| The Heartland InstituteEIN 36-3309812 | Research and Public Policy | IL | $5,471,048Mid-sized | 86.37 |
| The Heat and Warmth FundEIN 38-2646924 | Human Services | MI | $13,020,181Mid-sized | 89.39 |
| The Henry Art GalleryEIN 23-7052537 | Arts, Culture, Humanities | WA | $3,367,162Small | 83.29 |
| The Henry FordEIN 38-1359513 | Arts, Culture, Humanities | MI | $75,344,480Large | 75.71 |
| The Heritage FoundationEIN 23-7327730 | Research and Public Policy | DC | $85,427,198Large | 86.19 |
| The Hetrick-Martin InstituteEIN 13-3104537 | Human Services | NY | $8,903,489Mid-sized | 83.77 |
| The Hiram HouseEIN 34-0714352 | Human Services | OH | $1,413,573Small | 78.44 |
| The HistoryMakersEIN 36-4328170 | Arts, Culture, Humanities | IL | $3,214,859Small | 90.00 |
| The Holden ArboretumEIN 34-0750346 | Environment | OH | $9,101,643Mid-sized | 91.14 |
| The Hole in the Wall Gang FundEIN 06-1157655 | Health | CT | $13,254,529Mid-sized | 88.13 |
| The Homeless Families FoundationEIN 31-1179492 | Human Services | OH | $2,473,597Small | 96.06 |
| The Hope FoundationEIN 74-2655302 | Health | MI | $7,693,060Mid-sized | 94.69 |
| The Hope Heart Institute EIN 91-1138000 | Health | WA | $1,509,945Small | 78.13 |
| The HOPE ProgramEIN 13-3268539 | Human Services | NY | $2,625,909Small | 85.75 |
| The Horticultural Society of New YorkEIN 13-0854930 | Environment | NY | $2,923,366Small | 88.81 |
| The House FMEIN 73-1357030 | Religion | OK | $1,507,573Small | 69.79 |
| The Humane Society for Tacoma and Pierce CountyEIN 91-0577128 | Animals | WA | $5,119,426Mid-sized | 91.13 |
| The Humane Society NaplesEIN 59-1033966 | Animals | FL | $3,738,881Mid-sized | 96.18 |
| The Humane Society of the United StatesEIN 53-0225390 | Animals | DC | $126,131,691Large | 75.49 |
| The Hunger ProjectEIN 94-2443282 | International | NY | $16,822,489Large | 88.33 |
| The Huntington Library, Art Collections, and Botanical GardensEIN 95-1644589 | Arts, Culture, Humanities | CA | $75,523,759Large | 92.00 |
| The Hyde CollectionEIN 14-1401101 | Arts, Culture, Humanities | NY | $2,046,305Small | 83.05 |
| The Idea VillageEIN 45-0470675 | Community Development | LA | $2,405,571Small | 94.54 |
| The Immokalee FoundationEIN 65-0315664 | Education | FL | $3,144,627Small | 93.67 |
| The Independent InstituteEIN 94-3008370 | Research and Public Policy | CA | $3,196,579Small | 96.38 |
| The Indiana Youth InstituteEIN 31-1251680 | Human Services | IN | $4,996,670Mid-sized | 84.69 |
| The Indianapolis Public Library FoundationEIN 23-7016089 | Arts, Culture, Humanities | IN | $3,415,801Small | 86.43 |
| The Ingenuity ProjectEIN 52-1942495 | Education | MD | $1,378,878Small | 81.65 |
| The INNEIN 11-2676892 | Human Services | NY | $7,100,719Mid-sized | 90.56 |
| The Institute for Human ServicesEIN 99-0199107 | Human Services | HI | $14,569,060Large | 80.30 |
| The Institute of Contemporary ArtEIN 04-2104327 | Arts, Culture, Humanities | MA | $15,163,979Large | 87.20 |
| The Interfaith Alliance FoundationEIN 81-0587332 | Religion | DC | $850,247Small | 76.28 |
| The Interfaith Center of New YorkEIN 13-3926970 | Religion | NY | $839,609Small | 70.16 |
| The International Dyslexia AssociationEIN 52-0953609 | Health | MD | $2,746,898Small | 81.86 |
| The Ireland Funds AmericaEIN 25-1306992 | International | MA | $33,128,738Large | 91.16 |
| The Irish Repertory TheatreEIN 13-3531713 | Arts, Culture, Humanities | NY | $4,241,257Mid-sized | 92.22 |
| The Israel ProjectEIN 37-1472882 | International | DC | $7,296,008Mid-sized | 79.32 |
| The Jackson LaboratoryEIN 01-0211513 | Health | ME | $335,594,164Large | 95.21 |
| The Jamestown Community CenterEIN 94-3213124 | Human Services | CA | $2,760,994Small | 87.33 |
| The JCC in ManhattanEIN 13-3490745 | Human Services | NY | $33,977,017Large | 84.31 |
| The Jed FoundationEIN 13-4131139 | Health | NY | $4,630,866Mid-sized | 95.33 |
| The Jerusalem FoundationEIN 13-2563745 | Community Development | NY | $12,814,868Mid-sized | 87.25 |
| The Jewish Community Center of Greater ColumbusEIN 31-4379496 | Human Services | OH | $10,577,878Mid-sized | 92.50 |
| The Jewish Education ProjectEIN 13-1632519 | Religion | NY | $10,211,313Mid-sized | 83.83 |
| The Jewish Federation in the Heart of New JerseyEIN 22-1500549 | Community Development | NJ | $5,031,431Mid-sized | 89.62 |
| The Jewish Federation of Greater WashingtonEIN 53-0212445 | Community Development | MD | $29,760,407Large | 88.93 |
| The Jewish Federation of Pinellas & Pasco Counties, FloridaEIN 59-0697685 | Community Development | FL | $1,323,337Small | 84.96 |
| The Jewish MuseumEIN 13-6146854 | Arts, Culture, Humanities | NY | $20,095,013Large | 79.90 |
| The Joe Torre Safe At Home FoundationEIN 03-0442514 | Human Services | NY | $2,665,036Small | 84.11 |
| The Joffrey BalletEIN 36-4009741 | Arts, Culture, Humanities | IL | $19,599,699Large | 91.61 |
| The John Ankerberg ShowEIN 62-1138444 | Religion | TN | $4,616,319Mid-sized | 66.57 |
| The John F. Kennedy Center for the Performing ArtsEIN 53-0245017 | Arts, Culture, Humanities | DC | $227,384,468Large | 90.46 |
| The Joshua FundEIN 20-5350994 | International | VA | $6,070,253Mid-sized | 86.31 |
| The Julian CenterEIN 35-1346514 | Human Services | IN | $3,779,507Mid-sized | 91.57 |
| The Kalamazoo Civic TheatreEIN 38-1540000 | Arts, Culture, Humanities | MI | $2,612,218Small | 91.27 |
| The Kentucky United Methodist Homes for Children & YouthEIN 61-0458375 | Human Services | KY | $6,698,802Mid-sized | 90.80 |
| The King Arts ComplexEIN 23-7065803 | Arts, Culture, Humanities | OH | $1,265,767Small | 80.58 |
| The KitchenEIN 13-2829756 | Arts, Culture, Humanities | NY | $2,262,508Small | 88.02 |
| The Knoxville Jewish AllianceEIN 62-0452960 | Human Services | TN | $1,223,530Small | 77.19 |
| The Koby Mandell FoundationEIN 91-2169027 | Human Services | NY | $1,549,506Small | 81.07 |