| Maccabi USA/Sports for IsraelEIN 13-1810938 | Human Services | PA | $1,938,346Small | 75.73 |
| Mackinac CenterEIN 38-2701547 | Research and Public Policy | MI | $6,608,146Mid-sized | 92.92 |
| Macomb County Humane SocietyEIN 38-6120195 | Animals | MI | $828,307Small | 90.32 |
| MacPhail Center for MusicEIN 41-1729340 | Education | MN | $12,206,724Mid-sized | 88.48 |
| Macula Vision Research FoundationEIN 23-2876473 | Health | PA | $823,042Small | 86.25 |
| Macular Degeneration AssociationEIN 27-3025707 | Health | FL | $1,288,362Small | 73.72 |
| Madison Children's MuseumEIN 39-1383497 | Arts, Culture, Humanities | WI | $3,527,783Mid-sized | 75.57 |
| Madison Public Library FoundationEIN 39-1777242 | Arts, Culture, Humanities | WI | $1,412,832Small | 82.71 |
| Madison Square Boys & Girls ClubEIN 13-5596792 | Human Services | NY | $10,016,984Mid-sized | 92.12 |
| Madison Square Park ConservancyEIN 14-1859935 | Environment | NY | $4,811,212Mid-sized | 85.67 |
| MADREEIN 13-3280194 | International | NY | $4,284,836Mid-sized | 95.83 |
| Magic Johnson FoundationEIN 95-4349860 | Health | CA | $1,043,609Small | 79.21 |
| Mahaiwe Performing Arts CenterEIN 57-1140453 | Arts, Culture, Humanities | MA | $2,292,098Small | 84.68 |
| Mahoning Valley Historical SocietyEIN 34-0872868 | Arts, Culture, Humanities | OH | $1,151,615Small | 80.94 |
| Main Line Animal RescueEIN 23-3017210 | Animals | PA | $2,690,621Small | 86.15 |
| Main Stay Therapeutic FarmEIN 36-3565747 | Health | IL | $924,836Small | 95.05 |
| Maine AudubonEIN 01-0248780 | Environment | ME | $2,415,412Small | 87.16 |
| Maine Center for Coastal FisheriesEIN 27-0069386 | Environment | ME | $1,664,926Small | 94.15 |
| Maine Community FoundationEIN 01-0391479 | Community Development | ME | $35,913,386Large | 94.88 |
| Maine Historical SocietyEIN 01-0211530 | Arts, Culture, Humanities | ME | $2,301,135Small | 80.31 |
| Maine Justice FoundationEIN 22-2559133 | Human and Civil Rights | ME | $1,995,716Small | 88.87 |
| Maine Maritime MuseumEIN 01-0271477 | Arts, Culture, Humanities | ME | $3,443,241Small | 95.05 |
| Maine Public Broadcasting NetworkEIN 22-3171529 | Arts, Culture, Humanities | ME | $13,328,620Mid-sized | 91.98 |
| Maine Seacoast MissionEIN 01-0216837 | Human Services | ME | $3,657,501Mid-sized | 91.21 |
| Make the Road New YorkEIN 11-3344389 | Human and Civil Rights | NY | $16,758,025Large | 86.98 |
| Make Way for BooksEIN 31-1583036 | Education | AZ | $1,226,457Small | 91.91 |
| Make-A-Wish Alaska and WashingtonEIN 91-1329433 | Health | WA | $8,859,325Mid-sized | 78.27 |
| Make-A-Wish ArizonaEIN 86-0409636 | Health | AZ | $6,948,950Mid-sized | 86.43 |
| Make-A-Wish Central and Western North CarolinaEIN 56-1492432 | Health | NC | $5,313,178Mid-sized | 84.24 |
| Make-A-Wish Central CaliforniaEIN 77-0116530 | Health | CA | $2,232,435Small | 83.75 |
| Make-A-Wish Foundation of Central & South TexasEIN 74-2357788 | Health | TX | $4,127,913Mid-sized | 81.45 |
| Make-A-Wish Foundation of Central and Northern FloridaEIN 59-3235806 | Health | FL | $5,140,669Mid-sized | 86.89 |
| Make-A-Wish Foundation of Central New YorkEIN 22-2572086 | Health | NY | $1,700,156Small | 74.64 |
| Make-A-Wish Foundation of ColoradoEIN 74-2273004 | Health | CO | $6,144,150Mid-sized | 84.23 |
| Make-A-Wish Foundation of ConnecticutEIN 22-2710919 | Health | CT | $4,763,360Mid-sized | 87.75 |
| Make-A-Wish Foundation of Eastern North CarolinaEIN 58-1792140 | Health | NC | $3,320,233Small | 76.86 |
| Make-A-Wish Foundation of Greater Los AngelesEIN 95-4107024 | Health | CA | $6,391,728Mid-sized | 73.82 |
| Make-A-Wish Foundation of Greater Ohio, Kentucky and IndianaEIN 34-1471131 | Health | OH | $10,970,738Mid-sized | 76.24 |
| Make-A-Wish Foundation of Greater VirginiaEIN 54-1429614 | Health | VA | $2,539,494Small | 75.49 |
| Make-A-Wish Foundation of HawaiiEIN 99-0220777 | Health | HI | $3,912,730Mid-sized | 90.63 |
| Make-A-Wish Foundation of IowaEIN 42-1310530 | Health | IA | $3,316,454Small | 83.17 |
| Make-A-Wish Foundation of MaineEIN 01-0477512 | Health | ME | $1,270,648Small | 78.38 |
| Make-A-Wish Foundation of Metro New York and Western New YorkEIN 11-2645641 | Health | NY | $13,532,441Large | 84.57 |
| Make-A-Wish Foundation of MichiganEIN 38-2505812 | Health | MI | $8,622,407Mid-sized | 84.34 |
| Make-A-Wish Foundation of Middle TennesseeEIN 62-1833327 | Health | TN | $2,046,620Small | 80.48 |
| Make-A-Wish Foundation of MinnesotaEIN 41-1422893 | Health | MN | $4,131,098Mid-sized | 75.53 |
| Make-A-Wish Foundation of NebraskaEIN 47-0671096 | Health | NE | $2,925,493Small | 93.28 |
| Make-A-Wish Foundation of New HampshireEIN 02-0405369 | Health | NH | $2,037,107Small | 85.96 |
| Make-A-Wish Foundation of New JerseyEIN 22-2488495 | Health | NJ | $6,897,332Mid-sized | 84.07 |
| Make-A-Wish Foundation of New MexicoEIN 85-0347088 | Health | NM | $1,798,951Small | 85.69 |
| Make-A-Wish Foundation of North TexasEIN 75-1889666 | Health | TX | $12,212,799Mid-sized | 83.38 |
| Make-A-Wish Foundation of Northeast New YorkEIN 14-1703503 | Health | NY | $2,120,871Small | 86.06 |
| Make-A-Wish Foundation of Northeastern California and Northern NevadaEIN 68-0027351 | Health | CA | $5,130,826Mid-sized | 87.91 |
| Make-A-Wish Foundation of Puerto RicoEIN 66-0529880 | Health | PR | $1,177,851Small | 79.71 |
| Make-A-Wish Foundation of San DiegoEIN 33-0039466 | Health | CA | $4,647,268Mid-sized | 96.87 |
| Make-A-Wish Foundation of South CarolinaEIN 57-0786119 | Health | SC | $3,589,748Mid-sized | 78.99 |
| Make-A-Wish Foundation of South DakotaEIN 46-0375953 | Health | SD | $1,616,519Small | 88.23 |
| Make-A-Wish Foundation of Southern FloridaEIN 59-2620322 | Health | FL | $8,333,969Mid-sized | 82.41 |
| Make-A-Wish Foundation of Southern NevadaEIN 88-0371088 | Health | NV | $2,421,873Small | 88.05 |
| Make-A-Wish Foundation of Suffolk County, NYEIN 11-2666969 | Health | NY | $1,706,107Small | 90.47 |