| G.O. MinistriesEIN 36-4092893 | Religion | KY | $4,970,449Mid-sized | 90.39 |
| Galapagos ConservancyEIN 13-3281486 | Environment | VA | $4,584,984Mid-sized | 93.13 |
| Galveston Bay FoundationEIN 76-0279876 | Environment | TX | $6,699,575Mid-sized | 92.92 |
| Galveston Historical FoundationEIN 74-1487824 | Arts, Culture, Humanities | TX | $5,038,923Mid-sized | 85.57 |
| Garden of Dreams FoundationEIN 13-3979726 | Education | NY | $8,786,407Mid-sized | 80.02 |
| Garfield Park Conservatory AllianceEIN 36-4200490 | Environment | IL | $1,410,897Small | 86.16 |
| Garner Ted Armstrong Evangelistic AssociationEIN 75-2741186 | Religion | TX | $797,169Small | 49.68 |
| Gary Sinise FoundationEIN 80-0587086 | Human Services | CA | $21,847,952Large | 100.00 |
| Gateway Rescue MissionEIN 64-0369382 | Human Services | MS | $3,051,779Small | 80.05 |
| Gateway to College National NetworkEIN 32-0237828 | Education | OR | $1,897,637Small | 83.77 |
| Gateway180 :: Homelessness ReversedEIN 43-1099929 | Human Services | MO | $1,838,334Small | 84.79 |
| GatewaysEIN 13-3984085 | Religion | NY | $11,137,861Mid-sized | 73.30 |
| Gateways: Access to Jewish EducationEIN 04-3494246 | Education | MA | $2,861,870Small | 83.10 |
| Gay & Lesbian Alliance Against Defamation (GLAAD)EIN 13-3384027 | Human and Civil Rights | CA | $5,158,959Mid-sized | 80.78 |
| Gay Men's Health CrisisEIN 13-3130146 | Health | NY | $26,881,078Large | 80.42 |
| GBS|CIDP Foundation InternationalEIN 22-2474769 | Health | PA | $2,303,548Small | 100.00 |
| Geauga Humane SocietyEIN 23-7358431 | Animals | OH | $2,176,229Small | 91.88 |
| Geffen PlayhouseEIN 95-4492653 | Arts, Culture, Humanities | CA | $12,667,690Mid-sized | 91.69 |
| Genders & Sexualities Alliance NetworkEIN 20-5367752 | Human and Civil Rights | CA | $1,824,491Small | 85.88 |
| General Israel Orphans Home for Girls, USAEIN 13-5640819 | Human Services | NY | $2,051,884Small | 61.12 |
| Generation RescueEIN 20-2063267 | Health | CA | $1,656,163Small | 82.88 |
| Genesee Country Village & MuseumEIN 16-0918567 | Arts, Culture, Humanities | NY | $4,000,900Mid-sized | 88.06 |
| Genesis Women's ShelterEIN 75-1881365 | Human Services | TX | $9,267,382Mid-sized | 83.66 |
| Gentle Giants Draft Horse RescueEIN 59-3822764 | Animals | MD | $2,911,667Small | 76.67 |
| Geological Society of America FoundationEIN 74-2156871 | Education | CO | $1,831,472Small | 75.21 |
| George Bush Presidential Library FoundationEIN 76-0345781 | Arts, Culture, Humanities | TX | $4,239,103Mid-sized | 67.24 |
| George Eastman HouseEIN 16-0743991 | Arts, Culture, Humanities | NY | $9,479,376Mid-sized | 80.32 |
| George Mark Children's HouseEIN 94-3255845 | Health | CA | $4,727,273Mid-sized | 81.41 |
| George Street PlayhouseEIN 23-7361588 | Arts, Culture, Humanities | NJ | $5,400,043Mid-sized | 88.81 |
| George W. Bush Presidential CenterEIN 20-4119317 | Arts, Culture, Humanities | TX | $41,127,663Large | 84.87 |
| George Washington Masonic National Memorial AssociationEIN 54-0545202 | Arts, Culture, Humanities | VA | $2,530,375Small | 91.29 |
| Georgia Center for Child AdvocacyEIN 58-1762069 | Human Services | GA | $2,763,345Small | 91.26 |
| Georgia ConservancyEIN 58-1027246 | Environment | GA | $1,625,987Small | 86.47 |
| Georgia Firefighters Burn FoundationEIN 58-1502885 | Health | GA | $835,964Small | 79.99 |
| Georgia Historical SocietyEIN 58-0593403 | Arts, Culture, Humanities | GA | $2,525,463Small | 95.86 |
| Georgia O'Keeffe MuseumEIN 85-0437114 | Arts, Culture, Humanities | NM | $8,557,856Mid-sized | 81.54 |
| Georgia Partnership for Excellence in EducationEIN 58-1974586 | Education | GA | $1,753,157Small | 86.22 |
| Georgia Sheriffs' AssociationEIN 58-0808948 | Human Services | GA | $2,733,162Small | 78.69 |
| Georgia Sheriffs' Youth HomesEIN 58-1310087 | Human Services | GA | $5,381,430Mid-sized | 83.80 |
| Georgia Southern University Athletic FoundationEIN 58-1485954 | Education | GA | $3,744,326Mid-sized | 82.76 |
| Georgia Transplant FoundationEIN 58-2075193 | Health | GA | $3,994,556Mid-sized | 95.02 |
| Georgia Wildlife FederationEIN 58-0676737 | Animals | GA | $842,273Small | 90.94 |
| Geos InstituteEIN 93-0880205 | Environment | OR | $861,909Small | 82.30 |
| German Foundation for World PopulationEIN 30-0245250 | International | NY | $7,489,826Mid-sized | 74.13 |
| German Marshall Fund of the USEIN 52-0954751 | International | DC | $26,863,805Large | 81.38 |
| Gershman YEIN 23-1352242 | Human Services | PA | $1,241,051Small | 77.40 |
| Gesu SchoolEIN 23-2728931 | Education | PA | $4,844,030Mid-sized | 88.41 |
| Getting Out and Staying OutEIN 06-1711370 | Education | NY | $1,964,634Small | 87.88 |
| Gibbes Museum of ArtEIN 57-0323047 | Arts, Culture, Humanities | SC | $2,971,358Small | 77.90 |
| Gift of Adoption FundEIN 39-1863217 | Human Services | IL | $1,637,691Small | 89.66 |
| Gifts of LoveEIN 06-1309318 | Human Services | CT | $1,800,248Small | 90.45 |
| Gilda's Club ChicagoEIN 36-4115144 | Health | IL | $1,770,438Small | 82.32 |
| Gilda's Club Grand RapidsEIN 38-3367525 | Health | MI | $1,573,152Small | 80.23 |
| Gilda's Club LouisvilleEIN 20-1635170 | Health | KY | $1,606,203Small | 91.51 |
| Gilda's Club New York CityEIN 13-4046652 | Health | NY | $2,235,834Small | 83.36 |
| Gilda's Club WestchesterEIN 13-3939823 | Health | NY | $1,135,742Small | 79.48 |
| Gina Gibney DanceEIN 13-3623815 | Arts, Culture, Humanities | NY | $5,439,709Mid-sized | 90.45 |
| Girl Scouts Heart of the HudsonEIN 13-2985898 | Human Services | NY | $7,073,598Mid-sized | 80.90 |
| Girl Scouts of Central MarylandEIN 52-0780207 | Human Services | MD | $6,089,373Mid-sized | 88.56 |
| Girl Scouts of Citrus CouncilEIN 59-0696293 | Human Services | FL | $5,404,617Mid-sized | 88.22 |