| Boss Display OH | Manufacturing | 1 | $72,904 | - |
| Boss Nova Robotics PA | - | 0 | - | - |
| Boss Steel Inc. MA | Construction | 0 | - | F |
| Boss Technologies Inc. GA | Professional & Technical Services | 4 | $115,175 | - |
| Bossa Nova Robotic CA | - | 0 | - | - |
| Bossa Nova Robotics CA | - | 0 | - | - |
| Bosselman Travel Center KS | - | 0 | - | - |
| Bosselman Travel Center SD | - | 0 | - | - |
| Bosselman Travel Centers, Inc. IA | - | 0 | - | - |
| Bosselman Travel Centers, Inc. KS | - | 0 | - | - |
| Bossier Parish Community College LA | Educational Services | 1 | $40,000 | - |
| Bost Inc AR | Healthcare & Social Assistance | 0 | - | C |
| Bostic Steel Inc FL | Manufacturing | 0 | - | F |
| Boston Analytical, Inc. NH | Professional & Technical Services | 3 | $101,317 | - |
| Boston Area Rape Crisis Center, Inc. MA | Healthcare & Social Assistance | 1 | $87,500 | - |
| Boston Battery Wholesale LLc Warehouse MA | Manufacturing | 0 | - | F |
| Boston Beer Company PA | Manufacturing | 0 | - | C |
| Boston Capital Corporation MA | - | 0 | - | - |
| Boston Carting Services LLC MA | Administrative & Waste Services | 0 | - | F |
| Boston Center for Recovery, LLC dba Psyclarity Health MA MA | - | 0 | - | - |
| Boston Children's Heart Foundation MA | Healthcare & Social Assistance | 1 | $221,390 | - |
| Boston Children's Hospital MA | Healthcare & Social Assistance | 0 | - | D |
| Boston Children's Network Specialty Physicians, Inc MA | Healthcare & Social Assistance | 1 | $235,070 | - |
| Boston Chinatown Neighborhood Center MA | Healthcare & Social Assistance | 1 | $74,755 | - |
| Boston College MA | Educational Services | 12 | $143,151 | - |
| Boston Consulting Group, Inc. MA | Professional & Technical Services | 221 | $191,233 | - |
| Boston Data Pro, LLC MA | Professional & Technical Services | 7 | $105,194 | - |
| Boston Dental PC MA | Healthcare & Social Assistance | 3 | $190,486 | - |
| Boston Dynamics AI Institute, LLC MA | Professional & Technical Services | 4 | $227,142 | - |
| Boston Dynamics, Inc. MA | Professional & Technical Services | 2 | $133,561 | C |
| Boston Electrometallurgical Corporation MA | Manufacturing | 1 | $94,000 | - |
| Boston Electrometallurgical Corporation (dba Boston Metal) MA | - | 0 | - | - |
| Boston Energy Trading and Marketing LLC MA | Finance & Insurance | 4 | $161,464 | - |
| Boston Gas Company MA | Utilities | 0 | - | F |
| Boston Globe Media Partners, LLC MA | Information & Media | 2 | $75,606 | - |
| Boston Hard Rock Cafe MA | - | 0 | - | - |
| Boston Higashi School, Inc. MA | Educational Services | 17 | $52,297 | - |
| Boston Identity LLC MA | Professional & Technical Services | 1 | $111,240 | - |
| Boston Industrial Consulting, Inc. MA | Professional & Technical Services | 1 | $158,000 | - |
| Boston International Media Consulting, Inc. MA | Professional & Technical Services | 1 | $67,413 | - |
| Boston IVF, LLC MA | Healthcare & Social Assistance | 2 | $227,656 | - |
| Boston Market NE | - | 0 | - | - |
| Boston Medical Center BOSTON MEDICAL CENTER MA | Healthcare & Social Assistance | 0 | - | F |
| Boston Medical Center Corporation MA | Healthcare & Social Assistance | 25 | $113,905 | F |
| Boston Medical Center Health Plan, Inc. MA | Healthcare & Social Assistance | 1 | $156,713 | - |
| Boston Medical Group New Jersey Professional Association NJ | - | 0 | - | - |
| Boston Musical Instruments, LLC MA | Retail Trade | 1 | $60,570 | - |
| Boston Neurobehavioral Associates LLC MA | Healthcare & Social Assistance | 1 | $90,376 | - |
| Boston Pharma LLC NY | Retail Trade | 2 | $150,000 | - |
| Boston Public Schools MA | Educational Services | 1 | $85,417 | - |