| Air Force Aid SocietyEIN 54-1797281 | Human Services | VA | $13,528,744Large | 92.39 |
| Air Force Enlisted VillageEIN 23-7078212 | Human Services | FL | $10,042,657Mid-sized | 86.42 |
| Air Force Museum FoundationEIN 31-0668800 | Arts, Culture, Humanities | OH | $3,898,566Mid-sized | 79.23 |
| Air Warrior Courage FoundationEIN 77-0490412 | Human Services | MD | $888,223Small | 91.36 |
| Aish New YorkEIN 13-3548993 | Religion | NY | $3,933,654Mid-sized | 68.30 |
| Akilah Institute for WomenEIN 26-0770655 | Education | NY | $2,396,364Small | 78.99 |
| Akron Art MuseumEIN 34-0813426 | Arts, Culture, Humanities | OH | $4,777,487Mid-sized | 82.98 |
| Akron Community FoundationEIN 34-1087615 | Community Development | OH | $14,391,251Large | 89.24 |
| Akron-Canton Regional FoodbankEIN 34-1369388 | Human Services | OH | $37,914,003Large | 93.94 |
| Akshaya Patra USAEIN 01-0574950 | International | MA | $5,191,642Mid-sized | 91.05 |
| Al-Furqaan FoundationEIN 20-0310701 | Religion | IL | $2,207,498Small | 76.84 |
| Alabama BalletEIN 63-0813626 | Arts, Culture, Humanities | AL | $1,838,104Small | 84.44 |
| Alabama Law FoundationEIN 63-0951482 | Human and Civil Rights | AL | $1,360,509Small | 90.32 |
| Alabama Policy InstituteEIN 63-0809568 | Research and Public Policy | AL | $1,190,677Small | 73.10 |
| Alabama Shakespeare FestivalEIN 63-0652734 | Arts, Culture, Humanities | AL | $8,281,994Mid-sized | 80.70 |
| Alabama Symphony OrchestraEIN 63-1103036 | Arts, Culture, Humanities | AL | $7,077,881Mid-sized | 79.08 |
| Alameda County Community Food BankEIN 94-2960297 | Human Services | CA | $73,775,567Large | 97.78 |
| Alaska Conservation FoundationEIN 92-0061466 | Environment | AK | $2,771,502Small | 85.53 |
| Albany Institute of History & ArtEIN 14-1343061 | Arts, Culture, Humanities | NY | $1,862,998Small | 75.95 |
| Albright-Knox Art GalleryEIN 16-6001555 | Arts, Culture, Humanities | NY | $18,644,249Large | 90.62 |
| Albuquerque Museum FoundationEIN 85-0201054 | Arts, Culture, Humanities | NM | $1,438,046Small | 84.20 |
| Aldersgate Renewal MinistriesEIN 58-1322015 | Religion | TN | $726,618Small | 71.95 |
| Alex's Lemonade Stand FoundationEIN 56-2496146 | Health | PA | $22,149,112Large | 97.40 |
| Alexander Graham Bell Association for the Deaf and Hard of HearingEIN 53-0196644 | Health | DC | $3,417,603Small | 81.88 |
| Alexander Muss Institute for Israel EducationEIN 59-0173782 | International | NY | $9,477,262Mid-sized | 95.48 |
| Alfalit InternationalEIN 59-1595459 | International | FL | $4,142,770Mid-sized | 88.31 |
| ALIGN: The Alliance for a Greater New YorkEIN 20-0559291 | Human and Civil Rights | NY | $1,262,790Small | 87.00 |
| ALIVE!EIN 54-0914017 | Human Services | VA | $2,030,353Small | 87.32 |
| All About Developmental DisabilitiesEIN 58-0641496 | Human Services | GA | $4,265,976Mid-sized | 86.76 |
| All Classical PortlandEIN 93-1042868 | Arts, Culture, Humanities | OR | $3,780,565Mid-sized | 92.79 |
| All Faiths Food BankEIN 65-0115814 | Human Services | FL | $20,387,573Large | 93.32 |
| All God's ChildrenEIN 38-2992649 | International | IL | $1,413,690Small | 96.46 |
| All God's Children InternationalEIN 93-1052909 | International | WA | $4,419,370Mid-sized | 89.39 |
| All Hands and Hearts Smart ResponseEIN 20-3414952 | Human Services | MA | $6,086,763Mid-sized | 98.23 |
| All Hands RaisedEIN 93-1149789 | Education | OR | $5,602,278Mid-sized | 84.37 |
| All India MissionEIN 33-0421940 | Religion | KS | $3,673,089Mid-sized | 76.66 |
| All Our KinEIN 06-1539280 | Human Services | CT | $3,609,613Mid-sized | 96.42 |
| All Stars Helping KidsEIN 77-0325111 | Education | CA | $1,910,079Small | 93.26 |
| All Stars ProjectEIN 13-3148295 | Human Services | NY | $9,902,638Mid-sized | 82.85 |
| Allegan County United WayEIN 38-6063214 | Community Development | MI | $714,900Small | 88.57 |
| Allen Community OutreachEIN 75-1986190 | Human Services | TX | $2,191,065Small | 95.43 |
| Allen County SPCAEIN 35-6042135 | Animals | IN | $1,302,736Small | 91.88 |
| Allentown Art MuseumEIN 23-1548101 | Arts, Culture, Humanities | PA | $3,166,454Small | 88.59 |
| Allentown Rescue MissionEIN 23-6005983 | Human Services | PA | $3,267,831Small | 75.21 |
| Allentown Symphony AssociationEIN 23-6272140 | Arts, Culture, Humanities | PA | $3,619,870Mid-sized | 88.95 |
| Allergy & Asthma NetworkEIN 54-1357586 | Health | VA | $2,237,716Small | 80.23 |
| Alley Cat AlliesEIN 52-1742079 | Animals | MD | $10,182,939Mid-sized | 93.98 |
| Alley TheatreEIN 74-1143076 | Arts, Culture, Humanities | TX | $20,708,905Large | 92.13 |
| Alliance Defending FreedomEIN 54-1660459 | Human and Civil Rights | AZ | $50,304,647Large | 86.60 |
| Alliance for Aging ResearchEIN 54-1379174 | Research and Public Policy | DC | $1,867,638Small | 89.69 |
| Alliance for California Traditional ArtsEIN 02-0541202 | Arts, Culture, Humanities | CA | $1,693,600Small | 89.00 |
| Alliance For ChildrenEIN 75-2363035 | Human Services | TX | $4,387,651Mid-sized | 94.10 |
| Alliance for Children EverywhereEIN 91-1704751 | International | WA | $1,436,596Small | 83.95 |
| Alliance for Children's RightsEIN 95-4358213 | Human Services | CA | $5,808,946Mid-sized | 96.47 |
| Alliance for Climate EducationEIN 26-3106566 | Environment | CO | $2,032,430Small | 78.44 |
| Alliance for EducationEIN 91-1508191 | Education | WA | $4,429,976Mid-sized | 86.99 |
| Alliance for JusticeEIN 52-1009973 | Human and Civil Rights | DC | $5,029,169Mid-sized | 95.83 |
| Alliance For The Great LakesEIN 23-7104524 | Environment | IL | $3,549,306Mid-sized | 97.72 |
| Alliance Medical MinistryEIN 56-2168673 | Health | NC | $1,703,931Small | 80.15 |
| Alliance of Confessing EvangelicalsEIN 23-1352120 | Religion | PA | $1,473,450Small | 86.43 |