| Christ Reaching Asia Mission WorldwideEIN 35-2047209 | International | IN | $1,531,199Small | 84.00 |
| Christ's Haven for ChildrenEIN 23-7164673 | Human Services | TX | $2,639,279Small | 87.36 |
| Christian Action NetworkEIN 54-1756470 | Religion | VA | $959,579Small | 52.88 |
| Christian Community Action, ConnecticutEIN 06-0841885 | Human Services | CT | $1,743,577Small | 87.42 |
| Christian Community Service CenterEIN 74-2128141 | Human Services | TX | $3,478,526Small | 92.21 |
| Christian Educational MinistriesEIN 75-2620990 | Religion | TX | $685,525Small | 64.42 |
| Christian Family Life IncorporatedEIN 75-1374621 | Religion | NC | $787,431Small | 54.86 |
| Christian Freedom InternationalEIN 52-1283394 | International | VA | $961,785Small | 90.44 |
| Christian HELP FoundationEIN 59-3107271 | Human Services | FL | $1,643,685Small | 86.67 |
| Christian Leadership ConceptsEIN 62-1177279 | Religion | TN | $1,128,164Small | 78.27 |
| Christian Legal SocietyEIN 36-6101090 | Religion | VA | $1,386,703Small | 90.71 |
| Christian Life ResourcesEIN 39-1601307 | Religion | WI | $478,835Small | 68.93 |
| Christian Ministries FoundationEIN 36-2606232 | Community Development | GA | $660,233Small | 56.42 |
| Christian Record ServicesEIN 47-0405439 | Religion | NE | $2,049,553Small | 73.82 |
| Christian Salvation ServiceEIN 98-0085066 | International | CA | $1,550,401Small | 64.06 |
| Christian Service Center for Central FloridaEIN 59-1353031 | Human Services | FL | $1,396,639Small | 84.23 |
| Christian ServicesEIN 64-0730835 | Human Services | MS | $915,591Small | 92.85 |
| Christian Solidarity InternationalEIN 33-0826951 | Religion | CA | $1,186,127Small | 88.46 |
| Christian World OutreachEIN 84-1445744 | International | CO | $893,873Small | 91.99 |
| Christine Ann Domestic Abuse ServicesEIN 39-1441770 | Human Services | WI | $1,271,189Small | 81.30 |
| Chrysalis Shelter for Victims of Domestic ViolenceEIN 86-0447620 | Human Services | AZ | $2,974,397Small | 88.45 |
| CHUMEIN 41-1227969 | Human Services | MN | $2,486,042Small | 90.23 |
| Church Hill Activities and TutoringEIN 20-0220263 | Education | VA | $2,156,767Small | 94.70 |
| CIA Officers Memorial FoundationEIN 52-2360463 | Human Services | VA | $1,536,236Small | 99.25 |
| Cincinnati Parks FoundationEIN 31-1429016 | Environment | OH | $1,059,563Small | 89.02 |
| Cincinnati WorksEIN 31-1656186 | Human Services | OH | $3,222,679Small | 90.28 |
| CinequestEIN 77-0250734 | Arts, Culture, Humanities | CA | $1,297,850Small | 88.19 |
| Circle Of ConcernEIN 23-7085010 | Human Services | MO | $2,170,713Small | 86.52 |
| Citizens Committee for New York CityEIN 51-0171818 | Community Development | NY | $2,613,376Small | 93.18 |
| Citizens for Animal ProtectionEIN 23-7296260 | Animals | TX | $3,498,478Small | 90.68 |
| Citizens for Global Solutions Education FundEIN 52-6081813 | International | DC | $168,324Small | 72.93 |
| Citizens for Responsibility and Ethics in WashingtonEIN 03-0445391 | Human and Civil Rights | DC | $1,995,677Small | 81.04 |
| Citizens' Committee for Children of New YorkEIN 13-5618593 | Human Services | NY | $2,913,471Small | 88.26 |
| Citrus Center Boys & Girls ClubEIN 59-0776417 | Human Services | FL | $1,022,421Small | 73.61 |
| City ImpactEIN 47-0800906 | Religion | NE | $1,076,962Small | 75.66 |
| City Rescue Mission of LansingEIN 38-1626400 | Human Services | MI | $3,402,158Small | 91.71 |
| City TheatreEIN 25-1554580 | Arts, Culture, Humanities | PA | $3,008,701Small | 86.90 |
| Civic FederationEIN 36-2170124 | Research and Public Policy | IL | $1,724,422Small | 76.05 |
| Civic Garden Center of Greater CincinnatiEIN 31-0559893 | Environment | OH | $779,757Small | 79.83 |
| Clara White MissionEIN 59-6002104 | Human Services | FL | $2,278,850Small | 86.84 |
| Clare Boothe Luce Policy InstituteEIN 54-1672138 | Human and Civil Rights | VA | $1,351,379Small | 94.63 |
| Clarion ProjectEIN 20-5845679 | Research and Public Policy | DC | $2,549,070Small | 63.65 |
| Claris HealthEIN 95-4806856 | Health | CA | $1,155,601Small | 85.87 |
| Classic Wines AuctionEIN 20-1260228 | Human Services | OR | $3,217,257Small | 82.82 |
| Clean Ocean ActionEIN 22-2897204 | Environment | NJ | $581,461Small | 92.82 |
| Clean WisconsinEIN 39-1413448 | Environment | WI | $1,905,696Small | 89.72 |
| Clear Horizons AcademyEIN 20-2697232 | Education | UT | $622,733Small | 69.34 |
| Clearwater Camp FoundationEIN 43-2024465 | Human Services | WI | $890,698Small | 86.95 |
| Clearwater Free ClinicEIN 59-1852871 | Health | FL | $3,222,946Small | 92.22 |
| Cleveland International Film FestivalEIN 34-1262368 | Arts, Culture, Humanities | OH | $3,287,755Small | 93.55 |
| Cleveland Leadership CenterEIN 34-1927317 | Education | OH | $1,646,527Small | 86.32 |
| Cleveland Public TheatreEIN 34-1359225 | Arts, Culture, Humanities | OH | $2,140,830Small | 92.22 |
| Climate SolutionsEIN 91-1123302 | Environment | WA | $3,134,433Small | 82.66 |
| Clinic for the Rehabilitation of WildlifeEIN 23-7271040 | Animals | FL | $1,469,633Small | 88.36 |
| Clothes To KidsEIN 14-1849798 | Human Services | FL | $1,221,078Small | 91.27 |
| Coalition Against Trafficking in WomenEIN 22-3032134 | International | NY | $720,237Small | 82.48 |
| Coalition for Clean AirEIN 23-7120567 | Environment | CA | $1,050,597Small | 85.15 |
| Coalition for Engaged EducationEIN 95-4515019 | Education | CA | $1,278,892Small | 79.09 |
| Coalition to Restore Coastal LouisianaEIN 72-1115589 | Environment | LA | $2,240,672Small | 85.48 |
| Coburn Place Safe HavenEIN 37-1421922 | Human Services | IN | $1,762,647Small | 79.43 |