| Berkshire Humane SocietyEIN 04-3148018 | Animals | MA | $1,460,649Small | 86.63 |
| Berkshire MuseumEIN 04-2103878 | Arts, Culture, Humanities | MA | $3,117,319Small | 86.85 |
| Berkshire United WayEIN 04-2104841 | Community Development | MA | $2,754,541Small | 83.91 |
| Bermuda Institute of Ocean SciencesEIN 06-0706038 | Research and Public Policy | NY | $15,876,165Large | 94.04 |
| Bernheim Arboretum and Research ForestEIN 61-0444651 | Environment | KY | $3,094,982Small | 87.30 |
| Best Buddies InternationalEIN 52-1614576 | Human Services | FL | $26,289,255Large | 87.85 |
| BestPrepEIN 41-1265355 | Education | MN | $1,538,322Small | 87.56 |
| Bet TzedekEIN 23-7304205 | Human and Civil Rights | CA | $7,647,552Mid-sized | 88.25 |
| Bethel Bible VillageEIN 62-6019872 | Human Services | TN | $2,186,364Small | 92.20 |
| Bethesda AcademyEIN 58-0637013 | Education | GA | $3,955,168Mid-sized | 86.29 |
| Bethesda Lutheran CommunitiesEIN 39-0806446 | Human Services | WI | $150,208,423Large | 84.39 |
| Bethesda MissionEIN 23-1389397 | Human Services | PA | $7,449,308Mid-sized | 90.71 |
| Bethesda-Chevy Chase Rescue SquadEIN 52-0583872 | Human Services | MD | $1,992,723Small | 90.71 |
| Better BasicsEIN 63-1106040 | Education | AL | $1,385,218Small | 91.36 |
| Better Government AssociationEIN 36-0802950 | Human and Civil Rights | IL | $3,079,240Small | 96.89 |
| Better World FundEIN 58-2366765 | International | DC | $5,346,277Mid-sized | 78.51 |
| Beverly BootstrapEIN 04-3254507 | Human Services | MA | $2,781,956Small | 88.49 |
| Beyond BordersEIN 23-2713126 | International | DC | $1,960,030Small | 92.90 |
| Beyond CeliacEIN 90-0108854 | Health | PA | $1,403,993Small | 92.38 |
| Beyond HousingEIN 51-0179471 | Community Development | MO | $10,959,490Mid-sized | 92.20 |
| Beyond PesticidesEIN 52-1360541 | Environment | DC | $1,025,719Small | 90.35 |
| Bible Broadcasting NetworkEIN 54-0888863 | Religion | NC | $11,664,277Mid-sized | 70.81 |
| Bible Education & Missionary ServiceEIN 56-2460700 | Religion | MS | $1,350,367Small | 60.41 |
| Bible in the SchoolsEIN 62-0523361 | Education | TN | $1,388,845Small | 87.10 |
| Bibles for AmericaEIN 33-0912609 | Religion | CA | $2,338,245Small | 46.87 |
| Bibles For The WorldEIN 36-2434228 | Religion | CO | $2,718,446Small | 94.86 |
| BideaweeEIN 13-1655210 | Animals | NY | $10,621,175Mid-sized | 83.88 |
| Big Brothers Big Sisters A Community of CaringEIN 38-1720832 | Human Services | MI | $1,294,439Small | 86.88 |
| Big Brothers Big Sisters Columbia NorthwestEIN 93-1303640 | Human Services | OR | $1,080,910Small | 67.12 |
| Big Brothers Big Sisters Independence RegionEIN 23-1352034 | Human Services | PA | $6,865,078Mid-sized | 90.26 |
| Big Brothers Big Sisters Lone StarEIN 75-0800632 | Human Services | TX | $10,736,073Mid-sized | 76.67 |
| Big Brothers Big Sisters of AmericaEIN 23-1365190 | Human Services | FL | $22,384,996Large | 89.33 |
| Big Brothers Big Sisters of Broward CountyEIN 59-1507595 | Human Services | FL | $1,244,992Small | 88.76 |
| Big Brothers Big Sisters of Central ArizonaEIN 86-0205254 | Human Services | AZ | $2,198,310Small | 86.11 |
| Big Brothers Big Sisters of Central CarolinasEIN 56-2264009 | Human Services | NC | $2,122,393Small | 86.69 |
| Big Brothers Big Sisters of Central IndianaEIN 35-1323831 | Human Services | IN | $2,235,849Small | 87.96 |
| Big Brothers Big Sisters of ColoradoEIN 23-7161796 | Human Services | CO | $3,046,953Small | 80.18 |
| Big Brothers Big Sisters of Eastern MissouriEIN 43-0669085 | Human Services | MO | $4,922,339Mid-sized | 89.66 |
| Big Brothers Big Sisters of Essex, Hudson & Union CountiesEIN 22-3676931 | Human Services | NJ | $1,622,935Small | 78.02 |
| Big Brothers Big Sisters of Greater Kansas CityEIN 43-6068464 | Human Services | MO | $3,900,296Mid-sized | 82.72 |
| Big Brothers Big Sisters of Greater Los AngelesEIN 95-1904857 | Human Services | CA | $3,769,785Mid-sized | 86.66 |
| Big Brothers Big Sisters of Greater PittsburghEIN 25-6074707 | Human Services | PA | $1,920,113Small | 90.20 |
| Big Brothers Big Sisters of KentuckianaEIN 61-6057856 | Human Services | KY | $2,098,963Small | 93.57 |
| Big Brothers Big Sisters of Massachusetts BayEIN 04-2074462 | Human Services | MA | $6,894,306Mid-sized | 91.06 |
| Big Brothers Big Sisters of Metro AtlantaEIN 58-0861895 | Human Services | GA | $4,054,562Mid-sized | 88.87 |
| Big Brothers Big Sisters of Metro MilwaukeeEIN 39-1239687 | Human Services | WI | $2,082,340Small | 84.35 |
| Big Brothers Big Sisters of Metropolitan ChicagoEIN 36-2681212 | Human Services | IL | $4,638,926Mid-sized | 90.64 |
| Big Brothers Big Sisters of Metropolitan DetroitEIN 38-6112533 | Human Services | MI | $1,230,114Small | 68.08 |
| Big Brothers Big Sisters of MiamiEIN 59-6166904 | Human Services | FL | $4,912,755Mid-sized | 91.93 |
| Big Brothers Big Sisters of Middle TennesseeEIN 23-7056024 | Human Services | TN | $2,799,769Small | 87.61 |
| Big Brothers Big Sisters of New York CityEIN 13-5600383 | Human Services | NY | $10,979,467Mid-sized | 88.90 |
| Big Brothers Big Sisters of Northeast FloridaEIN 59-0683256 | Human Services | FL | $1,642,685Small | 76.64 |
| Big Brothers Big Sisters of Northeast IndianaEIN 35-1271943 | Human Services | IN | $2,267,416Small | 87.87 |
| Big Brothers Big Sisters of OklahomaEIN 73-1226237 | Human Services | OK | $2,479,328Small | 75.60 |
| Big Brothers Big Sisters of Orange CountyEIN 95-1992702 | Human Services | CA | $5,321,640Mid-sized | 91.77 |
| Big Brothers Big Sisters of Palm Beach and Martin CountiesEIN 59-2676889 | Human Services | FL | $847,627Small | 83.33 |
| Big Brothers Big Sisters of Puget SoundEIN 91-0673185 | Human Services | WA | $2,282,947Small | 91.64 |
| Big Brothers Big Sisters of San Diego CountyEIN 95-2151526 | Human Services | CA | $2,822,000Small | 90.97 |
| Big Brothers Big Sisters of South TexasEIN 74-1897630 | Human Services | TX | $2,993,424Small | 87.96 |
| Big Brothers Big Sisters of St. Lucie, Indian River & Okeechobee CountiesEIN 59-2455513 | Human Services | FL | $1,378,398Small | 81.82 |