| Museum of the City of New YorkEIN 13-1624098 | Arts, Culture, Humanities | NY | $21,990,267Large | 93.58 |
| Museum of the Shenandoah ValleyEIN 54-1857973 | Arts, Culture, Humanities | VA | $5,590,733Mid-sized | 96.74 |
| Music Academy of the WestEIN 95-1525814 | Education | CA | $10,929,662Mid-sized | 92.89 |
| MusiCaresEIN 95-4470909 | Arts, Culture, Humanities | CA | $9,815,849Mid-sized | 91.73 |
| MUST MinistriesEIN 58-2034725 | Human Services | GA | $8,989,038Mid-sized | 94.33 |
| Mustard Seed CommunitiesEIN 58-1657207 | International | MA | $4,780,213Mid-sized | 98.23 |
| Mustard Seed of Central FloridaEIN 59-2906383 | Human Services | FL | $1,528,121Small | 95.31 |
| MuttvilleEIN 26-0416747 | Animals | CA | $2,332,186Small | 95.50 |
| My Brother's KeeperEIN 04-3088412 | Human Services | MA | $4,044,691Mid-sized | 91.02 |
| My Friend's PlaceEIN 95-4834034 | Human Services | CA | $1,932,709Small | 94.34 |
| My Sister's PlaceEIN 52-1263256 | Human Services | DC | $1,983,322Small | 90.63 |
| My Stuff Bags FoundationEIN 95-4671812 | Human Services | CA | $2,673,000Small | 100.00 |
| myFaceEIN 13-6013760 | Health | NY | $3,618,719Mid-sized | 91.74 |
| N Street VillageEIN 52-1007373 | Human Services | DC | $7,693,664Mid-sized | 93.54 |
| NAACP Legal Defense and Educational FundEIN 13-1655255 | Human and Civil Rights | NY | $17,005,637Large | 92.31 |
| NAFEIN 13-3480246 | Education | NY | $19,066,788Large | 93.92 |
| NAMIEIN 43-1201653 | Health | VA | $13,730,128Large | 93.26 |
| NAMI MinnesotaEIN 41-1317030 | Health | MN | $1,965,443Small | 92.36 |
| Nantucket Boys & Girls ClubEIN 04-6114678 | Human Services | MA | $2,259,695Small | 90.74 |
| Nantucket Community SailingEIN 04-3252612 | Human Services | MA | $1,239,796Small | 92.12 |
| NARAL Pro-Choice America FoundationEIN 52-1100361 | Human and Civil Rights | DC | $7,808,947Mid-sized | 96.66 |
| Nashville Humane AssociationEIN 62-0672999 | Animals | TN | $2,441,216Small | 93.86 |
| Nashville Public Education FoundationEIN 48-1266314 | Education | TN | $2,081,628Small | 91.31 |
| Nashville Public Library FoundationEIN 62-1681766 | Arts, Culture, Humanities | TN | $3,316,506Small | 91.78 |
| Nashville ZooEIN 62-1411210 | Animals | TN | $14,140,736Large | 98.99 |
| National Ability CenterEIN 94-3025807 | Human Services | UT | $6,238,931Mid-sized | 92.45 |
| National Abortion FederationEIN 43-1097957 | Human and Civil Rights | DC | $7,494,407Mid-sized | 96.66 |
| National Alliance to End HomelessnessEIN 52-1299641 | Human Services | DC | $4,134,436Mid-sized | 91.42 |
| National Alopecia Areata FoundationEIN 94-2780249 | Health | CA | $2,589,154Small | 93.29 |
| National Ataxia FoundationEIN 41-0832903 | Health | MN | $2,148,024Small | 90.71 |
| National Audubon SocietyEIN 13-1624102 | Environment | NY | $104,107,085Large | 92.44 |
| National AviaryEIN 25-1667146 | Animals | PA | $6,130,917Mid-sized | 90.73 |
| National Center for Families LearningEIN 61-1159549 | Education | KY | $6,510,923Mid-sized | 90.52 |
| National Center for Learning DisabilitiesEIN 13-2899381 | Education | NY | $9,118,243Mid-sized | 95.47 |
| National Center for Youth LawEIN 94-2506933 | Human and Civil Rights | CA | $6,884,801Mid-sized | 95.25 |
| National Civil Rights MuseumEIN 58-1484027 | Arts, Culture, Humanities | TN | $9,276,122Mid-sized | 90.61 |
| National Coalition Against CensorshipEIN 13-3197949 | Human and Civil Rights | NY | $883,420Small | 95.93 |
| National Coalition Against Domestic ViolenceEIN 91-1081344 | Human and Civil Rights | CO | $1,085,257Small | 94.36 |
| National Consumer Law CenterEIN 04-2488502 | Human and Civil Rights | MA | $8,365,127Mid-sized | 90.64 |
| National Council for the Traditional ArtsEIN 52-0847374 | Arts, Culture, Humanities | MD | $1,652,505Small | 92.02 |
| National Council of Jewish Women, Essex County SectionEIN 22-1687993 | Human Services | NJ | $1,260,272Small | 90.06 |
| National Council of Jewish Women, New York SectionEIN 13-1624132 | Human Services | NY | $1,739,702Small | 90.11 |
| National Council of YMCAs of the USAEIN 36-3258696 | Human Services | IL | $136,856,789Large | 94.57 |
| National Council on US-Arab RelationsEIN 52-1296502 | International | DC | $1,630,801Small | 94.34 |
| National Disaster Search Dog FoundationEIN 77-0412509 | Animals | CA | $5,478,026Mid-sized | 92.51 |
| National Eating Disorders AssociationEIN 13-3444882 | Health | NY | $3,619,563Mid-sized | 91.49 |
| National Employment Law ProjectEIN 13-2758558 | Research and Public Policy | NY | $8,569,143Mid-sized | 92.22 |
| National Environmental Education FoundationEIN 54-1557043 | Environment | DC | $3,621,403Mid-sized | 90.40 |
| National Fallen Firefighters FoundationEIN 52-1832634 | Human Services | MD | $5,723,356Mid-sized | 90.81 |
| National Family Planning & Reproductive Health AssociationEIN 23-7323629 | Human and Civil Rights | DC | $4,644,303Mid-sized | 90.28 |
| National Fish and Wildlife FoundationEIN 52-1384139 | Animals | DC | $302,313,179Large | 90.94 |
| National Forest FoundationEIN 52-1786332 | Environment | MT | $13,645,766Large | 93.66 |
| National Foundation for Infectious DiseasesEIN 23-7198530 | Health | MD | $2,560,704Small | 94.81 |
| National Foundation for TransplantsEIN 58-1527254 | Health | TN | $3,529,484Mid-sized | 90.69 |
| National Guild for Community Arts EducationEIN 13-6161108 | Arts, Culture, Humanities | NY | $1,712,620Small | 95.80 |
| National Health Law ProgramEIN 95-3080947 | Human and Civil Rights | DC | $6,046,995Mid-sized | 91.32 |
| National Hemophilia FoundationEIN 13-5641857 | Health | NY | $20,576,103Large | 94.84 |
| National Immigration ForumEIN 13-1776711 | Human and Civil Rights | DC | $5,252,897Mid-sized | 94.07 |
| National Immigration Law CenterEIN 95-4539765 | Human and Civil Rights | CA | $7,594,609Mid-sized | 95.50 |
| National Institute for Reproductive HealthEIN 13-3030257 | Human and Civil Rights | NY | $5,627,513Mid-sized | 95.58 |