| Intrepid Museum FoundationEIN 13-3062419 | Arts, Culture, Humanities | NY | $35,136,930Large | 87.01 |
| Invest in KidsEIN 84-1455282 | Human Services | CO | $2,449,872Small | 82.39 |
| Iowa Citizens for Community ImprovementEIN 42-1110721 | Research and Public Policy | IA | $1,101,924Small | 88.90 |
| Iowa State University Alumni AssociationEIN 42-6062614 | Education | IA | $4,416,820Mid-sized | 86.24 |
| Irish Arts CenterEIN 51-0244834 | Arts, Culture, Humanities | NY | $3,362,693Small | 81.56 |
| Irving CaresEIN 75-1436937 | Human Services | TX | $1,778,752Small | 85.87 |
| Isabella Stewart Gardner MuseumEIN 04-2104334 | Arts, Culture, Humanities | MA | $22,135,619Large | 88.13 |
| ISAIAHEIN 41-1957358 | Human and Civil Rights | MN | $2,585,091Small | 84.70 |
| Island PressEIN 94-2578166 | Environment | DC | $4,526,796Mid-sized | 89.27 |
| Israel Cancer Research FundEIN 51-0181215 | Health | NY | $4,379,201Mid-sized | 80.22 |
| Israel Tennis Centers Foundation EIN 13-2961273 | Human Services | NY | $5,681,128Mid-sized | 87.01 |
| Issaquah Schools FoundationEIN 94-3050254 | Education | WA | $1,780,418Small | 86.14 |
| Izaak Walton League of AmericaEIN 36-1930035 | Environment | MD | $2,407,893Small | 85.81 |
| J Street Education FundEIN 20-2777557 | International | DC | $6,029,203Mid-sized | 86.45 |
| Jack & Jill Children's CenterEIN 59-0637870 | Human Services | FL | $3,014,708Small | 88.30 |
| Jack and Jill Late Stage Cancer FoundationEIN 20-4415512 | Health | GA | $957,055Small | 88.74 |
| Jackie Robinson FoundationEIN 13-2896345 | Education | NY | $8,797,164Mid-sized | 86.86 |
| Jackson Hole Conservation AllianceEIN 83-0245647 | Environment | WY | $720,418Small | 86.39 |
| Jacksonville Humane SocietyEIN 59-0624410 | Animals | FL | $4,140,723Mid-sized | 87.54 |
| Jacksonville Symphony OrchestraEIN 59-6002520 | Arts, Culture, Humanities | FL | $13,394,954Mid-sized | 87.57 |
| James A. Michener Art MuseumEIN 23-2471583 | Arts, Culture, Humanities | PA | $4,039,629Mid-sized | 89.37 |
| James River AssociationEIN 51-0211913 | Environment | VA | $1,942,172Small | 88.07 |
| James Sewell BalletEIN 41-1787932 | Arts, Culture, Humanities | MN | $1,019,266Small | 81.71 |
| Jamestown FoundationEIN 36-3266722 | International | DC | $1,383,854Small | 89.73 |
| Jamestown-Yorktown FoundationEIN 31-1618642 | Arts, Culture, Humanities | VA | $2,823,765Small | 87.55 |
| Japan SocietyEIN 13-1675082 | International | NY | $11,400,918Mid-sized | 81.58 |
| Japanese American Citizens LeagueEIN 94-1245885 | Human and Civil Rights | CA | $2,415,606Small | 84.12 |
| Japanese American National MuseumEIN 95-3966024 | Arts, Culture, Humanities | CA | $6,296,885Mid-sized | 86.96 |
| Jazz Aspen SnowmassEIN 84-1220222 | Arts, Culture, Humanities | CO | $9,116,867Mid-sized | 86.72 |
| JCC Association of North AmericaEIN 13-5599486 | Human Services | NY | $13,046,163Mid-sized | 84.61 |
| Jenesse CenterEIN 95-3652529 | Human Services | CA | $3,425,453Small | 88.06 |
| Jenkins Arboretum & GardensEIN 23-2726419 | Environment | PA | $1,101,078Small | 84.21 |
| Jeremiah ProgramEIN 41-1801834 | Human Services | MN | $7,486,234Mid-sized | 85.13 |
| Jesuit College Preparatory School of Dallas FoundationEIN 75-6054602 | Education | TX | $2,643,067Small | 86.00 |
| Jewish Agency for Israel-North American CouncilEIN 23-0053483 | Religion | NY | $13,851,885Large | 81.74 |
| Jewish Children's Regional ServiceEIN 72-0408936 | Human Services | LA | $1,578,682Small | 86.10 |
| Jewish Community Center of ChicagoEIN 36-2167758 | Human Services | IL | $42,941,017Large | 88.44 |
| Jewish Community Center of Mid-WestchesterEIN 13-3617061 | Human Services | NY | $4,648,689Mid-sized | 88.98 |
| Jewish Community Council of Greater Coney IslandEIN 11-2665181 | Human Services | NY | $29,927,972Large | 89.02 |
| Jewish Community Federation of Greater RochesterEIN 16-0868942 | Community Development | NY | $6,604,852Mid-sized | 86.63 |
| Jewish Family & Children's Service of the SuncoastEIN 59-2693318 | Human Services | FL | $8,676,862Mid-sized | 89.63 |
| Jewish Family and Children's Services of San Francisco, the Peninsula, Marin and Sonoma CountiesEIN 94-1156528 | Human Services | CA | $35,655,324Large | 88.14 |
| Jewish Family Service of ColoradoEIN 84-0402701 | Human Services | CO | $11,520,721Mid-sized | 87.17 |
| Jewish Family Service of Los AngelesEIN 95-1691013 | Human Services | CA | $31,765,487Large | 86.72 |
| Jewish Family Service of Metrowest New JerseyEIN 22-1687995 | Human Services | NJ | $5,099,495Mid-sized | 87.99 |
| Jewish Family Service of SeattleEIN 91-0565537 | Human Services | WA | $10,055,729Mid-sized | 86.49 |
| Jewish Family Service of StamfordEIN 06-1130830 | Human Services | CT | $1,946,176Small | 83.52 |
| Jewish Family Services of Middlesex CountyEIN 22-2281774 | Human Services | NJ | $3,774,453Mid-sized | 89.39 |
| Jewish Federation Council of Greater Los AngelesEIN 95-1643388 | Community Development | CA | $52,208,996Large | 85.52 |
| Jewish Federation of Atlantic and Cape May CountiesEIN 21-0632971 | Community Development | NJ | $966,654Small | 80.04 |
| Jewish Federation of Central MassachusettsEIN 04-2104363 | Community Development | MA | $1,531,234Small | 86.13 |
| Jewish Federation of Central New YorkEIN 15-0543614 | Community Development | NY | $1,301,629Small | 85.35 |
| Jewish Federation of Collier CountyEIN 59-2151725 | Community Development | FL | $1,685,505Small | 82.78 |
| Jewish Federation of Greater BuffaloEIN 16-0743210 | Community Development | NY | $3,105,436Small | 89.69 |
| Jewish Federation of Greater CharlotteEIN 56-1951745 | Community Development | NC | $4,181,323Mid-sized | 88.55 |
| Jewish Federation of Greater DaytonEIN 31-0537488 | Community Development | OH | $5,387,500Mid-sized | 86.95 |
| Jewish Federation of Greater HoustonEIN 74-1109654 | Community Development | TX | $12,609,897Mid-sized | 81.48 |
| Jewish Federation of Greater Long Beach and West Orange CountyEIN 95-1647830 | Human Services | CA | $2,311,605Small | 83.88 |
| Jewish Federation of Greater Metrowest NJEIN 22-1487222 | Community Development | NJ | $48,649,864Large | 87.38 |
| Jewish Federation of Greater PhiladelphiaEIN 23-1500085 | Community Development | PA | $39,009,209Large | 86.71 |