| Bosque County Hospital District TX | Healthcare & Social Assistance | 0 | — | F |
| Bosque Disposal Systems LLC TX | Mining & Extraction | 0 | — | F |
| Boss Communication Technologies Inc. HI | Construction | 0 | — | A |
| BOSS Construction, Inc. WA | Construction | 0 | — | A |
| Boss Display OH | Manufacturing | 1 | $72,904 | — |
| Boss Excavating & Grading Inc. OH | Construction | 0 | — | D |
| Boss Holdings, Inc IL | Wholesale Trade | 0 | — | C |
| Boss Holdings, Inc OH | Manufacturing | 0 | — | A |
| Boss Holdings, Inc. NV | Wholesale Trade | 0 | — | F |
| Boss Industrial Group TX | Construction | 0 | — | A |
| Boss Laser FL | Wholesale Trade | 0 | — | C |
| Boss Manufacturing Holdings, Inc IL | Wholesale Trade | 0 | — | A |
| Boss Nova Robotics PA | — | 0 | — | — |
| Boss PetEdge MA | Administrative & Waste Services | 0 | — | A |
| BOSS ProStaffing Inc CT | Administrative & Waste Services | 0 | — | D |
| BOSS ProStaffing Inc MA | Administrative & Waste Services | 0 | — | A |
| BOSS ROOFING-SIDING EXPERTS, INC. IL | Construction | 0 | — | F |
| 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 | — | — |
| Bossard North America, Inc. IA | Wholesale Trade | 0 | — | A |
| Bossard, Inc. IA | Wholesale Trade | 0 | — | A |
| Bosse Construction KY | Construction | 0 | — | F |
| Bosselman Energy Inc NE | Transportation & Warehousing | 0 | — | A |
| 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 |
| Bostik Inc. OH | Manufacturing | 0 | — | A |
| Bostik Inc. SC | Manufacturing | 0 | — | A |
| Bostik, Inc. CA | Manufacturing | 0 | — | A |
| Bostik, Inc. GA | Manufacturing | 0 | — | B |
| Bostik, Inc. KY | Manufacturing | 0 | — | A |
| Bostik, Inc. MA | Manufacturing | 0 | — | F |
| Bostik, Inc. NJ | Manufacturing | 0 | — | C |
| Bostik, Inc. TX | Manufacturing | 0 | — | D |
| Bostik, Inc. WI | Manufacturing | 0 | — | A |
| Boston Air Systems Inc MA | Manufacturing | 0 | — | A |
| 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 Co OH | Manufacturing | 0 | — | A |
| Boston Beer Company PA | Manufacturing | 0 | — | C |
| Boston Brick & Stone CA | Construction | 0 | — | A |
| Boston Capital Corporation MA | — | 0 | — | — |
| BOSTON CARTING SERVICES LLC MA | Administrative & Waste Services | 0 | — | F |