| Building Products Inc. of IA IA | Wholesale Trade | 0 | — | C |
| Building Products Inc. of ND ND | Wholesale Trade | 0 | — | A |
| Building Products Inc. of SD SD | Wholesale Trade | 0 | — | F |
| Building Products Plus Co LLC TX | Manufacturing | 0 | — | C |
| Building Restoration MI | Construction | 0 | — | A |
| Building Restoration Corporation MN | Construction | 0 | — | F |
| Building Restoration Corporation WI | Construction | 0 | — | A |
| Building Restoration Specialties CO | Construction | 0 | — | F |
| Building Robotics, Inc. CA | Professional & Technical Services | 1 | $141,136 | — |
| Building Service 32BJ Benefit Funds NY | Finance & Insurance | 0 | — | A |
| Building Service 32BJ Health Fund NY | Finance & Insurance | 1 | $170,156 | — |
| Building Service Inc WI | Construction | 0 | — | D |
| BUILDING SOLUTIONS LLC OR | Retail Trade | 0 | — | C |
| Building Specialists Inc. VA | Construction | 0 | — | F |
| Building Specialties, Inc. TX | Construction | 0 | — | A |
| Building Systems & Services, Inc DE | Construction | 0 | — | A |
| Building Systems Transportation OH | Transportation & Warehousing | 0 | — | C |
| Building Systems, Inc. PA | Construction | 0 | — | F |
| Building Technicians Corporation OH | Construction | 0 | — | A |
| Building Zone Industries UT | Construction | 0 | — | A |
| Buildings By Design, LLC CO | Construction | 0 | — | A |
| BUILDINGS, SAFETY ENGINEERING AND ENVIRONMENTAL DEPARTMENT MI | Public Administration | 0 | — | C |
| Buildingstars Management Inc. AZ | Administrative & Waste Services | 0 | — | A |
| Buildingstars Management Inc. FL | Administrative & Waste Services | 0 | — | A |
| Buildingstars Management Inc. GA | Administrative & Waste Services | 0 | — | A |
| Buildingstars Management Inc. IL | Administrative & Waste Services | 0 | — | A |
| Buildingstars Management Inc. KS | Administrative & Waste Services | 0 | — | A |
| Buildingstars Management Inc. MO | Administrative & Waste Services | 0 | — | A |
| Buildingstars Management Inc. NC | Administrative & Waste Services | 0 | — | A |
| Buildingstars Management Inc. NJ | Administrative & Waste Services | 0 | — | A |
| Buildingstars Management Inc. PA | Administrative & Waste Services | 0 | — | A |
| Buildingstars Management Inc. TN | Administrative & Waste Services | 0 | — | A |
| Buildingstars Management Inc. TX | Administrative & Waste Services | 0 | — | A |
| Buildlink, Inc LA | Professional & Technical Services | 1 | $68,390 | — |
| BuildOps Inc. CA | Professional & Technical Services | 1 | $190,000 | — |
| BuildPass Inc. TX | Information & Media | 2 | $155,000 | — |
| Buildrite Construction Corp. GA | Construction | 0 | — | A |
| Built Brands, LLC UT | Manufacturing | 0 | — | D |
| BUILT BY DSIGN CONSTRUCTION CA | Construction | 0 | — | A |
| Built Form Design & Construction CA | Professional & Technical Services | 1 | $76,190 | — |
| Built Right Pool Heaters LLC FL | Manufacturing | 0 | — | F |
| BUILT-RITE BOX & CRATE INC OH | Manufacturing | 0 | — | D |
| Builtech Services, LLC. IL | Construction | 0 | — | A |
| Builtrite Interior Construction Ltd OH | Construction | 0 | — | F |
| Builtrite Manufacturing MN | Manufacturing | 0 | — | A |
| Builtwell Bank TN | Finance & Insurance | 2 | $125,000 | — |
| Bukacek Construction Group, Inc. WI | Construction | 0 | — | F |
| Bukowski Brothers Plumbing, Inc. TX | Construction | 0 | — | F |
| Bul-Hed Corporation FL | Construction | 0 | — | A |
| Bul-hed Environmental Corporation FL | Construction | 0 | — | A |