| Blue Mountain Machine Inc PA | Manufacturing | 0 | — | A |
| Blue Mountain Mechanical, Inc. WA | Construction | 0 | — | A |
| Blue Mountain Millwork & Cabinetry ID | Manufacturing | 0 | — | A |
| Blue Mt Golf Management LLC PA | Arts & Entertainment | 0 | — | A |
| Blue Nile, Inc. WA | Retail Trade | 1 | $62,670 | — |
| Blue Northern Constructor's UT | Mining & Extraction | 0 | — | A |
| Blue Oak Projects, LLC TN | Construction | 0 | — | A |
| BLUE OCEAN INC. OR | Transportation & Warehousing | 2 | $83,540 | A |
| Blue Ocean New Energy DC | Utilities | 0 | — | A |
| Blue Ocean Realty LLC MA | Real Estate | 2 | $90,907 | — |
| Blue Origin CO | Manufacturing | 0 | — | A |
| Blue Origin FL | Manufacturing | 0 | — | B |
| Blue Origin WA | Manufacturing | 0 | — | A |
| Blue Origin Florida LLC FL | Manufacturing | 0 | — | C |
| Blue Origin Texas, LLC TX | Manufacturing | 0 | — | D |
| Blue Origin, LLC AL | Manufacturing | 0 | — | C |
| BLUE ORION CORPORATION NJ | Professional & Technical Services | 2 | $102,482 | — |
| Blue Oval SK Group/Battery Plant KY | — | 0 | — | — |
| BLUE OWL CAPITAL HOLDINGS LLC NY | Finance & Insurance | 3 | $115,244 | — |
| Blue Ox Delivery LLC MN | Transportation & Warehousing | 0 | — | D |
| Blue Pacific Flavors CA | Manufacturing | 0 | — | A |
| Blue Panda Science LLC NM | Professional & Technical Services | 1 | $143,395 | — |
| Blue Patriot Fab NE | Manufacturing | 0 | — | F |
| Blue Pharms LLC MD | Retail Trade | 0 | — | A |
| Blue Planet Systems Corporation CA | Manufacturing | 1 | $82,000 | — |
| Blue Plate Catering LTD IL | Accommodation & Food Services | 0 | — | F |
| Blue Plate Oysterette LLC CA | — | 0 | — | — |
| Blue Plate Restaurant company MN | Accommodation & Food Services | 0 | — | B |
| Blue Prairie Brands NE | — | 0 | — | — |
| Blue Q MA | Wholesale Trade | 0 | — | F |
| Blue Raven UT | — | 0 | — | — |
| Blue Reef Fish Company, LLC FL | Manufacturing | 0 | — | A |
| Blue Ribbon Contracting Inc MI | Construction | 0 | — | A |
| Blue Ribbon Linen Supply, Inc. ID | Other Services | 0 | — | F |
| Blue Ribbon Outdoor AR | Administrative & Waste Services | 0 | — | F |
| Blue Ribbon Restaurants NV | — | 0 | — | — |
| Blue Ridge Aquaculture VA | Agriculture & Forestry | 0 | — | D |
| Blue Ridge Assisted Living and Memory Care GA | Healthcare & Social Assistance | 0 | — | F |
| Blue Ridge Behavioral Healthcare VA | Healthcare & Social Assistance | 0 | — | A |
| Blue Ridge Capital, L.L.C. ( White Plains) NY | — | 0 | — | — |
| Blue Ridge Capital, L.L.C. (Madison) NY | — | 0 | — | — |
| Blue Ridge Delivery LLC NC | Transportation & Warehousing | 0 | — | C |
| Blue Ridge Dental MN | Healthcare & Social Assistance | 0 | — | A |
| Blue Ridge Designs LLC VA | Manufacturing | 0 | — | A |
| Blue Ridge Electric Coop SC | Utilities | 0 | — | C |
| Blue Ridge Electric Membership Corporation NC | Utilities | 0 | — | C |
| Blue Ridge Electric Membership Corporation. NC | Utilities | 0 | — | F |
| Blue Ridge Energy NC | Utilities | 0 | — | C |
| Blue Ridge Equine Clinic Earlysville VA | Professional & Technical Services | 0 | — | A |
| Blue Ridge Graphics Inc VA | Manufacturing | 0 | — | A |