| Galveston Bay FoundationEIN 76-0279876 | Environment | TX | $6,699,575Mid-sized | 92.92 |
| Gary Sinise FoundationEIN 80-0587086 | Human Services | CA | $21,847,952Large | 100.00 |
| 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 |
| 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 Historical SocietyEIN 58-0593403 | Arts, Culture, Humanities | GA | $2,525,463Small | 95.86 |
| Georgia Transplant FoundationEIN 58-2075193 | Health | GA | $3,994,556Mid-sized | 95.02 |
| Georgia Wildlife FederationEIN 58-0676737 | Animals | GA | $842,273Small | 90.94 |
| Gifts of LoveEIN 06-1309318 | Human Services | CT | $1,800,248Small | 90.45 |
| Gilda's Club LouisvilleEIN 20-1635170 | Health | KY | $1,606,203Small | 91.51 |
| Gina Gibney DanceEIN 13-3623815 | Arts, Culture, Humanities | NY | $5,439,709Mid-sized | 90.45 |
| Girl Scouts of Greater New YorkEIN 13-1624014 | Human Services | NY | $7,187,415Mid-sized | 94.96 |
| Girl Scouts of Gulfcoast FloridaEIN 59-0760212 | Human Services | FL | $3,969,428Mid-sized | 92.95 |
| Girl Scouts of San Jacinto CouncilEIN 74-6001254 | Human Services | TX | $16,644,305Large | 91.86 |
| Girl Scouts of the USAEIN 13-1624016 | Human Services | NY | $100,789,667Large | 90.00 |
| Girl Scouts, Arizona Cactus-Pine CouncilEIN 86-0133397 | Human Services | AZ | $12,048,044Mid-sized | 91.43 |
| Girls Inc.EIN 13-1915124 | Human Services | NY | $10,039,039Mid-sized | 95.52 |
| Girls Inc. of Alameda CountyEIN 94-1558073 | Human Services | CA | $6,594,759Mid-sized | 93.58 |
| Girls Inc. of CarpinteriaEIN 23-7430292 | Human Services | CA | $1,261,255Small | 97.11 |
| Girls Inc. of Metropolitan DallasEIN 75-1305705 | Human Services | TX | $2,285,594Small | 90.61 |
| Girls Inc. of New York CityEIN 13-4028433 | Human Services | NY | $2,667,855Small | 93.95 |
| Girls Inc. of OmahaEIN 47-0562184 | Human Services | NE | $3,029,840Small | 97.35 |
| Girls Inc. of Sarasota CountyEIN 23-7363275 | Human Services | FL | $1,454,594Small | 90.29 |
| Girls Inc. of WorcesterEIN 04-2123666 | Human Services | MA | $1,581,528Small | 90.50 |
| Give an HourEIN 61-1493378 | Human Services | MD | $2,352,831Small | 92.24 |
| Give Kids The World VillageEIN 59-2654440 | Health | FL | $50,252,852Large | 98.62 |
| Giving Children HopeEIN 95-3464287 | International | CA | $31,534,281Large | 90.71 |
| Glaucoma Research FoundationEIN 94-2495035 | Health | CA | $3,662,647Mid-sized | 90.21 |
| GLBTQ Legal Advocates & Defenders (GLAD)EIN 04-2660498 | Human and Civil Rights | MA | $3,445,443Small | 90.21 |
| Gleaners Community Food Bank of Southeastern MichiganEIN 38-2156255 | Human Services | MI | $110,132,479Large | 92.74 |
| Gleaners Food Bank of IndianaEIN 35-1483868 | Human Services | IN | $45,462,977Large | 90.23 |
| Gleanings For The HungryEIN 77-0170546 | International | CA | $6,578,862Mid-sized | 91.81 |
| Global AdvanceEIN 75-2332727 | Religion | TX | $2,285,191Small | 90.00 |
| Global AIDS Interfaith AllianceEIN 94-3364364 | International | CA | $2,861,625Small | 90.27 |
| Global Greengrants FundEIN 84-1612422 | International | CO | $11,450,149Mid-sized | 98.23 |
| Global Health MinistriesEIN 36-3532234 | International | MN | $4,091,250Mid-sized | 95.30 |
| Global KidsEIN 13-3629485 | Education | NY | $5,664,319Mid-sized | 92.55 |
| Global LinksEIN 52-1629060 | International | PA | $5,309,054Mid-sized | 93.62 |
| Global MinnesotaEIN 41-0826559 | International | MN | $1,312,023Small | 92.69 |
| Global Training NetworkEIN 68-0586399 | Religion | AZ | $4,699,861Mid-sized | 93.91 |
| Global Wildlife ConservationEIN 26-2887967 | Animals | TX | $4,750,768Mid-sized | 95.98 |
| GlobalGivingEIN 30-0108263 | International | DC | $47,048,596Large | 98.23 |
| Globus ReliefEIN 84-1369453 | International | UT | $75,253,363Large | 100.00 |
| God's Pantry Food BankEIN 31-0979404 | Human Services | KY | $36,535,610Large | 94.54 |
| God's Pit CrewEIN 54-1974979 | Human Services | VA | $11,933,951Mid-sized | 93.91 |
| Goddard Riverside Community CenterEIN 13-1893908 | Human Services | NY | $30,141,925Large | 91.61 |
| GoggleWorks Center for the Arts EIN 41-2165262 | Arts, Culture, Humanities | PA | $2,169,365Small | 91.75 |
| Golden Gate National Parks ConservancyEIN 94-2781708 | Environment | CA | $55,050,170Large | 90.38 |
| Good People FundEIN 26-1887249 | Community Development | NJ | $1,666,414Small | 92.74 |
| Good Samaritan Community ServicesEIN 74-1117340 | Human Services | TX | $4,603,254Mid-sized | 93.74 |
| Good Samaritan Health CenterEIN 58-2373395 | Health | GA | $4,216,340Mid-sized | 91.55 |
| Good Shepherd Food Bank of MaineEIN 22-2986809 | Human Services | ME | $52,098,847Large | 93.98 |
| Good SportsEIN 75-3138664 | Human Services | MA | $10,400,930Mid-sized | 97.17 |
| GOOD+ FoundationEIN 31-1777082 | Human Services | NY | $9,367,845Mid-sized | 98.23 |
| Good360EIN 54-1282616 | Human Services | VA | $355,998,847Large | 91.02 |
| Goodman Jewish Family Service of Broward CountyEIN 59-0995106 | Human Services | FL | $18,696,909Large | 91.16 |
| Goodwill of Orange CountyEIN 95-1644018 | Human Services | CA | $81,986,874Large | 90.01 |
| Goodwill of Silicon ValleyEIN 94-1212132 | Human Services | CA | $45,042,176Large | 90.74 |