| "I Have a Dream" FoundationEIN 13-3355315 | Education | NY | $4,097,195Mid-sized | 83.32 |
| 'Aha Pūnana LeoEIN 99-0226111 | Education | HI | $5,768,885Mid-sized | 86.46 |
| 10,000 DegreesEIN 95-3667812 | Education | CA | $7,953,651Mid-sized | 90.23 |
| 100 Black Men of AmericaEIN 58-1974429 | Human Services | GA | $3,866,490Mid-sized | 88.49 |
| 100 Club of ArizonaEIN 23-7172077 | Human Services | AZ | $1,389,812Small | 88.11 |
| 1000 Friends of FloridaEIN 59-2761163 | Environment | FL | $531,451Small | 88.13 |
| 1000 Friends of OregonEIN 93-0642086 | Environment | OR | $917,313Small | 91.94 |
| 24 FoundationEIN 20-3768277 | Health | NC | $1,736,441Small | 78.20 |
| 350.orgEIN 26-1150699 | Environment | NY | $12,878,265Mid-sized | 95.03 |
| 4 Paws for Ability EIN 31-1625484 | Human Services | OH | $3,781,244Mid-sized | 93.91 |
| 9to5 National Association of Working WomenEIN 34-1246311 | Human and Civil Rights | WI | $1,968,895Small | 92.18 |
| A Better ChanceEIN 23-7173492 | Education | NY | $4,663,910Mid-sized | 71.46 |
| A Better LAEIN 20-2274095 | Human Services | CA | $703,079Small | 61.01 |
| A Chance In LifeEIN 13-1835632 | Human Services | NY | $1,499,205Small | 90.77 |
| A Chance to Change FoundationEIN 73-1116884 | Health | OK | $1,714,992Small | 88.72 |
| A Child's PlaceEIN 58-1911741 | Education | NC | $1,398,461Small | 89.39 |
| A Contemporary TheatreEIN 91-0787792 | Arts, Culture, Humanities | WA | $6,285,065Mid-sized | 77.98 |
| A Gift for TeachingEIN 59-3515162 | Education | FL | $10,242,387Mid-sized | 91.52 |
| A Jewish Voice for PeaceEIN 90-0018359 | International | CA | $3,532,356Mid-sized | 85.64 |
| A Kid AgainEIN 31-1440073 | Health | OH | $2,218,926Small | 94.80 |
| A Kids' Brain Tumor CureEIN 26-0295572 | Health | MA | $432,034Small | 90.71 |
| A Noise WithinEIN 95-4443878 | Arts, Culture, Humanities | CA | $3,138,360Small | 94.06 |
| A Place Called HomeEIN 95-4427291 | Human Services | CA | $6,168,906Mid-sized | 93.97 |
| A.J. Muste Memorial InstituteEIN 23-7379088 | Human and Civil Rights | NY | $1,837,476Small | 91.07 |
| AAA Foundation for Traffic SafetyEIN 52-0794368 | Research and Public Policy | DC | $7,776,718Mid-sized | 92.02 |
| AACA MuseumEIN 25-1716419 | Arts, Culture, Humanities | PA | $1,810,791Small | 89.60 |
| Abandoned Children's FundEIN 20-5967513 | International | CA | $6,664,602Mid-sized | 73.58 |
| Abby's HouseEIN 04-2648411 | Human Services | MA | $1,545,121Small | 93.24 |
| ABC² (Accelerate Brain Cancer Cure)EIN 52-2320756 | Health | DC | $2,236,166Small | 79.97 |
| Abilities UnitedEIN 94-1546643 | Human Services | CA | $5,575,172Mid-sized | 80.55 |
| Abode ServicesEIN 94-3087060 | Human Services | CA | $39,690,545Large | 94.69 |
| Abraham HouseEIN 13-3721924 | Human Services | NY | $998,412Small | 80.76 |
| Abraham Lincoln Presidential Library FoundationEIN 36-4385644 | Arts, Culture, Humanities | IL | $2,790,813Small | 74.05 |
| Abused Deaf Women's Advocacy ServicesEIN 91-1339173 | Human Services | WA | $1,464,215Small | 88.57 |
| Academy Art MuseumEIN 52-6051766 | Arts, Culture, Humanities | MD | $1,708,926Small | 79.90 |
| Academy of AchievementEIN 75-6042129 | Education | DC | $2,047,357Small | 83.43 |
| Academy of American PoetsEIN 13-1879953 | Arts, Culture, Humanities | NY | $1,830,939Small | 84.97 |
| Academy of Fine ArtsEIN 23-7061145 | Arts, Culture, Humanities | VA | $1,727,617Small | 79.58 |
| Academy of Hope Adult Public Charter SchoolEIN 52-1730021 | Education | DC | $5,648,649Mid-sized | 84.67 |
| Academy of Nutrition and Dietetics FoundationEIN 36-6150906 | Health | IL | $3,393,217Small | 90.16 |
| Academy of Television Arts & Sciences FoundationEIN 95-2283284 | Education | CA | $4,363,498Mid-sized | 76.12 |
| Academy of Vocal ArtsEIN 23-1352001 | Education | PA | $3,853,315Mid-sized | 86.47 |
| Acadia CenterEIN 01-0518193 | Environment | ME | $1,874,758Small | 94.88 |
| Accelerated Cure Project for Multiple Sclerosis EIN 04-3555864 | Health | MA | $1,275,657Small | 79.03 |
| ACCESSEIN 34-1395246 | Human Services | OH | $1,295,114Small | 89.54 |
| ACCESS College FoundationEIN 54-1440734 | Education | VA | $4,258,853Mid-sized | 93.38 |
| Access FundEIN 94-3131165 | Environment | CO | $2,707,760Small | 87.80 |
| Accion East EIN 11-3317234 | Community Development | NY | $7,729,900Mid-sized | 92.29 |
| ACCION InternationalEIN 13-2535763 | International | MA | $30,276,113Large | 89.54 |
| ACCION New MexicoEIN 85-0417347 | Community Development | NM | $8,277,592Mid-sized | 94.69 |
| ACCION San DiegoEIN 33-0620415 | Community Development | CA | $2,240,870Small | 94.74 |
| ACE ScholarshipsEIN 84-1531066 | Education | CO | $12,502,582Mid-sized | 96.35 |
| Achievement Centers for ChildrenEIN 34-0714766 | Human Services | OH | $9,782,498Mid-sized | 90.21 |
| Achievement Centers for Children & Families FoundationEIN 65-1023099 | Education | FL | $2,464,947Small | 88.42 |
| Achievement FirstEIN 65-1203744 | Education | CT | $44,360,810Large | 84.01 |
| AchieveMplsEIN 41-1425264 | Education | MN | $5,317,785Mid-sized | 88.22 |
| Achilles InternationalEIN 13-3318293 | Human Services | NY | $2,514,699Small | 89.04 |
| ACLU Foundation of MarylandEIN 23-7209538 | Human and Civil Rights | MD | $2,359,536Small | 88.18 |
| ACLU Foundation of MassachusettsEIN 23-7312949 | Human and Civil Rights | MA | $3,571,742Mid-sized | 91.65 |
| ACLU Foundation of Southern CaliforniaEIN 95-2673361 | Human and Civil Rights | CA | $15,441,711Large | 89.24 |