- Benefit Home Healthcare
- Benekiva
- Berkeley Medical Center
- BerryDunn
- Bessemer Ventures
- Best Buy
- Best Buy Health
- Beth Israel Deaconess Medical Center
- Beth Israel Deaconess Medical Center’s Center for Health Care Delivery Science
- Bethany Hospice & Palliative Care
- Better Business Bureau
- Better Medicare Alliance
- Betterleave
- BetterRX
- Big Bend Hospice
- Big Bend Regional Medical Center
- BigID
- BioNTech SE
- BioScrip
- BIP Capital