| Hagley Museum and LibraryEIN 51-0070531 | Arts, Culture, Humanities | DE | $11,292,554Mid-sized | 94.36 |
| Hammer MuseumEIN 95-4217197 | Arts, Culture, Humanities | CA | $25,445,841Large | 96.23 |
| Hands on Children's MuseumEIN 91-1405065 | Arts, Culture, Humanities | WA | $3,923,410Mid-sized | 80.27 |
| Harvey B. Gantt Center for African-American Arts+CultureEIN 56-1152286 | Arts, Culture, Humanities | NC | $1,942,059Small | 79.52 |
| Heard MuseumEIN 86-0107517 | Arts, Culture, Humanities | AZ | $9,188,994Mid-sized | 84.74 |
| High Desert MuseumEIN 51-0179336 | Arts, Culture, Humanities | OR | $4,747,004Mid-sized | 95.77 |
| Historic DeerfieldEIN 04-2262880 | Arts, Culture, Humanities | MA | $6,847,678Mid-sized | 90.95 |
| Historic New EnglandEIN 04-2104937 | Arts, Culture, Humanities | MA | $14,637,738Large | 92.21 |
| Holocaust Documentation & Education CenterEIN 59-1992826 | Arts, Culture, Humanities | FL | $1,308,859Small | 73.09 |
| Holocaust Museum HoustonEIN 76-0331398 | Arts, Culture, Humanities | TX | $9,038,901Mid-sized | 87.47 |
| Honolulu Museum of ArtEIN 99-0079713 | Arts, Culture, Humanities | HI | $15,092,443Large | 85.23 |
| Houston Museum of Natural ScienceEIN 74-1036131 | Arts, Culture, Humanities | TX | $35,434,393Large | 88.66 |
| Hunter Museum of American ArtEIN 62-0511893 | Arts, Culture, Humanities | TN | $2,934,324Small | 83.82 |
| Huntington Museum of ArtEIN 55-0372921 | Arts, Culture, Humanities | WV | $2,112,790Small | 78.74 |
| Huntsville Museum of ArtEIN 63-0644957 | Arts, Culture, Humanities | AL | $2,277,867Small | 73.13 |
| Hyde Park Art CenterEIN 36-2887294 | Arts, Culture, Humanities | IL | $2,226,933Small | 91.02 |
| Illinois Holocaust Museum & Education CenterEIN 36-3156154 | Arts, Culture, Humanities | IL | $8,417,466Mid-sized | 85.57 |
| Imagine Children's MuseumEIN 94-3153591 | Arts, Culture, Humanities | WA | $2,018,647Small | 96.07 |
| Impression 5 Science CenterEIN 23-7200548 | Arts, Culture, Humanities | MI | $1,619,983Small | 90.58 |
| Independence Seaport MuseumEIN 23-1584971 | Arts, Culture, Humanities | PA | $5,018,524Mid-sized | 81.35 |
| Institute of Contemporary Art, Los AngelesEIN 95-3992968 | Arts, Culture, Humanities | CA | $1,286,254Small | 77.28 |
| International Center of PhotographyEIN 23-7412428 | Arts, Culture, Humanities | NY | $17,276,229Large | 81.79 |
| International Tennis Hall of FameEIN 13-6144356 | Arts, Culture, Humanities | RI | $10,386,956Mid-sized | 85.30 |
| Intrepid Museum FoundationEIN 13-3062419 | Arts, Culture, Humanities | NY | $35,136,930Large | 87.01 |
| Isabella Stewart Gardner MuseumEIN 04-2104334 | Arts, Culture, Humanities | MA | $22,135,619Large | 88.13 |
| James A. Michener Art MuseumEIN 23-2471583 | Arts, Culture, Humanities | PA | $4,039,629Mid-sized | 89.37 |
| Jamestown-Yorktown FoundationEIN 31-1618642 | Arts, Culture, Humanities | VA | $2,823,765Small | 87.55 |
| Japanese American National MuseumEIN 95-3966024 | Arts, Culture, Humanities | CA | $6,296,885Mid-sized | 86.96 |
| John P. McGovern Museum of Health & Medical ScienceEIN 74-6106357 | Arts, Culture, Humanities | TX | $4,374,064Mid-sized | 87.91 |
| Joslyn Art MuseumEIN 47-0384577 | Arts, Culture, Humanities | NE | $7,453,498Mid-sized | 91.81 |
| Kalamazoo Institute of ArtsEIN 38-1617060 | Arts, Culture, Humanities | MI | $3,408,204Small | 84.82 |
| Katonah Museum of ArtEIN 13-6161548 | Arts, Culture, Humanities | NY | $1,716,906Small | 76.43 |
| Kentucky Museum of Art and CraftEIN 61-0985312 | Arts, Culture, Humanities | KY | $1,163,320Small | 80.39 |
| Kidspace Children's MuseumEIN 95-3501213 | Arts, Culture, Humanities | CA | $5,636,442Mid-sized | 94.98 |
| Kohl Children's Museum of Greater ChicagoEIN 36-3706878 | Arts, Culture, Humanities | IL | $4,802,705Mid-sized | 86.88 |
| Laguna Art MuseumEIN 33-0717157 | Arts, Culture, Humanities | CA | $2,339,192Small | 73.10 |
| Lake Erie Nature & Science CenterEIN 34-0845030 | Arts, Culture, Humanities | OH | $1,414,666Small | 92.23 |
| Laumeier Sculpture ParkEIN 43-1131429 | Arts, Culture, Humanities | MO | $1,879,075Small | 73.48 |
| Levine Museum of the New SouthEIN 56-1748648 | Arts, Culture, Humanities | NC | $2,311,042Small | 83.95 |
| Liberty Science CenterEIN 22-2302253 | Arts, Culture, Humanities | NJ | $27,635,857Large | 91.45 |
| Lincoln Children's MuseumEIN 47-0716636 | Arts, Culture, Humanities | NE | $1,529,973Small | 86.62 |
| Lindsay Wildlife MuseumEIN 94-6104179 | Arts, Culture, Humanities | CA | $2,679,461Small | 87.12 |
| Living Arts & Science CenterEIN 61-0675663 | Arts, Culture, Humanities | KY | $883,955Small | 88.93 |
| Lone Star Flight MuseumEIN 76-0213778 | Arts, Culture, Humanities | TX | $4,193,643Mid-sized | 83.29 |
| Long Beach Museum of ArtEIN 95-2567271 | Arts, Culture, Humanities | CA | $1,612,856Small | 84.90 |
| Long Island Children's MuseumEIN 11-3035221 | Arts, Culture, Humanities | NY | $4,693,196Mid-sized | 82.81 |
| Longyear MuseumEIN 04-2203829 | Arts, Culture, Humanities | MA | $3,858,317Mid-sized | 87.55 |
| Los Angeles County Museum of ArtEIN 95-2264067 | Arts, Culture, Humanities | CA | $135,966,047Large | 90.69 |
| Los Angeles Museum of the HolocaustEIN 46-0503824 | Arts, Culture, Humanities | CA | $2,887,434Small | 80.39 |
| Louisiana Children's MuseumEIN 72-0929068 | Arts, Culture, Humanities | LA | $2,248,572Small | 85.55 |
| Madison Children's MuseumEIN 39-1383497 | Arts, Culture, Humanities | WI | $3,527,783Mid-sized | 75.57 |
| Maine Maritime MuseumEIN 01-0271477 | Arts, Culture, Humanities | ME | $3,443,241Small | 95.05 |
| Maltz Museum of Jewish HeritageEIN 04-3684531 | Arts, Culture, Humanities | OH | $3,165,496Small | 85.21 |
| Martha's Vineyard MuseumEIN 04-2160642 | Arts, Culture, Humanities | MA | $2,030,611Small | 73.37 |
| Maryland Science CenterEIN 52-0668166 | Arts, Culture, Humanities | MD | $8,419,673Mid-sized | 82.58 |
| MASS MoCAEIN 04-3113688 | Arts, Culture, Humanities | MA | $14,296,459Large | 79.41 |
| Mattatuck MuseumEIN 06-0443990 | Arts, Culture, Humanities | CT | $2,420,763Small | 84.18 |
| Mattress FactoryEIN 25-1338941 | Arts, Culture, Humanities | PA | $2,030,527Small | 87.88 |
| McLean County Museum of HistoryEIN 37-1414038 | Arts, Culture, Humanities | IL | $1,226,621Small | 84.49 |
| McNay Art MuseumEIN 74-1195277 | Arts, Culture, Humanities | TX | $9,680,975Mid-sized | 91.45 |