| National Civil Rights MuseumEIN 58-1484027 | Arts, Culture, Humanities | TN | $9,276,122Mid-sized | 90.61 |
| National College Access NetworkEIN 31-1793562 | Education | DC | $4,051,455Mid-sized | 88.22 |
| National Committee for the Furtherance of Jewish EducationEIN 11-6003180 | Religion | NY | $5,583,698Mid-sized | 78.70 |
| National Committee on United States-China RelationsEIN 13-2566973 | International | NY | $4,818,519Mid-sized | 85.18 |
| National Consumer Law CenterEIN 04-2488502 | Human and Civil Rights | MA | $8,365,127Mid-sized | 90.64 |
| National Council of Jewish WomenEIN 13-1641076 | Human and Civil Rights | NY | $5,011,754Mid-sized | 86.53 |
| National Council of the United States, Society of St. Vincent de PaulEIN 13-5562362 | Human Services | MO | $9,243,718Mid-sized | 82.00 |
| National Cowboy and Western Heritage MuseumEIN 30-0341029 | Arts, Culture, Humanities | OK | $9,895,778Mid-sized | 81.24 |
| 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 Foundation for Cancer ResearchEIN 04-2531031 | Health | MD | $13,432,400Mid-sized | 82.26 |
| National Foundation for TransplantsEIN 58-1527254 | Health | TN | $3,529,484Mid-sized | 90.69 |
| National Gaucher FoundationEIN 52-1350226 | Health | MD | $3,545,926Mid-sized | 76.07 |
| National Health Law ProgramEIN 95-3080947 | Human and Civil Rights | DC | $6,046,995Mid-sized | 91.32 |
| National High School Rodeo AssociationEIN 46-6015501 | Human Services | CO | $6,130,854Mid-sized | 84.95 |
| National Humane Education SocietyEIN 54-0618244 | Animals | WV | $3,613,287Mid-sized | 81.59 |
| National Humanities CenterEIN 59-1735367 | Research and Public Policy | NC | $5,231,657Mid-sized | 88.57 |
| 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 |
| National Kidney Foundation of MichiganEIN 38-1559941 | Health | MI | $6,685,661Mid-sized | 95.85 |
| National Latina Institute for Reproductive HealthEIN 52-1891734 | Human and Civil Rights | NY | $4,840,649Mid-sized | 89.68 |
| National LGBTQ Task ForceEIN 52-1624852 | Human and Civil Rights | DC | $7,286,554Mid-sized | 78.51 |
| National Medical AssociationEIN 53-6010805 | Health | MD | $5,020,310Mid-sized | 89.48 |
| National Medical FellowshipsEIN 01-0963657 | Education | NY | $3,633,998Mid-sized | 89.53 |
| National Military Family AssociationEIN 52-0899384 | Human Services | VA | $4,487,327Mid-sized | 87.23 |
| National Minority AIDS CouncilEIN 52-1578289 | Health | DC | $5,714,211Mid-sized | 90.86 |
| National Museum of Mexican ArtEIN 36-3225519 | Arts, Culture, Humanities | IL | $4,173,128Mid-sized | 83.92 |
| National Museum of Women in the ArtsEIN 52-1238810 | Arts, Culture, Humanities | DC | $9,670,306Mid-sized | 83.56 |
| National Network to End Domestic ViolenceEIN 52-1973408 | Human Services | DC | $4,157,632Mid-sized | 92.24 |
| National Ovarian Cancer CoalitionEIN 65-0628064 | Health | TX | $3,911,925Mid-sized | 80.51 |
| National Partnership for Women & FamiliesEIN 23-7124915 | Human and Civil Rights | DC | $8,597,541Mid-sized | 88.43 |
| National People's ActionEIN 36-2755109 | Human and Civil Rights | IL | $10,744,239Mid-sized | 89.85 |
| National Performance NetworkEIN 06-1522546 | Arts, Culture, Humanities | LA | $4,291,490Mid-sized | 89.39 |
| National Psoriasis FoundationEIN 93-0571472 | Health | OR | $12,666,372Mid-sized | 91.32 |
| National Review InstituteEIN 13-3649537 | Arts, Culture, Humanities | NY | $5,238,791Mid-sized | 92.21 |
| National Skills CoalitionEIN 30-0075580 | Research and Public Policy | DC | $4,328,770Mid-sized | 89.39 |
| National Sleep FoundationEIN 41-1678336 | Health | VA | $4,114,158Mid-sized | 89.94 |
| National Tropical Botanical GardenEIN 52-6057064 | Environment | HI | $11,377,135Mid-sized | 92.74 |
| National Underground Railroad Freedom CenterEIN 31-1436217 | Arts, Culture, Humanities | OH | $5,965,065Mid-sized | 79.31 |
| National Women's Law CenterEIN 52-1213010 | Human and Civil Rights | DC | $10,596,393Mid-sized | 92.29 |
| National Yiddish Book CenterEIN 04-2708878 | Arts, Culture, Humanities | MA | $5,587,913Mid-sized | 82.91 |
| National YoungArts FoundationEIN 59-2141837 | Education | FL | $10,922,459Mid-sized | 89.39 |
| Native American Rights FundEIN 84-0611876 | Human Services | CO | $11,065,425Mid-sized | 83.92 |
| Nature and Culture InternationalEIN 33-0773524 | Environment | CA | $6,361,508Mid-sized | 93.91 |
| NatureServeEIN 52-1884438 | Environment | VA | $8,421,554Mid-sized | 84.93 |
| Naval Aviation Museum FoundationEIN 59-6178237 | Arts, Culture, Humanities | FL | $9,371,160Mid-sized | 96.46 |
| Nazarene Compassionate Ministries, Inc.EIN 43-1550318 | International | KS | $3,518,777Mid-sized | 90.71 |
| NCTAEIN 51-0236530 | Education | TX | $8,041,040Mid-sized | 83.25 |
| NDI New MexicoEIN 85-0431846 | Education | NM | $6,160,996Mid-sized | 91.71 |
| Nebraska Humane SocietyEIN 47-0378997 | Animals | NE | $12,005,552Mid-sized | 92.07 |
| Neighborhood House, St. PaulEIN 41-0693916 | Human Services | MN | $6,187,531Mid-sized | 91.02 |
| Neighborhood Housing Services of ChicagoEIN 23-7443009 | Community Development | IL | $4,208,251Mid-sized | 67.53 |
| Neighborhood Legal Services AssociationEIN 25-1157129 | Human and Civil Rights | PA | $4,136,700Mid-sized | 86.50 |
| Neighborhood PartnershipsEIN 91-1943624 | Community Development | OR | $11,695,621Mid-sized | 82.77 |
| NeighborsEIN 41-1360294 | Human Services | MN | $4,081,697Mid-sized | 90.63 |