| Institute of International EducationEIN 13-1624046 | International | NY | $358,197,642Large | 83.33 |
| InterActionEIN 13-3287064 | International | DC | $9,733,199Mid-sized | 91.01 |
| International Campaign for TibetEIN 52-1570071 | International | DC | $3,169,181Small | 87.16 |
| International Center for JournalistsEIN 11-2724905 | International | DC | $12,304,327Mid-sized | 97.75 |
| International Center for Research on WomenEIN 52-1081455 | International | DC | $12,380,625Mid-sized | 83.72 |
| International Child CareEIN 35-6059274 | International | MI | $665,414Small | 77.85 |
| International Children's CareEIN 93-0717332 | International | WA | $4,074,715Mid-sized | 90.60 |
| International Children's FundEIN 39-1303430 | International | WI | $51,113,670Large | 92.27 |
| International Community FoundationEIN 33-0457858 | International | CA | $11,867,287Mid-sized | 97.17 |
| International Disaster Emergency ServiceEIN 23-7348277 | International | IN | $5,624,560Mid-sized | 97.76 |
| International Eye FoundationEIN 52-0742301 | International | MD | $4,553,179Mid-sized | 81.58 |
| International Fellowship of Christians and JewsEIN 36-3256096 | International | IL | $134,425,717Large | 85.68 |
| International HouseEIN 13-1624048 | International | NY | $16,690,286Large | 88.41 |
| International Institute of Rural Reconstruction (IIRR)EIN 13-6175722 | International | NY | $4,270,136Mid-sized | 90.00 |
| International Justice MissionEIN 54-1722887 | International | DC | $64,086,117Large | 87.44 |
| International Medical CorpsEIN 95-3949646 | International | CA | $138,130,256Large | 84.22 |
| International Orthodox Christian CharitiesEIN 25-1679348 | International | MD | $40,613,412Large | 85.85 |
| International Peace InstituteEIN 03-0213226 | International | NY | $9,589,196Mid-sized | 95.34 |
| International Relief TeamsEIN 33-0412751 | International | CA | $38,184,357Large | 95.58 |
| International Rescue CommitteeEIN 13-5660870 | International | NY | $694,099,188Large | 91.16 |
| International SamaritanEIN 34-1811907 | International | MI | $2,056,011Small | 90.09 |
| International Women's Health CoalitionEIN 23-7378153 | International | NY | $6,565,003Mid-sized | 94.76 |
| International Youth FoundationEIN 38-2935397 | International | MD | $22,195,791Large | 90.04 |
| Invisible ChildrenEIN 54-2164338 | International | DC | $1,622,588Small | 79.04 |
| Islamic Relief USAEIN 95-4453134 | International | VA | $150,398,532Large | 91.16 |
| J Street Education FundEIN 20-2777557 | International | DC | $6,029,203Mid-sized | 86.45 |
| Jamestown FoundationEIN 36-3266722 | International | DC | $1,383,854Small | 89.73 |
| Japan SocietyEIN 13-1675082 | International | NY | $11,400,918Mid-sized | 81.58 |
| Japanese Cultural Center of HawaiiEIN 99-0256147 | International | HI | $1,051,294Small | 73.50 |
| Jewish Institute for National Security of AmericaEIN 52-1233683 | International | DC | $3,816,014Mid-sized | 85.68 |
| Jewish World WatchEIN 20-3406211 | International | CA | $1,639,407Small | 95.03 |
| Just AssociatesEIN 06-1597668 | International | DC | $3,052,770Small | 90.86 |
| Just Detention InternationalEIN 13-3711840 | International | CA | $3,454,847Small | 96.46 |
| Keep a Child AliveEIN 73-1682844 | International | NY | $4,326,731Mid-sized | 85.72 |
| KickStart InternationalEIN 06-1613235 | International | CA | $6,397,358Mid-sized | 84.09 |
| Kids Alive InternationalEIN 31-1140515 | International | IN | $11,481,507Mid-sized | 100.00 |
| Kids Around the WorldEIN 36-4007250 | International | IL | $4,821,524Mid-sized | 96.46 |
| KidsaveEIN 91-1887623 | International | CA | $1,812,547Small | 93.79 |
| KinderUSAEIN 75-2999028 | International | TX | $869,113Small | 90.08 |
| Kingsway CharitiesEIN 54-1668650 | International | VA | $67,067,697Large | 71.53 |
| Kinship UnitedEIN 36-4395095 | International | IL | $4,086,912Mid-sized | 89.39 |
| KivaEIN 71-0992446 | International | CA | $17,714,851Large | 91.60 |
| Kiwanis Children's FundEIN 36-6072039 | International | IN | $6,836,127Mid-sized | 90.54 |
| LandesaEIN 91-1158970 | International | WA | $12,473,980Mid-sized | 94.59 |
| LeSea Global Feed the HungryEIN 32-0053249 | International | IN | $20,810,077Large | 91.36 |
| Liberty in North KoreaEIN 73-1710135 | International | CA | $2,117,955Small | 88.50 |
| Life for Relief and DevelopmentEIN 95-4402149 | International | MI | $10,068,604Mid-sized | 87.25 |
| Life In Abundance InternationalEIN 02-0587875 | International | KY | $2,751,356Small | 92.37 |
| Lifewater InternationalEIN 95-3987142 | International | CA | $4,367,208Mid-sized | 92.49 |
| Lifting GenerationsEIN 80-0001164 | International | UT | $1,750,813Small | 81.62 |
| Living GoodsEIN 20-5010527 | International | CA | $9,618,119Mid-sized | 89.24 |
| Living Water InternationalEIN 76-0324875 | International | TX | $24,044,401Large | 83.01 |
| Los Angeles World Affairs CouncilEIN 95-1783788 | International | CA | $1,489,824Small | 88.03 |
| Los Cabos Children's FoundationEIN 20-2882711 | International | MN | $1,026,454Small | 89.11 |
| Love A Child, Inc.EIN 59-2672303 | International | FL | $64,009,080Large | 94.28 |
| Love Without Boundaries FoundationEIN 06-1710161 | International | OK | $2,095,217Small | 90.71 |
| MADREEIN 13-3280194 | International | NY | $4,284,836Mid-sized | 95.83 |
| Malaria No More FundEIN 20-5664575 | International | WA | $12,697,093Mid-sized | 92.14 |
| 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 |