| BK Corrosion, LLC TX | Manufacturing | 0 | — | A |
| Bk Designs and Blanks, LLC KY | Manufacturing | 0 | — | A |
| BK Electric LLC VA | Construction | 0 | — | A |
| BK FIELD OPERATIONS, LLC TX | Administrative & Waste Services | 0 | — | F |
| BK Fire Suppression & Security Systems NY | Construction | 0 | — | F |
| BK Laser LLC WI | Manufacturing | 0 | — | A |
| BK Manufacturing Co. Inc. AL | Manufacturing | 0 | — | A |
| BK Medical PA | Manufacturing | 0 | — | B |
| BK Medical Holding Company Inc. MA | Manufacturing | 0 | — | A |
| BK Medical Holding Company Inc. PA | Manufacturing | 0 | — | D |
| BK Resources IL | Transportation & Warehousing | 0 | — | A |
| BK Sports Nashville LLC TN | Arts & Entertainment | 0 | — | A |
| BK TILE & STONE, INC. NY | Construction | 0 | — | A |
| BK Welding, Inc. CO | Construction | 0 | — | F |
| BKB TX | Construction | 0 | — | F |
| BKB Paragon NW LLC TX | Construction | 0 | — | F |
| BKBG Enterprises, DBA. Devanco Foods IL | Manufacturing | 0 | — | F |
| BKC CPAs PC NJ | Professional & Technical Services | 1 | $87,500 | — |
| BKC, CPAs, PC NJ | Professional & Technical Services | 1 | $87,500 | — |
| BKD North Glendale AZ | Healthcare & Social Assistance | 0 | — | A |
| BKFS I Services, LLC FL | Management of Companies | 7 | $115,003 | — |
| BKG Company, Inc. PA | Construction | 0 | — | A |
| BKGP SC | Construction | 0 | — | A |
| BKI SC | — | 0 | — | — |
| BklynHlth Inc. NY | Professional & Technical Services | 2 | $147,867 | — |
| BKO Services Inc. TX | Information & Media | 1 | $100,000 | — |
| BL 62 West 9th Street dba CASA APICII NY | — | 0 | — | — |
| BL Distribution West, LLC NV | Wholesale Trade | 1 | $54,643 | — |
| BL E Owner LLC TX | Accommodation & Food Services | 0 | — | A |
| BL Fabricators, Inc AL | Manufacturing | 0 | — | A |
| BL Iron Inc WA | Manufacturing | 0 | — | A |
| BL Manager, LLC NJ | Management of Companies | 0 | — | A |
| BL Manager, LLC DBA Brandywine Living NJ | Healthcare & Social Assistance | 0 | — | A |
| BL MCSHIPPING CORP NY | Transportation & Warehousing | 0 | — | A |
| BL Technology TX | Manufacturing | 0 | — | A |
| BL W Owner LLC TX | Accommodation & Food Services | 0 | — | F |
| BLAC Inc IL | Manufacturing | 0 | — | B |
| BLAC Investments Inc FL | Manufacturing | 0 | — | F |
| Blach Distributing, Co. CA | Wholesale Trade | 0 | — | F |
| Blachford Enterprises Inc. WI | Manufacturing | 0 | — | F |
| Blachford Inc. IL | Manufacturing | 0 | — | F |
| Blachford RP Corp NC | Manufacturing | 0 | — | A |
| Blachly-Lane Electric Cooperative OR | Utilities | 0 | — | F |
| Blachowske Truck Line Inc SD | Transportation & Warehousing | 0 | — | F |
| Black & McDonald KY | Construction | 0 | — | A |
| Black & McDonald - St. Louis MO | Construction | 0 | — | A |
| Black & McDonald Engineering Services, LLC AR | Professional & Technical Services | 0 | — | A |
| Black & McDonald, Inc. MO | Management of Companies | 0 | — | A |
| Black & Veatch AZ | Professional & Technical Services | 0 | — | A |
| Black & Veatch CA | Professional & Technical Services | 0 | — | A |