| Association of Waldorf Schools of North AmericaEIN 23-2083226 | Education | CO | $1,897,113Small | 83.06 |
| Asthma and Allergy Foundation of AmericaEIN 13-1691693 | Health | MD | $4,355,693Mid-sized | 82.37 |
| Asylum AccessEIN 20-3642040 | International | CA | $3,807,218Mid-sized | 88.18 |
| Athol Area YMCAEIN 04-2103727 | Human Services | MA | $1,310,042Small | 81.56 |
| Atlanta Beltline PartnershipEIN 56-2464486 | Environment | GA | $8,078,135Mid-sized | 80.18 |
| Atlanta Children's ShelterEIN 58-1675299 | Human Services | GA | $1,313,147Small | 84.73 |
| Atlanta Habitat for HumanityEIN 58-1535414 | Community Development | GA | $13,038,034Mid-sized | 89.77 |
| Atlanta History CenterEIN 58-0566162 | Arts, Culture, Humanities | GA | $12,192,717Mid-sized | 89.26 |
| Atlanta Humane SocietyEIN 58-0685900 | Animals | GA | $11,175,194Mid-sized | 89.56 |
| Atlanta MissionEIN 58-0572430 | Human Services | GA | $17,707,982Large | 85.25 |
| Attention HomesEIN 84-0571145 | Human Services | CO | $1,918,605Small | 84.84 |
| Audubon Canyon RanchEIN 94-6069140 | Environment | CA | $3,214,289Small | 86.74 |
| Audubon Nature InstituteEIN 51-0157624 | Animals | LA | $35,617,671Large | 86.02 |
| Audubon Society of Rhode IslandEIN 05-0265675 | Environment | RI | $2,711,731Small | 83.06 |
| Austin Habitat for HumanityEIN 74-2373217 | Community Development | TX | $7,880,765Mid-sized | 89.11 |
| Austin Symphony OrchestraEIN 74-6000068 | Arts, Culture, Humanities | TX | $5,169,664Mid-sized | 87.27 |
| Autism SpeaksEIN 20-2329938 | Health | NY | $42,861,302Large | 80.10 |
| Ave Maria RadioEIN 38-3263675 | Religion | MI | $2,276,370Small | 88.98 |
| AvenidasEIN 94-1480548 | Human Services | CA | $4,848,199Mid-sized | 88.32 |
| AwanaEIN 36-2428692 | Religion | IL | $31,541,865Large | 81.37 |
| Back on My FeetEIN 26-2109809 | Human Services | PA | $6,123,556Mid-sized | 80.51 |
| Ballet MemphisEIN 62-1018942 | Arts, Culture, Humanities | TN | $3,976,050Mid-sized | 81.46 |
| Ballet WestEIN 87-0264274 | Arts, Culture, Humanities | UT | $13,193,667Mid-sized | 86.93 |
| BallotpediaEIN 20-8036372 | Human and Civil Rights | WI | $4,687,551Mid-sized | 86.51 |
| Baltimore & Ohio Railroad MuseumEIN 52-1535426 | Arts, Culture, Humanities | MD | $4,720,272Mid-sized | 86.35 |
| Baltimore Animal Rescue and Care ShelterEIN 86-1130456 | Animals | MD | $3,878,123Mid-sized | 87.25 |
| Baltimore Humane SocietyEIN 52-0623165 | Animals | MD | $1,610,383Small | 85.88 |
| Baltimore Symphony OrchestraEIN 52-0629696 | Arts, Culture, Humanities | MD | $27,938,029Large | 80.71 |
| Bang on a CanEIN 13-3392963 | Arts, Culture, Humanities | NY | $2,167,366Small | 81.29 |
| Bangor Humane SocietyEIN 01-0215910 | Animals | ME | $1,221,051Small | 81.96 |
| Barnabas AidEIN 16-1711227 | Religion | VA | $3,052,367Small | 83.84 |
| Bartlesville Regional United WayEIN 23-7041295 | Community Development | OK | $2,299,800Small | 84.95 |
| Basic GospelEIN 75-1564364 | Religion | TX | $1,089,851Small | 84.29 |
| Basic Rights Education FundEIN 93-1266613 | Human and Civil Rights | OR | $912,691Small | 83.70 |
| Bat Conservation InternationalEIN 74-2553144 | Animals | VA | $4,795,652Mid-sized | 88.68 |
| Bay Area Rescue MissionEIN 94-6124054 | Human Services | CA | $9,971,930Mid-sized | 80.28 |
| BBYOEIN 31-1794932 | Religion | DC | $31,255,555Large | 85.97 |
| Be The Match FoundationEIN 41-1704734 | Health | MN | $12,699,664Mid-sized | 87.89 |
| Bean's CafeEIN 92-0072522 | Human Services | AK | $2,577,325Small | 87.89 |
| Bear Necessities Pediatric Cancer FoundationEIN 36-3874655 | Health | IL | $1,914,328Small | 81.66 |
| BELL (Building Educated Leaders for Life)EIN 04-3182053 | Education | MA | $16,560,910Large | 88.19 |
| BenevillaEIN 86-0404687 | Human Services | AZ | $6,396,221Mid-sized | 89.35 |
| Benjamin Rose Institute on AgingEIN 34-0714482 | Human Services | OH | $11,049,876Mid-sized | 80.90 |
| Bergen County's United WayEIN 22-6028959 | Community Development | NJ | $17,834,641Large | 89.86 |
| Berkeley Public Library FoundationEIN 94-3280180 | Arts, Culture, Humanities | CA | $341,709Small | 84.26 |
| Berkshire Humane SocietyEIN 04-3148018 | Animals | MA | $1,460,649Small | 86.63 |
| Berkshire MuseumEIN 04-2103878 | Arts, Culture, Humanities | MA | $3,117,319Small | 86.85 |
| Berkshire United WayEIN 04-2104841 | Community Development | MA | $2,754,541Small | 83.91 |
| Bernheim Arboretum and Research ForestEIN 61-0444651 | Environment | KY | $3,094,982Small | 87.30 |
| Best Buddies InternationalEIN 52-1614576 | Human Services | FL | $26,289,255Large | 87.85 |
| BestPrepEIN 41-1265355 | Education | MN | $1,538,322Small | 87.56 |
| Bet TzedekEIN 23-7304205 | Human and Civil Rights | CA | $7,647,552Mid-sized | 88.25 |
| Bethesda AcademyEIN 58-0637013 | Education | GA | $3,955,168Mid-sized | 86.29 |
| Bethesda Lutheran CommunitiesEIN 39-0806446 | Human Services | WI | $150,208,423Large | 84.39 |
| Beverly BootstrapEIN 04-3254507 | Human Services | MA | $2,781,956Small | 88.49 |
| Bible in the SchoolsEIN 62-0523361 | Education | TN | $1,388,845Small | 87.10 |
| BideaweeEIN 13-1655210 | Animals | NY | $10,621,175Mid-sized | 83.88 |
| Big Brothers Big Sisters A Community of CaringEIN 38-1720832 | Human Services | MI | $1,294,439Small | 86.88 |
| Big Brothers Big Sisters of AmericaEIN 23-1365190 | Human Services | FL | $22,384,996Large | 89.33 |
| Big Brothers Big Sisters of Broward CountyEIN 59-1507595 | Human Services | FL | $1,244,992Small | 88.76 |