| National Kidney FoundationEIN 13-1673104 | Health | NY | $37,252,116Large | 82.47 |
| National Kidney Foundation of HawaiiEIN 99-0266733 | Health | HI | $3,357,681Small | 89.03 |
| National Latina Institute for Reproductive HealthEIN 52-1891734 | Human and Civil Rights | NY | $4,840,649Mid-sized | 89.68 |
| National Law Center on Homelessness and PovertyEIN 52-1633883 | Human Services | DC | $1,059,806Small | 81.29 |
| National Legal and Policy CenterEIN 52-1750188 | Human and Civil Rights | VA | $1,329,822Small | 81.12 |
| National Liberty MuseumEIN 23-2788633 | Arts, Culture, Humanities | PA | $2,915,023Small | 87.22 |
| 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 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 Ovarian Cancer CoalitionEIN 65-0628064 | Health | TX | $3,911,925Mid-sized | 80.51 |
| National Parks Conservation AssociationEIN 53-0225165 | Environment | DC | $31,688,823Large | 82.54 |
| National Partnership for Women & FamiliesEIN 23-7124915 | Human and Civil Rights | DC | $8,597,541Mid-sized | 88.43 |
| National Peace Corps AssociationEIN 58-1431113 | International | DC | $1,597,028Small | 84.47 |
| 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 Rowing FoundationEIN 13-2554312 | Human Services | CT | $1,539,775Small | 87.57 |
| National Science Teachers AssociationEIN 52-6055229 | Education | VA | $26,368,291Large | 80.44 |
| 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 Sporting Library & MuseumEIN 54-6053662 | Arts, Culture, Humanities | VA | $2,059,740Small | 82.28 |
| National Taxpayers Union FoundationEIN 52-1122683 | Human and Civil Rights | DC | $400,712Small | 87.53 |
| National Urban LeagueEIN 13-1840489 | Human and Civil Rights | NY | $47,626,361Large | 88.27 |
| National Wild Turkey FederationEIN 57-0564993 | Animals | SC | $41,988,609Large | 89.70 |
| National Wildlife FederationEIN 53-0204616 | Animals | VA | $73,731,937Large | 81.19 |
| National Wildlife Refuge AssociationEIN 23-7447365 | Animals | DC | $2,900,148Small | 81.02 |
| 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 |
| National Youth Leadership CouncilEIN 41-1449746 | Education | MN | $1,248,992Small | 86.09 |
| Native American Heritage AssociationEIN 46-0414390 | Human Services | SD | $56,083,600Large | 89.42 |
| Native American Rights FundEIN 84-0611876 | Human Services | CO | $11,065,425Mid-sized | 83.92 |
| Nativity Prep AcademyEIN 33-0886247 | Education | CA | $1,520,569Small | 81.05 |
| Nativity School of WorcesterEIN 03-0385377 | Education | MA | $1,580,928Small | 86.73 |
| Natural History Museum of Los Angeles CountyEIN 95-6132185 | Arts, Culture, Humanities | CA | $47,622,662Large | 86.41 |
| NatureServeEIN 52-1884438 | Environment | VA | $8,421,554Mid-sized | 84.93 |
| Navy-Marine Corps Relief SocietyEIN 53-0204618 | Human Services | VA | $27,989,419Large | 89.39 |
| NCSL Foundation for State LegislaturesEIN 74-2232576 | Research and Public Policy | CO | $3,158,402Small | 80.44 |
| NCTAEIN 51-0236530 | Education | TX | $8,041,040Mid-sized | 83.25 |
| Near West TheatreEIN 34-1881815 | Arts, Culture, Humanities | OH | $1,201,075Small | 89.24 |
| Neat StuffEIN 65-0746714 | Human Services | FL | $949,838Small | 83.73 |
| Nebraska AIDS ProjectEIN 47-0786622 | Health | NE | $1,655,303Small | 89.81 |
| Need Him GlobalEIN 75-2716321 | Religion | TX | $1,036,874Small | 84.24 |
| Nehemiah CenterEIN 76-0437157 | Religion | TX | $1,717,352Small | 88.72 |
| Neighborhood Christian CentersEIN 58-1394456 | Human Services | TN | $3,096,898Small | 83.32 |
| Neighborhood Development CenterEIN 41-1738791 | Community Development | MN | $3,154,382Small | 82.92 |
| Neighborhood House of MilwaukeeEIN 39-0806269 | Human Services | WI | $2,232,121Small | 84.94 |
| Neighborhood Legal Services AssociationEIN 25-1157129 | Human and Civil Rights | PA | $4,136,700Mid-sized | 86.50 |
| Neighborhood MinistriesEIN 86-0809052 | Human Services | AZ | $2,588,356Small | 87.80 |
| Neighborhood PartnershipsEIN 91-1943624 | Community Development | OR | $11,695,621Mid-sized | 82.77 |
| Nelson-Atkins Museum of ArtEIN 44-6012977 | Arts, Culture, Humanities | MO | $41,548,030Large | 88.06 |
| NephCure Kidney InternationalEIN 38-3569922 | Health | PA | $3,815,949Mid-sized | 87.97 |
| NESsTEIN 52-2018791 | International | CA | $2,609,292Small | 85.69 |
| NetHopeEIN 20-1782011 | International | VA | $9,628,983Mid-sized | 87.58 |
| Network for Teaching EntrepreneurshipEIN 13-3408731 | Education | NY | $14,801,569Large | 85.27 |
| Nevada Ballet TheatreEIN 94-2427112 | Arts, Culture, Humanities | NV | $4,990,294Mid-sized | 84.37 |
| Nevada City Community Broadcast GroupEIN 94-2846388 | Arts, Culture, Humanities | CA | $985,353Small | 82.11 |
| Nevada Museum of ArtEIN 88-6003042 | Arts, Culture, Humanities | NV | $6,992,632Mid-sized | 88.33 |
| Nevada Public Radio CorporationEIN 23-7441306 | Arts, Culture, Humanities | NV | $7,303,110Mid-sized | 82.50 |
| New Britain Museum of American ArtEIN 06-1422234 | Arts, Culture, Humanities | CT | $4,068,402Mid-sized | 89.73 |