| Blanco Concrete, LLC AZ | Construction | 0 | — | F |
| Blanco Futures, LLC TX | Transportation & Warehousing | 0 | — | B |
| BLANCO PLAINS LLC dba BLOCKHEAD BURRITOS NY | — | 0 | — | — |
| Bland Landscaping Co Inc NC | Administrative & Waste Services | 0 | — | F |
| Blanda Marketing MS | — | 0 | — | — |
| Blank Industries MA | Manufacturing | 0 | — | F |
| Blank Park Zoo Foundation, Inc. IA | Arts & Entertainment | 0 | — | C |
| Blank Rome LLP PA | Professional & Technical Services | 2 | $260,000 | — |
| Blankenberger Brothers, Inc. IN | Construction | 0 | — | D |
| Blankenship Construction Co IL | Construction | 0 | — | A |
| Blanking Systems Inc. WI | Manufacturing | 0 | — | A |
| Blanks Brothers Logistics GA | Transportation & Warehousing | 0 | — | F |
| Blanks Printing & Digital Solutions TX | Manufacturing | 0 | — | A |
| Blanks Printing & Imaging, Inc. TX | Manufacturing | 0 | — | A |
| Blankstein Enterprises, Inc WI | Real Estate | 0 | — | A |
| Blanski Energy Management, Inc PA | Construction | 0 | — | D |
| Blanton Construction MO | Construction | 0 | — | A |
| Blanton Supplies Inc. SC | Retail Trade | 0 | — | A |
| Blanton Supplies of Little River SC | Retail Trade | 0 | — | B |
| Blanton Supplies of Marion SC | Retail Trade | 0 | — | A |
| BLAS Operating Company, LLC dba Bernardus Lodge & Spa CA | — | 0 | — | — |
| Blasch Precision Ceramics NY | Manufacturing | 0 | — | D |
| Blasch Precision Ceramics SC | Manufacturing | 0 | — | A |
| Blasen & Blasen Lumber Corp. OR | Manufacturing | 0 | — | F |
| Blaser Swisslube AG NY | Manufacturing | 0 | — | A |
| Blasre Capital Inc OK | Construction | 0 | — | A |
| Blass Residential Services LLC OH | Construction | 0 | — | F |
| Blast All Inc. CT | Construction | 0 | — | A |
| Blast Analytics and Marketing, Inc. CA | Professional & Technical Services | 1 | $105,000 | — |
| Blast Cleaning Technologies WI | Manufacturing | 0 | — | F |
| Blast Studio LLC CA | Information & Media | 1 | $139,360 | — |
| Blast-One International OH | Wholesale Trade | 0 | — | A |
| Blastco Incorporated TX | Manufacturing | 0 | — | A |
| Blastco Texas Inc TX | Manufacturing | 0 | — | A |
| Blastcrete Equipment Company LLC AL | Manufacturing | 0 | — | F |
| Blastec, Inc. GA | Manufacturing | 0 | — | F |
| Blastech Enterprises, Inc. MD | Construction | 0 | — | F |
| Blastech Mobile LLC AL | Manufacturing | 0 | — | A |
| Blastek LLC MI | Construction | 0 | — | A |
| Blaster Bouncer Denver, Inc. CO | Real Estate | 0 | — | F |
| Blasting Technology Inc. HI | Construction | 0 | — | A |
| Blastmaster Holdings USA LLC OH | Wholesale Trade | 1 | $116,272 | — |
| BLASTPRO MANUFACTURING, INC. OK | Manufacturing | 0 | — | A |
| Blatchford OH | Manufacturing | 0 | — | A |
| Blatek, Inc. PA | Manufacturing | 0 | — | C |
| Blattner Company MN | Construction | 0 | — | B |
| Blattner Steel Co MO | Manufacturing | 0 | — | A |
| Blauch Brothers, Inc. VA | Construction | 0 | — | F |
| BLAUW LLC CA | Manufacturing | 1 | $128,398 | — |
| Blaylock Inc. OR | Agriculture & Forestry | 0 | — | A |
