the Advancement of Colored PeopleEIN 13-1084135 | Human and Civil Rights | MD | $24,828,336Large | 75.18 |
| National Association of Chiefs of PoliceEIN 59-1164090 | Human Services | FL | $3,647,564Mid-sized | 77.64 |
| National Association of Free and Charitable ClinicsEIN 56-2273242 | Health | VA | $1,406,409Small | 79.43 |
| National Automobile Dealers Charitable FoundationEIN 54-1008060 | Human Services | VA | $1,843,364Small | 74.31 |
| National Braille PressEIN 04-2104740 | Human Services | MA | $4,055,854Mid-sized | 79.76 |
| National Brain Tumor SocietyEIN 04-3068130 | Health | MA | $8,536,282Mid-sized | 77.82 |
| National Center for Lesbian RightsEIN 94-3086885 | Human and Civil Rights | CA | $4,861,287Mid-sized | 79.03 |
| National Coalition for Cancer SurvivorshipEIN 85-0357897 | Research and Public Policy | MD | $2,005,063Small | 78.86 |
| National Coalition Supporting Eurasian JewryEIN 13-2700517 | Religion | DC | $899,137Small | 74.50 |
| National Committee for the Furtherance of Jewish EducationEIN 11-6003180 | Religion | NY | $5,583,698Mid-sized | 78.70 |
| National Defense University FoundationEIN 52-1268692 | Research and Public Policy | DC | $495,880Small | 71.81 |
| National Fire Safety CouncilEIN 38-2292422 | Education | MI | $2,954,232Small | 79.79 |
| National Football FoundationEIN 22-1508812 | Human Services | TX | $3,117,017Small | 75.25 |
| National Gaucher FoundationEIN 52-1350226 | Health | MD | $3,545,926Mid-sized | 76.07 |
| National Guard Youth FoundationEIN 54-1940978 | Education | DC | $839,227Small | 79.95 |
| National Iranian American CouncilEIN 73-1626026 | Human and Civil Rights | DC | $997,845Small | 76.74 |
| National Kidney Foundation of ArizonaEIN 86-6052343 | Health | AZ | $1,886,256Small | 75.55 |
| National Kidney Foundation of MarylandEIN 52-6069952 | Health | MD | $1,319,432Small | 76.03 |
| National LGBTQ Task ForceEIN 52-1624852 | Human and Civil Rights | DC | $7,286,554Mid-sized | 78.51 |
| National Museum of American Jewish HistoryEIN 23-7379280 | Arts, Culture, Humanities | PA | $14,057,241Large | 74.62 |
| National Museum of Racing and Hall of FameEIN 14-1421321 | Arts, Culture, Humanities | NY | $1,933,410Small | 73.89 |
| National Police Defense FoundationEIN 13-3830191 | Human Services | NJ | $717,465Small | 72.55 |
| National Right to Life Educational Trust FundEIN 52-1241126 | Human and Civil Rights | DC | $1,940,569Small | 70.05 |
| National Steinbeck CenterEIN 77-0006320 | Arts, Culture, Humanities | CA | $751,752Small | 74.55 |
| National Trust for Historic PreservationEIN 53-0210807 | Arts, Culture, Humanities | DC | $48,392,459Large | 79.88 |
| National Underground Railroad Freedom CenterEIN 31-1436217 | Arts, Culture, Humanities | OH | $5,965,065Mid-sized | 79.31 |
| National WASP WWII MuseumEIN 56-2326843 | Arts, Culture, Humanities | TX | $1,185,778Small | 70.69 |
| National Wrestling Coaches AssociationEIN 42-1479687 | Human Services | PA | $1,783,362Small | 75.72 |
| Native Seeds/SEARCHEIN 94-2899356 | Environment | AZ | $1,068,375Small | 78.07 |
| Navajo MinistriesEIN 85-0113191 | Human Services | NM | $1,197,117Small | 77.00 |
| NC WARNEIN 56-1734433 | Environment | NC | $1,625,630Small | 75.89 |
| Negative Population GrowthEIN 46-4868482 | Research and Public Policy | VA | $816,014Small | 78.66 |
| Neighbor For NeighborEIN 73-0776404 | Human Services | OK | $2,754,735Small | 72.21 |
| Network KnowledgeEIN 37-1019920 | Arts, Culture, Humanities | IL | $2,662,550Small | 76.46 |
| New DetroitEIN 38-6159215 | Human and Civil Rights | MI | $1,571,032Small | 78.31 |
| New Hampshire Association for the BlindEIN 02-0223606 | Human Services | NH | $2,277,668Small | 79.04 |
| New Life Advance InternationalEIN 36-3289672 | Religion | TX | $1,381,520Small | 77.63 |
| New Life MinistriesEIN 75-2785010 | Religion | CA | $7,629,878Mid-sized | 74.98 |
| New Orleans Ballet AssociationEIN 23-7122403 | Arts, Culture, Humanities | LA | $1,594,263Small | 71.13 |
| New Orleans Jazz OrchestraEIN 71-0919866 | Arts, Culture, Humanities | LA | $971,252Small | 72.47 |