| Miles Perret Cancer ServicesEIN 75-3023211 | Health | LA | $1,060,301Small | 77.53 |
| Military Community Youth MinistriesEIN 74-2238462 | Religion | CO | $1,630,660Small | 84.91 |
| Milkweed EditionsEIN 41-1365177 | Arts, Culture, Humanities | MN | $2,115,151Small | 92.88 |
| Mill River Park CollaborativeEIN 06-1507648 | Environment | CT | $1,758,191Small | 91.45 |
| Ministry With CommunityEIN 38-2596981 | Human Services | MI | $1,675,939Small | 92.12 |
| Minnesota Center for Environmental AdvocacyEIN 23-7412105 | Environment | MN | $1,692,871Small | 93.82 |
| Minnesota Environmental FundEIN 41-1693030 | Environment | MN | $964,468Small | 86.29 |
| Minnesota Environmental PartnershipEIN 41-1986433 | Environment | MN | $651,587Small | 90.47 |
| Minnesota Indian Women's Resource CenterEIN 41-1500950 | Human Services | MN | $2,997,682Small | 72.33 |
| Minnesota Museum of American ArtEIN 41-0726138 | Arts, Culture, Humanities | MN | $1,469,148Small | 89.23 |
| Minnesota State Fair FoundationEIN 41-2013696 | Arts, Culture, Humanities | MN | $1,855,342Small | 83.39 |
| Minnesotans Military Appreciation FundEIN 20-1935180 | Human Services | MN | $730,321Small | 65.32 |
| MinnPostEIN 26-0573427 | Arts, Culture, Humanities | MN | $1,628,555Small | 77.19 |
| Minority Corporate Counsel AssociationEIN 13-3920905 | Human and Civil Rights | DC | $2,948,017Small | 91.16 |
| Mint Theater CompanyEIN 13-3687725 | Arts, Culture, Humanities | NY | $1,894,443Small | 90.96 |
| Miracle FoundationEIN 74-2989580 | International | TX | $2,588,178Small | 92.54 |
| MisaskimEIN 20-3957164 | Religion | NY | $1,776,940Small | 59.99 |
| Mission BlueEIN 26-1892969 | Environment | CA | $1,261,676Small | 80.39 |
| Mission GranburyEIN 75-2766222 | Human Services | TX | $1,304,142Small | 85.84 |
| Mission Medical ClinicEIN 68-0506812 | Health | CO | $384,914Small | 74.88 |
| Mission of HopeEIN 62-1794508 | Human Services | TN | $2,958,234Small | 85.07 |
| Mission PossibleEIN 34-1290940 | Religion | OH | $1,114,129Small | 84.18 |
| Mission to HaitiEIN 59-2173214 | International | FL | $667,035Small | 83.54 |
| Mission Waco Mission WorldEIN 74-2605621 | Religion | TX | $2,644,683Small | 98.01 |
| Mission Without BordersEIN 77-0292572 | International | CA | $1,198,470Small | 81.84 |
| Mission YearEIN 23-3005514 | Religion | IL | $735,526Small | 74.05 |
| Mission: HopeEIN 64-0866959 | International | GA | $2,410,206Small | 93.89 |
| Missionary Athletes InternationalEIN 33-0017152 | Religion | NC | $3,442,558Small | 83.18 |
| Missionary Aviation Repair CenterEIN 92-0032812 | Religion | AK | $2,511,792Small | 75.64 |
| Missionary Maintenance Service AviationEIN 31-0919027 | Religion | OH | $1,854,255Small | 81.53 |
| Missouri Slope Areawide United WayEIN 45-0387741 | Community Development | ND | $2,223,133Small | 91.83 |
| Mitchell InstituteEIN 01-0523390 | Education | ME | $2,338,190Small | 91.15 |
| Mobile Meal Service of Spartanburg CountyEIN 57-0653452 | Human Services | SC | $2,170,786Small | 92.07 |
| Mobile Symphony OrchestraEIN 23-7070234 | Arts, Culture, Humanities | AL | $1,771,327Small | 70.16 |
| Mobius SpokaneEIN 91-1694299 | Arts, Culture, Humanities | WA | $1,677,935Small | 71.83 |
| Modest NeedsEIN 47-0863430 | Human Services | NY | $1,226,134Small | 83.84 |
| Mohawk Hudson Humane SocietyEIN 14-1338459 | Animals | NY | $3,033,879Small | 88.69 |
| Moms in Prayer InternationalEIN 33-0417450 | Religion | CA | $1,374,397Small | 91.35 |
| Monadnock Humane SocietyEIN 02-6005610 | Animals | NH | $1,212,684Small | 84.04 |
| Monadnock United WayEIN 02-0236885 | Community Development | NH | $2,165,227Small | 89.02 |
| Monarch School ProjectEIN 33-0871354 | Education | CA | $2,750,525Small | 97.56 |
| Montana Environmental Information CenterEIN 23-7337100 | Environment | MT | $527,862Small | 74.50 |
| Montana Wilderness AssociationEIN 51-0198932 | Environment | MT | $2,264,339Small | 96.25 |
| Monterey Museum of ArtEIN 94-1534563 | Arts, Culture, Humanities | CA | $1,881,784Small | 72.36 |
| Monterey SymphonyEIN 94-1584123 | Arts, Culture, Humanities | CA | $1,891,052Small | 79.99 |
| Montgomery County Humane SocietyEIN 52-6044968 | Animals | MD | $1,086,644Small | 82.30 |
| Montgomery County SPCAEIN 23-1425036 | Animals | PA | $2,321,057Small | 92.13 |
| Morning Star DevelopmentEIN 54-2086318 | International | CO | $1,322,993Small | 73.40 |
| Morven Museum & GardenEIN 22-2817982 | Arts, Culture, Humanities | NJ | $1,360,354Small | 92.04 |
| Mosaic Youth Theatre of DetroitEIN 38-3069610 | Arts, Culture, Humanities | MI | $1,493,069Small | 83.17 |
| Mother Caroline Academy & Education CenterEIN 04-3163180 | Education | MA | $2,529,195Small | 85.11 |
| Motor Racing OutreachEIN 58-1859610 | Religion | NC | $2,104,717Small | 78.75 |
| Mount Carmel MinistriesEIN 41-1577937 | Religion | MN | $1,230,287Small | 85.10 |
| Mount Washington ObservatoryEIN 02-0225135 | Research and Public Policy | NH | $2,066,258Small | 81.07 |
| Mountain HumaneEIN 82-0351171 | Animals | ID | $2,454,867Small | 92.81 |
| Mountain States Children's HomeEIN 84-0516736 | Human Services | CO | $2,131,358Small | 80.89 |
| Mountain States Legal FoundationEIN 84-0736725 | Human and Civil Rights | CO | $2,497,281Small | 78.73 |
| MountainfilmEIN 84-1271056 | Arts, Culture, Humanities | CO | $1,909,898Small | 74.18 |
| Mountains to Sound Greenway TrustEIN 91-1531234 | Environment | WA | $3,230,631Small | 96.46 |
| Mourning Family FoundationEIN 65-1075983 | Human Services | FL | $2,110,264Small | 81.40 |