| Make-A-Wish Foundation of the Hudson ValleyEIN 13-3344306 | Health | NY | $2,644,291Small | 82.30 |
| Make-A-Wish Foundation of the Mid-SouthEIN 62-1253153 | Health | TN | $4,427,435Mid-sized | 89.86 |
| Make-A-Wish Foundation of UtahEIN 74-2392822 | Health | UT | $3,280,558Small | 92.03 |
| Make-A-Wish Foundation of WisconsinEIN 39-1543541 | Health | WI | $6,645,321Mid-sized | 82.56 |
| Make-A-Wish Georgia EIN 58-2146828 | Health | GA | $5,694,610Mid-sized | 76.80 |
| Make-A-Wish Greater Bay AreaEIN 94-2958481 | Health | CA | $8,595,168Mid-sized | 76.79 |
| Make-A-Wish Greater Pennsylvania & West VirginiaEIN 25-1464177 | Health | PA | $8,870,799Mid-sized | 78.47 |
| Make-A-Wish InternationalEIN 86-0726985 | Health | AZ | $7,717,030Mid-sized | 88.80 |
| Make-A-Wish MississippiEIN 64-0730362 | Health | MS | $2,058,583Small | 71.76 |
| Make-A-Wish OklahomaEIN 73-1176743 | Health | OK | $2,337,155Small | 73.64 |
| Make-A-Wish Orange County and the Inland EmpireEIN 33-0036556 | Health | CA | $5,195,279Mid-sized | 82.37 |
| Make-A-Wish OregonEIN 82-0385049 | Health | OR | $3,873,652Mid-sized | 81.54 |
| Make-A-Wish Texas Gulf Coast and LouisianaEIN 76-0116615 | Health | TX | $5,127,981Mid-sized | 92.33 |
| Make-A-Wish® Missouri & KansasEIN 43-1550697 | Health | MO | $5,144,874Mid-sized | 79.77 |
| Make-A-Wish® Philadelphia, Delaware & Susquehanna ValleyEIN 22-2755963 | Health | PA | $5,735,146Mid-sized | 85.20 |
| making changeEIN 48-1003869 | Human Services | CO | $6,270,296Mid-sized | 90.14 |
| Malachi HouseEIN 34-1598707 | Human Services | OH | $1,410,317Small | 77.65 |
| Malaria No More FundEIN 20-5664575 | International | WA | $12,697,093Mid-sized | 92.14 |
| Maltz Museum of Jewish HeritageEIN 04-3684531 | Arts, Culture, Humanities | OH | $3,165,496Small | 85.21 |
| Mama's KitchenEIN 33-0434246 | Human Services | CA | $2,555,149Small | 78.24 |
| Man in the MirrorEIN 59-3178628 | Religion | FL | $3,291,289Small | 91.04 |
| Management Leadership for TomorrowEIN 52-1795164 | Human Services | MD | $10,079,879Mid-sized | 87.58 |
| Manatee Performing Arts CenterEIN 59-1196043 | Arts, Culture, Humanities | FL | $2,418,900Small | 94.85 |
| Manhattan Beach Education FoundationEIN 95-3881166 | Education | CA | $7,199,358Mid-sized | 96.25 |
| Manhattan Institute for Policy ResearchEIN 13-2912529 | Research and Public Policy | NY | $18,832,278Large | 94.25 |
| Manhattan Theatre ClubEIN 23-7086643 | Arts, Culture, Humanities | NY | $27,356,114Large | 90.34 |
| MANNAEIN 23-2586142 | Human Services | PA | $4,868,136Mid-sized | 91.49 |
| Manna Food CenterEIN 52-1289203 | Human Services | MD | $8,020,631Mid-sized | 95.70 |
| Manna Food PantriesEIN 59-2181031 | Human Services | FL | $1,417,371Small | 76.76 |
| MANNA FoodBankEIN 58-1514800 | Human Services | NC | $29,637,910Large | 99.10 |
| Manna on Main StreetEIN 23-2287252 | Human Services | PA | $2,603,058Small | 87.92 |
| MANNA WorldwideEIN 75-2931604 | International | TX | $6,474,131Mid-sized | 95.47 |
| Mano a Mano InternationalEIN 41-1796971 | International | MN | $2,440,095Small | 91.32 |
| ManometEIN 22-3051362 | Environment | MA | $4,959,830Mid-sized | 89.86 |
| Manos De CristoEIN 74-2511974 | Human Services | TX | $3,304,940Small | 94.69 |
| Manship TheatreEIN 20-3999559 | Arts, Culture, Humanities | LA | $2,015,238Small | 72.39 |
| Maoz Israel MinistriesEIN 51-0210369 | Religion | TX | $5,108,464Mid-sized | 92.81 |
| MAP InternationalEIN 36-2586390 | International | GA | $638,842,264Large | 100.00 |
| MapLightEIN 33-1094233 | Human and Civil Rights | CA | $2,988,723Small | 89.96 |
| Maranatha Volunteers InternationalEIN 38-1945104 | Religion | CA | $12,412,689Mid-sized | 88.14 |
| Marathon KidsEIN 06-1722171 | Human Services | TX | $2,921,366Small | 95.34 |
| March of DimesEIN 13-1846366 | Health | VA | $152,470,269Large | 73.14 |
| Marcus Jewish Community Center of AtlantaEIN 58-0566126 | Human Services | GA | $24,778,839Large | 90.20 |
| Marian HouseEIN 52-1243849 | Human Services | MD | $3,076,163Small | 90.13 |
| Marian Middle SchoolEIN 43-1873629 | Education | MO | $1,735,400Small | 90.04 |
| Marijuana Policy Project FoundationEIN 52-1975211 | Research and Public Policy | DC | $2,866,841Small | 77.62 |
| Marin Theatre CompanyEIN 23-7018125 | Arts, Culture, Humanities | CA | $3,690,566Mid-sized | 91.78 |
| Marine Biological LaboratoryEIN 04-2104690 | Research and Public Policy | MA | $42,842,812Large | 86.19 |
| Marine Conservation InstituteEIN 91-1725640 | Environment | WA | $1,068,198Small | 81.68 |
| Marine Corps Association FoundationEIN 80-0340923 | Human Services | VA | $1,536,917Small | 71.95 |
| Marine Corps Scholarship FoundationEIN 22-1905062 | Education | VA | $13,861,077Large | 81.14 |
| Marine Corps University FoundationEIN 54-1143646 | Education | VA | $2,054,228Small | 90.23 |
| Mario Lemieux FoundationEIN 25-1708231 | Health | PA | $1,249,212Small | 78.92 |
| Marion Polk Food ShareEIN 94-3034161 | Human Services | OR | $14,392,956Large | 91.31 |
| Mark Morris Dance GroupEIN 13-3577394 | Arts, Culture, Humanities | NY | $8,923,444Mid-sized | 91.94 |
| Mark Wahlberg Youth FoundationEIN 04-3567369 | Education | MA | $1,573,707Small | 92.22 |
| Mars Hill ProductionsEIN 76-0235320 | Religion | TX | $979,513Small | 83.98 |
| Martha O'Bryan CenterEIN 62-0477728 | Human Services | TN | $14,942,210Large | 89.19 |
| Martha's KitchenEIN 91-2091094 | Human Services | CA | $1,854,157Small | 91.51 |
| Martha's TableEIN 52-1186071 | Human Services | DC | $12,419,059Mid-sized | 97.13 |