SD
Benner, Jr. Family Foundation, Earl B
Best Buy Foundation
Better Way Foundation (fka Sieben Foundation)
Better World Fund (fka Beter World Society)
Beverly Foundation
Bezos Day One Fund
Bieber Family Foundation
Birch Foundation, Stephen and Mary
Black Hills Corporation Foundation
Black Lives Matter Global Network Foundation
Black Seed (The Billie Holiday Theater)
Blessings International
Block Family Foundation, Allen and Gloria
Bloomberg Philanthropies (formerly The Bloomberg Family Foundation)
Bluescope Foundation, North America (fka Butler Manufacturing Company Foundation)
BMI Foundation, Inc.
BNSF Railway Foundation